Fuel Feed Pipe and Return Pipe Purging for Chevrolet Chevy C Cab/Chassis HD (GMT 400) 2002
Caution : The water/diesel fuel mixture is flammable. The water/diesel fuel mixture
could be hot. In order to help avoid personal injury and property damage,
do not touch the fuel coming from the drain hose. Also do not expose the fuel
to open flames or sparks.
Be sure you do not overfill the container. Heat (such as from the engine
) can cause the fuel to expand. If the container is too full, fuel could be
forced out of the container. This could lead to the risk of personal injury
and vehicle damage.
- Open the air bleed valve
on top of the fuel manager/filter.
- Connect a hose to the air bleed valve located on top of the fuel
manager/filter and place the other end of the hose into a suitable container.
- Turn the key ON for 5 seconds and OFF for 10 seconds until clear
fuel is observed at the air bleed hose.
- Close the air bleed valve.
- Start the engine and allow to run for 5 minutes at idle.
- Check for fuel leaks.
- Clear all engine DTCs.