General Motors 8.1 — Quick Connect Fitting(s) Service (Metal Collar)
Repair & overhaul · Fuel line quick-connect fitting
For the General Motors 8.1, from the General Motors service manual.
Applies to: General Motors 8.1L engine
Before you start
- Wear safety glasses in order to avoid eye damage.
Procedure
- Relieve the fuel system pressure before servicing any fuel system connection.
- Remove the retainer from the quick-connect fitting.
- Blow dirt out of the fitting using compressed air.
- Insert the correct tool into the female connector and push inward to release the locking tabs.
- Pull the connection apart.
- Wipe off the male pipe end with a clean shop towel.
- Inspect both ends of the fitting for dirt and burrs; clean or replace as required.
- Apply a few drops of clean engine oil to the male pipe end.
- Push both sides of the fitting together to snap the retaining tabs into place.
- Pull on both sides of the fitting to make sure the connection is secure.
- Install the retainer to the quick-connect fitting.
Tools required
- J 37088-A Tool Set, Fuel Line Quick-Connect Separator Amazon
- J 44581 Fuel Line Quick Connect Separator Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Source: General Motors service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.