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Vehicle Emission Control Information (VECI) Decal; Contains Vacuum Diagram & Calibration Parts List for 88 & UP. On-Line for Free at Ford. Click "Quick Guides" in left panel; Scroll to & CLICK VECI Labels "Provides Vehicle Emission Control Information (VECI) and a related calibration parts list." Enter applicable info (need to know your Calibration number from your B-pillar sticker). Vacuum Diagram is the same as the one on the core support or hood or air filter cover. Suggest Right Clicking this Hot Link & Open in New Window
Source: by Ford motorcraftservice.com
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"...Ford EGR systems "...DO NOT engage when: engine is cold; engine is at idle; engine is at WOT; At low ambient temps (water vapor from the exhaust can freeze on the throttle plate); The EVR is a "normally closed" solenoid, which means that when it is de-energized, the position of the disc allows for maximum venting to the atmosphere..."
Source: by rockledge.home.comcast.net
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"...Ford EGR systems "...PCM will not operate the EGR valve unless it sees: The engine warmed up to normal operating temperature. TPS at partial throttle. TPS not at Wide Open Throttle (WOT). MAP/MAF must be indicating light or moderate load. A certain amount of computer clock time has to be elapsed..."
Source: by tomco-inc.com
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"...Ford has NEVER used a coffee can style vacuum reservoir for the A C on 80-96 FS trucks. It's either a plastic ball, or an irregular box glued to the evaporator cover...''
Source: by Steve83 (Steve, That dirty old truck) at FSB
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"...The vacuum gauge should show 18-22 in-Hg @ idle, and maintain a steady needle. Rev it up to ~2500 rpm, hold it steady, and you should see the needle drop, then slowly increase to a level close to the idle reading (though slightly lower is normal)..."
Source: by SigEpBlue (Steve) at FSB
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"...The vacuum hoses used in the passenger compartment control circuit are constructed from PVC plastic material. The vacuum hoses used in the engine compartment are constructed of Hytrel. Because of the materials used, the vacuum hoses should never be pinched off during diagnosis to locate a leak. Use Rotunda Vacuum Tester 014-R1054 or equivalent to locate vacuum leaks. A wood golf tee can be used as a plug when it is necessary to plug one end of a vacuum hose for leak test purposes..." from F-150, F-250, F-350, F-Super Duty and Bronco, F-Super Duty Motorhome Chassis Workshop Manual
Source: by Ford via thedieselstop.com
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"...Use "Hard (Heavy Duty)" vacuum line for booster. Regular rubber hose such as used for WS washer fluid line will likely collapse after about say, 20 years. Inspect for any sign of kinking or collapse. Check vacuum draw available with a gauge connected between engine and booster. At idle, healthy engines draw somewhere between 17 and 22 in Hg. Check vacuum by depressing brake pedal firmly until it stops. The gauge should read a drop to approximately 10 in. Hg and then quickly recover to a normal reading. If vacuum takes too long to recover, there is a restriction in the volume, i.e.: fitting clogged or vacuum hose collapsed. Repair as necessary. While a defective booster will cause a hard pedal, a spongy or low pedal requires a hydraulic system check..."
Source: by miesk5 at Ford Bronco Zone Forums
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Acronyms, Carbureted
Source: by miesk5 at FSB
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Air Conditioning & Heater Vacuum Diagram in a 94
Source: by Richard B at Supermotors.net
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Climate Control Vacuum Check Valve pic
Source: by geoffj981 at explorerforum.com
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Climate Control Vacuum Check Valve pic
Source: by geoffj981 at explorerforum.com
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Climate Control Vacuum Circuit, Floor Panel Door, Temperature Blend Door (Cable Controlled), Floor & Defrost Door etc. Diagrams in a 96 from Workshop Manual
Source: by Ford via thedieselstop.com
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Climate Control Vacuum Line Harness Pic in 80-96; "...80-96 similar, except 87-early 88 w/factory air; The 80-86 vacuum tank is a plastic ball on the R wheelwell..."
