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Resources for the Repair and Maintenance of your 1991 Ford E-350

1991 Ford E-350

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1991 Ford E-350 Problems

Suspension & Steering -- Verified

The front end may make a rattle noise over bumps. There may be handling issues, and play in the front wheels on inspection. If there is up and down movement on the front wheels while the lower control arms are being supported, inspect the upper and lower ball joints for excessive play. These are prone to failure from moisture entry and lack of lubrication. The ball joints should be replaced as needed.

Heating & Air Conditioning -- Verified

Electrolysis can cause repeated failures of the heater core and radiator. The diagnosing technician should check for voltage present in the coolant, with the battery disconnected, because electrical current in the coolant causes electrolysis. Corroded or deteriorated parts should be replaced, and the coolant should be flushed. Ground straps can be added to help prevent future corrosion of components.

Drive Train -- Verified

This concern relates to vehicles equipped with the E4OD and 4R100 automatic transmissions. Fluid leaks from the rear of the transmission and excessive vibration felt in the vehicle while driving can be caused by a lack of lubrication to the rear of the transmission and rear seal failure. The extension housing (rear portion of transmission) can lose lubrication if the fluid supply hole becomes clogged. This leads to rear seal failure fr...

Drive Train -- Verified

This concern relates specifically to the E4OD and 4R100 automatic transmissions. Transmission fluid leaking from the front of the transmission bell housing may also be accompanied with shifting and transmission engagement issues. This is often caused by transmission overheating and is the sign of a significant internal transmission problem. The superficial cause is the failure of the front pump seal of the transmission. The immediat...

Exhaust & Emissions -- Verified

In some cases with higher mileages, the Check Engine Light may come on due to insufficient Exhaust Gas Recirculation system (EGR) flow. For EGR flow concerns, the EGR valve is usually recommended for replacement and the intake manifold is removed to clean the EGR passages in the engine, which have clogged with carbon over time.

1991 Ford E-350 Recalls (Recent)

Engine, December 20, 1991

Summary: THE DUAL FUEL TANK SELECTOR VALVE MAY MALFUNCTION AND CAUSE AN OVERFILL CONDITION IN ONE OF THE FUEL TANKS, RESULTING IN AN OVERFLOW OF FUEL PAST THE FILLER CAP.

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1991 Ford E-350 Questions and Answers

gobama, 1991 Ford E-350, 4.9L 6 Cylinder, Soddy Daisy, TN

have replaced fuel pumps,filter, both modules

lesleym420, 1991 Ford E-350, Denver, CO

battery is bad, but when jumped van is not starting it turns over but does not catch to rev up?

Shade-tree-Mech., 1991 Ford E-350, 7.3L V8 Diesel, Richmond, CA

THE MECHANIC says no brake fluid in the vacuum hose, but the fluid IS disappearing from the Brake Master. I'm SURE THAT it is being sucked into the engine (?) VIA the BRAKE -POWER-BOOSTER.

...

Shade-tree-Mech., 1991 Ford E-350, 7.3L V8 Diesel, Richmond, CA

My '91 ford E-350 Econoline Diesel 7.3 L
is starting hard. When engine is cold (not-
run-for-over-eight-hours) it starts up right away,
BUT ONLY RUNS FOR 3 SECONDS AND STALLS.

It can't ...

keith350, 1991 Ford E-350, 5.8L V8, Williamson, NY

When cranking the engine to start Im not getting anything from the coil to the distributor and therefore nothing to the plugs. I have replaced many parts (coil, ignition module)and am down to the b...

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1991 Ford E-350 Reviews

First E350. Have had multiple exhaust problems. Hard trying to track down no start problem. Great tranny in it though. Lot of little idiosyncracies though

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