1991 Ford F-150 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1991 Ford F-150

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1991 Ford F-150 Problems

Battery Light Due to Damaged Alternator Connector

The battery light may illuminate on the instrument panel because the alternator wire harness connector is damaged. A new connector kit is available and should be installed to correct this concern.

One or More Spark Plugs May be Ejectioned From the Cylinder Head

There is a technical service bulletin for the V8 engines regarding a possible problem with the spark plug being ejected from the cylinder head, damaging the threads in the spark plug hole. If the vehicle is under warranty, cylinder head replacement is recommended. If the vehicle is out of warranty, Ford authorized the use of a specific thread insert to repair the head.

Engine Oil Pan Gasket May Leak

The engine oil pan gasket can develop a leak. Leaking oil may accumulate on the exhaust system resulting in a burning smell. Replacing the gasket should correct this leak.

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1991 Ford F-150 Questions

Tried to start truck. Won't turnover just makes clicking sound.. Need starter? (2 answers)

I believe its my starter

Why are my bearings going out faster on one side of my front end? (1 answer)

I just had to replace the bearings on my passenger front about 2 months ago, and it's starting to get bad again. What can I check to make sure that they'll last longer? My drivers side front bearings are still perfect.

After replacing all ignition parts, truck still has no spark. What would be the next step? Will the crank sensor cause no spark? (1 answer)

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1991 Ford F-150 Recalls

Ford Extends Warranty Coverage for 1990-1993 F150-F350 Trucks Fuel Pump/Sender Assembly

Ford has extended the warranty coverage of the fuel pump and sending unit assembly in 1990-1993 F150, F250, and F350 trucks. In some trucks, the check valve may become damaged inside the fuel pump unit. This can cause fuel to travel from one tank to the other, creating an overflow condition. In the presence of an ignition source, a fuel leak may result in a fire. Dealers will repair the fuel pump and sending unit for up to 12 years or 150,000 miles from the original warranty start date.

Recall 01X001000
THIS IS NOT A SAFETY RECALL IN ACCORDANCE WITH THE SAFETY ACT. HOWEVER, IT IS DEEMED A SAFETY IMPROVEMENT CAMPAIGN BY THE AGENCY. EQUIPMENT DESCRIPTION: FORD IS REPLACING ALL FIRESTONE WILDERNESS AT 15, 16, AND 17 INCH TIRES MOUNTED ON FORD TRUCKS AND SUVS. FORD REPORTS TREAD SEPARATION ...
Ford Recalls Firestone Wilderness AT and Radial ATX Tires on Multiple Trucks and SUVs

Ford has recalled Firestone Wilderness AT and Radial ATX tires installed on multiple lines of Ford trucks from 1991 to 2000. On some tires, under extreme conditions, the tread could separate, which can cause immediate tire failure. This may lead to a loss of vehicle control, injury, and death. Dealers replaced the affected tires.

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1991 Ford F-150 Reviews

Love the truck I got 450k on mine but the brakes sucks
the only problem i have with mine is the transfer case
Amazing in the snow :D Looks good last forever easy to maintain

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