Source: by Steve83 (Steve, That dirty old truck) at SuperMotors.net
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Diagram in a 85-86 5.8 Carbureted
Source: by Chilton
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Driveability TSB 89-12-09 for 84-89 351HO Econoline & F Series; "...A rich running engine at high altitude may be caused by incorrect vacuum hose and electrical connections. The overly rich condition can cause stalling, hard starting, or poor fuel economy. Listed below are some incorrect vacuum and electrical connections that have been found in the field. Technicians should check for these conditions before trying further diagnosis. Spark port or EGR port vacuum supplied to 5" and 10" Hg. vacuum switch instead of manifold vacuum. Manifold vacuum signal applied to off-idle vacuum switch instead of EGR port vacuum signal. Wrong vacuum hose routing for the altitude compensator system (check vacuum schematic). Wrong electrical connections - like connecting a wire to a 7V source when it should be connected to a 12V power source. Vacuum filter is restricted or plugged by a cap or other object..."
Source: by Ford via Steve83 (Steve, That dirty old truck) at SuperMotors.net
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DTC 332 in a 95; "...CHECK YOUR VACUUM CANISTER; I had this issue for well over a year. I did all my proper checks using the blueprint that Meisk5 gave me. I went through the EVP, manually checked the EGR, all vacuum hose that was pertinent, ETC. removed my vacuum canister to install my new one and this is what I found underneath. I replaced it with this canister (rust bullet applied) from my donor truck and finished it with BlackShell..."
Source: by td 152 at FSB
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DTC P0171, P0172, P0174 & P0175 & Possible Causes; Check for Vacuum Leaks
Source: by Ford via Vincent T. C.
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EEC-III Testing, Pin-Out, Wiring & Vacuum Diagrams in an 82; "...Woe was me, when I found out my 82 Ford Bronco was an EEC 3; had searched all over the engine compartment for the infamous "self test connector", only to find NONE..."
Source: by Tommy at home.comcast.net/~TommySpace/EEC3.html
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EEC-III Vacuum Diagrams, Testing, Pin-Out, Wiring & in an 82 for EFI & Feedback Carburetor; "...Woe was me, when I found out my 82 Ford Bronco was an EEC 3; had searched all over the engine compartment for the infamous "self test connector", only to find NONE..."
Source: by Tommy at home.comcast.net/~TommySpace/EEC3.html
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EGR Vacuum Delay Valve pic
Source: by D24x4 via miesk5 at FSB
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EGR Vacuum Load Control Valve pics (also called the Vacuum Amplifier), Ford PN 9F424; M D4TZ 9F424 B 74 VALVE EGR VACUUM LOAD CRTL TRUCK & M D6AZ 9F424 A 77-79 VALVE EGR VACUUM LOAD CRTL MUSTANG
Source: by LarryP & miesk5 at FSB
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Electrical and Vacuum Troubleshooting Manual (EVTM) for an 86 (partial); Speed Control on pages 135-139, A/C & Heater on pages 140-145, Radio on pages 127-129
Source: by Chris B (Blue, bronco boy) at telus.net
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High Idle & Dieseling Troubleshooting Chart in a 94, from PCED Chart 7 for a 94; Preliminary Checks; Vacuum Leaks (also See PCV Info), Throttle Plate & Linkage, Speed Control Chain Binding/Sticking, Air Intake Tube/ Intake Manifold Leaks..." READ MORE
Source: by Ford via Steve83 (Steve, That dirty old truck) at SuperMotors.net
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Location pic in a 90 5.8; "...the Yellow Vacuum Line goes from the TAD Solenoid (driver's side forward solenoid) to the TAD (Diverter) Valve located at the rear of the Intake Manifold. You have to climb up onto the engine to feel the Diverter Valve or remove the Intake Manifold..The Pink Vacuum Line goes from the TAB Solenoid (driver's side rear solenoid) to the passenger side (adjacent to the Vacuum Reservoir Can) and down to the bottom of the TAB (Bypass) Valve.."
