How to Replace a Fuel Filter on a 1989 Cadillac Fleetwood

The fuel filter on the 1989 Cadillac Fleetwood filters out dirt and other debris from the fuel before it goes into the engine. This dirt and debris can cause serious damage to your motor, so changing the fuel filter is an important task that you should do at least every year, or 15,000 miles. The filter is cheap and when you consider the cost of major repairs, it's a small price to pay to help keep your engine healthy.

Tools Used: Fuel filter gasket, Old rags, Metric wrench set

Replace a Fuel Filter

Open the engine compartment and locate the fuel filter. It will be at the front of the engine block mounted in the fuel line.

Place rags underneath the old fuel filter to absorb the gas that will leak out when you open the line.

Disconnect the fuel line using the proper size wrench and plug the opening to prevent gasoline loss.

Disconnect the other end of the fuel filter where it connects to the carburetor. This is called the fuel intake.

Remove the old fuel filter and spring from the housing.

Place the spring back into the fuel filter housing and the new fuel filter behind that.

Place the new fuel filter gasket on the intake nut and put the nut back onto the carburetor hand tight.

Tighten the nut snugly with the proper size wrench.

Reconnect the fuel line to the fuel filter housing and tighten it securely using the proper size wrench.

Remove the rags and dispose of them properly.

Start the car and inspect the connections thoroughly to be sure there are no leaks.

Tips & Warnings

Wear eye protection when working on your car to prevent gas from spraying into your eyes.

Never work on your car while smoking or around open flames.

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