GM Service Manual Online
For 1990-2009 cars only

Object Number: 1236561  Size: A3

Your vehicle may have this spin-on filter. It is located on the driver's side frame rail.

It has a clear plastic drain bowl at the bottom. Check the drain bowl occasionally for any water or particles.

To drain the water or to replace the element, follow the water draining and element replacement procedure under Water in Fuel .

Secondary Fuel Filter and Heater

Your vehicle may have this fuel filter and fuel heater. It is mounted on the left side of the engine.


Object Number: 1869351  Size: B3

It has a metal drain bowl at the bottom. Occasionally, check the bowl for any water or particles. To check or drain the bowl, shut off the engine.

Then push up on the spring-loaded drain valve until clear fuel is flowing from the valve. The particles or water will drain out first.