Source: by Seattle FSB (SeattleFSB) at FSB
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Normal Engine Vacuum at Idle; 15-22 in-Hg (-51 to -74 kPa ) in 96 Bronco-F-Series from 1996 All F-150, F-250, F-350, F-Super Duty and Bronco Vehicles Equipped with 4.9L, 5.0L, 5.8L or 7.5L Gasoline Engines, & 7.3L Diesel Engines Workshop Manual
Source: by Ford via thedieselstop.com
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Positive Crankcase Ventilation (PCV) Vacuum Hose Routing Diagrams in 5.0 & 5.8
Source: by Ford via rocknrod at FSB
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Tree Location in 5.8 Parts Break-Out Diagram, External
Source: by Steve83 (Steve, That dirty old truck) at SuperMotors.net
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Tree Location pic in a 89 F 150
Source: by Booba5185 at FSB
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Tree Location pic in a 94 5.8
Source: by joelb23 at SuperMotors.net
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V REST on 78/79 & early 80s is a Vacuum Restictor/Delay Valve, it delays vacuum for a certain amount of time. On most engines a vacuum line from the carburetor base runs to a T & then to V REST to the distributor; READ MORE
Source: by miesk5 at FSB
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Vacuum Canister Info - mostly for vacuum advance distributors, except; "...If your vacuum canister isn't adjustable, get one aftermarket, your mileage jump will pay for it. Better have good plug wires and gap plugs to Ford or MSD specs..."
Source: by Sixlitre (Malcolm H, Eddie Bauer) at SuperMotors.net
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Vacuum Check Valve Depiction, Symbol & Air Flow Direction
Source: by Ford via Steve83 (Steve, That dirty old truck) at SuperMotors.net
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Vacuum Diagrams & Calibration Parts List for 88 & UP in the Vehicle Emission Control Information (VECI) Decal; Contains Vacuum Diagram & Calibration Parts List for 88 & UP. On-Line for Free at Ford. Click "Quick Guides" in left panel; Scroll to & CLICK VECI Labels "Provides Vehicle Emission Control Information (VECI) and a related calibration parts list." Enter applicable info (need to know your Calibration number from your B-pillar sticker). Vacuum Diagram is the same as the one on the core support or hood or air filter cover. Suggest Right Clicking this Hot Link & Open in New Window
Source: by Ford motorcraftservice.com
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Vacuum Gauge Diagnosis
Source: by jerickweb.50webs.com
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Vacuum Gauge Diagnosis - BEST!; Normal engine; Steady gauge 18"-20" at all speeds..." READ MUCH MORE
Source: by Craig U at classictruckshop.com
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Vacuum Gauge In-Dash pic; "...I have a vacuum gauge mounted right in the dash of my truck. I use it to also help determine the load my engine is under while driving, and to estimate fuel economy..."
Source: by William T at fordf150.net
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Vacuum Hose (Line) Replacement w/Rubber Hose in an 89 F 150 5.0; "...This should cover most 87-96 V8s (302\351); for the I6s (300)s the solenoids are in the same general area, as well as the valves. You can use this article as a basis to replace yours, just keep in mind it..."
Source: by Booba5185 (Matt) at FSB
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Vacuum Hose in a 95 5.8; "... leaned on this hose and SNAP. I found SigEp's old post that this is my VMV value. VMV takes the fumes from the charcoal canister (connected to gas tank) and other sources and routes them into the TB. The VMV is located in the back of the engine bay, passenger side. The tubing was very brittle and was routed by Ford along the block and to the front of the TB, with ABSOLUTELY no extra slack . So the engine torquing, gas vapors and engine heat has worn away over on the tubing over the past 15 years. It had many small cracks along the length and at the TB elbow, so no noticeable hissing sounds. I replaced with fuel rated 3/8" and 1/4" ID tubing, spliced together with a connector. Nothing fancy or pretty..."
Source: by mnlabgeek (The other girl ) at FSB
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Vacuum Hose, Mini-Tube Damage Repair in a 92
Source: by JohnMcD348 at FSB
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Vacuum Hose, Mini-Tube Service in Climate Control System in a 96; "...Measure the length of the damaged area of the mini-tube vacuum hose. Cut a piece of standard 3mm (1/8-inch) ID vacuum hose approximately 25mm (1 inch) longer than the damaged area of the mini-tube vacuum hose. Cut the mini-tube vacuum hose on each side of the damaged area and remove damaged portion of the mini-tube vacuum hose. Dip the mini-tube hose ends in Tetra Hydro Furan (THF) or Methyl Ethyl Ketone (MEK). Either of these solvents will act as a sealer for the repair of the mini-tube vacuum hose. Insert the ends of the mini-tube vacuum hose approximately 9mm (3/8 inch) into the ends of the standard 3 mm (1/8-inch) ID replacement vacuum hose. Shake the service joint after assembly to make sure solvent is dispersed and vacuum line is not blocked internally. Test system for a vacuum leak in area serviced..." from 1996 F-150, F-250, F-350, F-Super Duty and Bronco, F-Super Duty Motorhome Chassis Workshop Manual
Source: by Ford via thedieselstop.com
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Vacuum Hose; "... Get some vacuum/vapor/emissions hose that fits the SMALLER nipple & put a little soap on the larger nipple. Use needle-nose pliers inside it to pre-stretch that end of the new hose & it'll slip on..."
