1990 Ford E-350 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1990 Ford E-350

1990 Ford E-350 Problems

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.

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.

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 from lack of lubrication, and can cause bearing failure in the extension housing. The extension housing and gasket should be replaced and verify the fluid supply hole is clear of debris.

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1990 Ford E-350 Questions

engine was cranking, voltage shows 14 plus volts, then it faded to nothing - smell of plastic, now no crank

i have a 1990 motor home and have wiring issues to fuel system

Is there a o-ring in the fuel line connector at this device. How does this connection come loose so that it can be repaired?

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1990 Ford E-350 Recalls

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.

Ford has recalled certain 1990 E and F Series 4x2 vehicles equipped with an E4OD transmission and a one piece driveshaft due to an issue with the park mechanism in the transmission. Some vehicles may experience a failure to engage the park gear, which can cause the vehicle to roll if the parking brake is not set. Dealers will replace the snap ring and install a revised extension housing

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