Chevrolet Repair Questions? Ask a Mechanic for Answers ASAP
Hello & Welcome,
Here is the procedure to change the filter.
There is no service interval for fuel filter replacement. Only replace the fuel filter if the filter is restricted. Inspect the fuel tank internally and clean the fuel tank if you find a restricted fuel filter.
Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
Tighten the fuel filter fitting to 27 N·m (20 lb ft).
I hope this helps. Please let me know if you need more information.
Take Care, Greg A.
When do you take the cable off? I assume at the beginning-first thing, right?
Also, how do you relieve the system pressure?
You are correct - the negative battery cable is supposed to be removed at the beginning of the procedure, when you relieve the fuel pressure (see below).
J 34730-1A Fuel Pressure Gage
need help on a 1999 Chevy K3500 pickup with a 7.4 L