Source: by Steve83 (Steve, That dirty old truck) at FSB
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Vacuum Leak Symptoms, General; "...Too fast an idle speed; A rough idle or stalling; Hesitation or misfiring when accelerating; An idle mixture that defies adjustment (carburetor)
Source: by aa1car.com
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Vacuum Leak Test, Carburetor Models; "...First, use a mechanic's stethoscope (just the hose, no steel probe) to try to localize the leak with the engine running. Check the carb base, body, hoses, or what have you. Turn the engine off, then use a small spray bottle of extra-soapy water to spray the suspected area with a moderate amount of water. Next, find a manifold vacuum port (the brake servo booster hose for example) to apply a small amount of shop air. Apply just enough air pressure to get the soap to bubble. We don't want to ruin any check valves or anything. Seal the carburetor throat(s), then watch for the bubbles. You'll find the precise location of your leak..."
Source: by niehoff.com
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Vacuum Leak Test; "...Okay, now that we have covered what a vacuum leaks do, how do you find components that leak vacuum? One way is to visually inspect all the vacuum hoses and connections. Look for disconnected, loose or cracked hoses, broken fittings, etc. Hey, you might get lucky and find the problem in a few minutes, or you might waste half the day trying to find the mysterious leak. Vacuum leaks are often the elusive needle in a haystack. And if it is not a hose leaking vacuum but something else such as a gasket, worn throttle shaft, injector O-rings, etc., you may never find it using this technique. A faster technique for finding intake manifold vacuum leaks is to get a bottle of propane and attach a length of rubber hose to the gas valve. Open the valve so you have a steady flow of gas. Then hold the hose near suspected leak points while the engine is idling. If there is a leak, propane will be siphoned in through the leak. The resulting "correction" in the engine's air/fuel ratio should cause a noticeable change in idle speed and/or smoothness (Note: on engines with computerized idle speed control, disconnect the idle speed control motor first). Aerosol carburetor cleaner can also be used the same way. CAUTION: Solvent is extremely flammable, so do not smoke or use it if there are any sparks in the vicinity (arcing plug wires, for example). Spray the solvent on suspected leak points while the engine is idling. If there is a leak, the solvent will be drawn into the engine and have the same effect as the propane. The idle speed will suddenly change and smooth out..."
Source: by aa1car.com
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Vacuum Leak Test; On an idling engine check for vacuum leaks using a mechanic's stethoscope with the probe removed, or a ~3' garden hose section. Don't spray flammables on a running engine. MIESK5 NOTE; Also check: vacuum hoses; intake manifold gasket & throttle body; PCV line; vacuum reservoirs: EGR Sys Vacuum Tank & 2ndry air (coffee can); AC, heater, defroster, vent control ckt & vacuum tank (plastic ball type), under dash & lines to heat/blend/etc. doors; power brake booster; cruise control ckt, etc.... where applicable; (combined w/ Steve83's info, thnx) BEWARE OF BELTS/PULLEYS, FAN AND HOT ENGINE
Source: by miesk5 & Steve83 at Ford Bronco Zone Forums
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Vacuum Leaks, Finding; "...Cracked or broken vacuum lines, leaking intake manifold or plenum gaskets, injector o-rings, broken emissions solenoids, open vacuum ports are just a few of the causes of vacuum leaks. Use the under-hood emissions diagram and check every single vacuum circuit with a vacuum tester such as the Mityvac tool. A faster technique for finding intake manifold vacuum leaks is to get a bottle of propane and attach a length of rubber hose to the gas valve. Start the engine, be careful not to come too close to the fan or fan belts. Open the propane tank valve so you have a steady flow of gas. Then hold the hose near suspected leak points while the engine is idling. If there is a leak, the propane will be drawn in through the leak. The propane should cause a noticeable change in idle speed and/or smoothness. Always know where the closest fire extinguisher is and how to use it!..."
Source: by Ryan M (Fireguy50) at fordfuelinjection.com
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Vacuum Line & Component Location Diagram, Ford Part Numbers, Depictions, etc. from Ford Workshop Manual in 96 Bronco, F-150, F-250, F-350, F-Super Duty Chassis Cab & Motorhome Chassis; use your Browser's SEARCH (or FIND) function to locate "Vacuum Tube", etc.
Source: by Ford via thedieselstop.com
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Vacuum Line (Hose) Sourcing for a 96 5.8; "...McMaster-Carr: Multple colors of 5/32in reinforced nylon lines. Using a lighter I reproduced/improved the corners where the line breakouts occured in the plastic loom tubing and retaped the vacuum harness back together as a bundle..."
Source: by BlueBronco5.8 at FSB
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Vacuum Line (Hose) Sourcing; "...Get the Silicone Boost/Vacuum Hose Engine Dress Up Kit and then an additional 10' of 4mm vacuum hose in the color of your choice. I used wire loom to protect the hose through the Intake Manifold, to the Diverter Valve and where it rubs on the Intake to the EVP: Silicone Intake Systems..."
Source: by Seattle FSB (SeattleFSB) at FSB
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Vacuum Line (Hose) Sourcing; "...They sell hard plastic line at most parts stores now, in the HELP! section with the rest of the vacuum fittings. Most places have it near the bottom of their display, and it's not too expensive. The b!tch is forming the stuff to the shape or routing you need. I've not had the time to test it, but I believe a little heat might allow you to bend 'er into the correct shape. I should email Motormite/Dorman about that...Rubber lines collapse in long runs under low pressure (high vacuum), which is why Ford and most other manufacturers went to plastic lines. They're cheap to make, and form easily. Plus with the polymer they're made from, you can color code the lines for easier assembly line installation..."
Source: by SigEpBlue (Steve) at FSB
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Vacuum Line (Hose) Sourcing; "...Use 3/16" vacuum line. I replaced every single one of those hard plastic ones on my 93 BKO and it even cleared a bad vacuum condition with the EGR..."
Source: by NineT3 & members at FSB
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Vacuum Line (Hose), Silicone in Red, Green, Yellow, Silver/Gray, Purple, Black, Blue in 1/8" to 1" I.D.;
NOTE, Never use silicone hose for fuel, oil, or any petroleum base products.
Source: by hiperformancestore.com
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Vacuum Line Acronyms & Color Codes
Source: by Steve83 (Steve, That dirty old truck) & Seabronc (Rosie, Fred W) at FSB
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Vacuum Line Acronyms & Color Codes; EMISSION: Red = Main vacuum; Green = EGR function; Orange = Heat control Valve (exhaust & intake) (AKA heat riser but more complex); Yellow = from the TAD Solenoid (driver's side Forward Solenoid) to the TAD (Diverter) Valve located at the rear of the Intake Manifold (Distributor Advance in Carbureted Engines); White = EGR vacuum (source); Black = Mainly used for the Evaporative emissions control; Black = Thermactor ACV or Diverter valve; Blue = Throttle Kicker control; Pink = from the TAB Solenoid (driver's side rear solenoid) to the bottom of the Thermactor Air Bypass Valve (TAB or BPV/AIR Bypass (AIRB) valve); ACV (Air Control Valve) is the TAD (Thermactor Air Diverter) Valve (AIR Bypass (AIRB) and AIR Diverter (AIRD) valve combinations); MAN VAC is Manifold Vacuum; FPR is Fuel Pressure Regulator; EGR is Exhaust Gas Re-circulation Valve SOL V: Thermactor Air Diverter (TAD) Solenoid (SOL V) (AIRD) & Thermactor Air Bypass (TAB) Solenoid; ; EVR is EGR Vacuum Regulator; VRESER is the Vacuum Reservoir Can (Tank); V REST on later years is Vapor Valve (Roll-Over @ Gas tank); V REST on earlier years such as 78/79 & SEABRONC's 83 is a Vacuum Restictor/Delay Valve, it restricts vacuum for a certain amount of time, on most engines a vacuum line from the carburetor base runs to a T & then to V REST to the distributor; Carbon Can is Carbon Canister (Charcoal Canister, Vapor Canister, Evaporative Emission (EVAP) Canister); MAP is Manifold Absolute Pressure Sensor; AIR BPV is the AIR Bypass (AIRB) Valve, also called the TAB (Thermactor Air Bypass) Valve; CPRV is Canister Purge Solenoid Valve/ Canister Purge Solenoid (CANP); VCKV is Vacuum Check Valve; CAT is catalytic converter; ENG is engine; PCV is Positive Crankcase Ventilation Valve. HVAC in 92-96; Black = from engine source to vacuum check valve & to vacuum reservoir tank & to Control Panel; White = actuates the Outside/Recirc air door two-position vacuum control motor; Blue = Mix (actuates the FLOOR/PANEL air door two-position vacuum control motor); Red = Floor Flow & Yellow = Panel, (actuate the FLOOR/DEFROST three-position air vacuum control motor). READ MORE
Source: by Steve83 (Steve, That dirty old truck), Seabronc (Rosie, Fred W), Seattle FSB & miesk5 at Ford Bronco Zone Forums
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Vacuum Line Routing Diagram in a 78 400M
Source: by Indybronco (Lula Mae) at SuperMotors.net
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Vacuum Line Routing Diagram in a 78 400M
Source: by 78brncoxlt at SuperMotors.net
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Vacuum Line Routing Diagram in a 79 351M
Source: by Steve S at ProjectBronco.com
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Vacuum Line Routing Diagram in a 79 351M
Source: by Chilton
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Vacuum Line Routing Diagram in a 83 351W
Source: by Seabronc (Rosie, Fred W) at SuperMotors.net
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Vacuum Line Routing Diagram in a 83 4.9
Source: by Michael C (collinsperformance, The Money Monster) at SuperMotors.net
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Vacuum Line Routing Diagram in a 83 5.0 w/Manual Transmission
Source: by Chilton
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Vacuum Line Routing Diagram in a 83 5.8 w/Auto Transmission
Source: by Chilton
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Vacuum Line Routing Diagram in a 84 5.0 w/Manual Transmission
Source: by Chilton
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Vacuum Line Routing Diagram in a 84 5.8 w/Auto Transmission
Source: by Chilton
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Vacuum Line Routing Diagram in a 85-86 4.9 Carbureted
Source: by Chilton
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Vacuum Line Routing Diagram in a 85-86 5.0 Carbureted
Source: by Chilton
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Vacuum Line Routing Diagram in a 86 4.9
Source: by WilliamsSportsEntertainment (Ma Hunt Truck) at SuperMotors.net
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Vacuum Line Routing Diagram in a 86 5.0 EFI
Source: by Steve83 (Steve, That dirty old truck) at SuperMotors.net
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Vacuum Line Routing Diagram in a 87 5.0
Source: by Steve83 (Steve, That dirty old truck) at SuperMotors.net
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Vacuum Line Routing Diagram in a 88 460
Source: by Dustin S (Dustball, Mellow Yellow, Mr. Laser Boy) at ylobronc.users.superford.org
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Vacuum Line Routing Diagram in a 88 5.0
Source: by Jem270 at SuperMotors.net
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Vacuum Line Routing Diagram in a 90 5.8
Source: by Seattle FSB (SeattleFSB) at FSB
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Vacuum Line Routing Diagram in a 90 5.8
Source: by SeattleFSB (Seattle FSB) at SuperMotors.net
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Vacuum Line Routing Diagram in a 92 5.8
Source: by Richard C (Bigric, Money Pit) at SuperMotors.net
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Vacuum Line Routing Diagram in a 93 5.8
Source: by Steve83 (Steve, That dirty old truck) at SuperMotors.net
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Vacuum Line Routing Diagram in a 93 5.8
Source: by bronco5.8 (Sam) at Ford Bronco Zone Forums
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Vacuum Line Routing Diagram in a 94 5.0
Source: by Steve83 (Steve, That dirty old truck) at SuperMotors.net
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Vacuum Line Routing Diagram in a 96 5.0 w/Colors
Source: by Chilton
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Vacuum Line Routing Diagram in a EEC III EFI
Source: by Tommy at home.comcast.net
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Vacuum Line Routing Diagram in a EEC III Feedback Carburetor
Source: by Tommy at home.comcast.net
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Vacuum Line Routing Diagram in n 84 (5.0L V8, Calibration 4-54R-R11 & 4-54T-R11)
Source: by toddcomputer.com
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Vacuum Line Routing Diagram, Heater/AC in a 93 5.8
Source: by Bronco Rob (BroncoRob) at SuperMotors.net
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Vacuum Line Routing Diagrams in DRIVEABILITY AND EMISSIONS CONTROLS Section at Auto Repair Reference Center Repair Manual, Mostly Chilton; many local library's offer free online access for their members; just log-in w/your library Card # and password; incl. all Broncos, & many MAKES! 1951 to 2009; some years (85-96, I believe) include: FULL Technical Service Bulletins and Recalls, Labor Hours per repair (plug in appl info); Wiring Diagrams, Vacuum Diagrams (in DRIVEABILITY AND EMISSIONS CONTROLS Section), Specifications (torques, etc.) & Maintenance Intervals
Source: by arrc.epnet.com
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Vacuum Line Routing pics in a 87 5.0
Source: by appy at SuperMotors.net
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Vacuum Pump; AutoZone has a Hand Operated pump in their Loan-A-Tool® service, part number OEM27010 with a deposit; "Gauge reads 0 to 30 inches of mercury. All aluminum construction with reverse pistol grip for easy one-handed operation. One 24 inch piece of clear plastic tubing included with pump. When you're through, just bring it back, and we'll refund the deposit..."
Source: by autozone.com via miesk5
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Vacuum Reading in an 86; "...my 86 351 4bbl pulls 19-21" of vac at idle(warmed up)..."
Source: by 86fn150 at FSB
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Vacuum Reservoir (VRESER) (coffee can style) Location pic in a V8 (Steve Titled it as Emission Vac Reservoir)
Source: by Steve83 (Steve, That dirty old truck) at SuperMotors.net
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Vacuum Tank for AC (plastic ball type) & Carbon Canister (Charcoal, Vapor, Evaporative Emission (EVAP) Location & Vacuum Hose Routing Video in an 86 5.0
Source: by JKossarides ("The Bronco", Jean) at SuperMotors.net
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Vacuum Tank Replacement TSB 93-8-13 for 92-93 Bronco & F Series; "...The vacuum tank for the heater or heater/air conditioning controls is sonically welded to the side of the heater or evaporator case. If a vacuum leak occurs at the vacuum tank, a different vacuum tank can be used to make the repair without removing the old vacuum tank..." READ MORE
Source: by Ford via Steve83 (Steve, That dirty old truck) at SuperMotors.net
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Vacuum Tank Replacement TSB 93-8-13 for 92-93 Bronco & F Series; "...The vacuum tank for the heater or heater/air conditioning controls is sonically welded to the side of the heater or evaporator case. If a vacuum leak occurs at the vacuum tank, a different vacuum tank can be used to make the repair without removing the old vacuum tank..." READ MORE
Source: by Ford via Steve83 (Steve, That dirty old truck) at fourdoorbronco.com
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Vacuum Tank, HVAC System pic, Ford part number 19A566
Source: by Ford via miesk5 at FSB
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Vacuum Tree Location in Engine Bay pic in a 89 F 150
Source: by Booba5185 at FSB
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Vehicle Emission Control Information (VECI) Decal Overview; "...Manufacturers must use a system standardized by EPA in 1991 for identifying engine families to meet new regulatory requirements for 1994 and later model years. Both the engine family name and the evaporative family names are listed in the box on the emission decal in the area marked as engine/evaporative family information. The first line is the spark plug information. The second line contains the engine size, followed by a dash, and the evaporative family name (12 characters). The third line contains the engine family name (12 characters), and other vehicle specific information..." READ MORE
Source: by Steve83 (Steve, That dirty old truck) at SuperMotors.net
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