A fastener such as a Nut and bolt, Or washer has a series of spikes or teeth on a bearing surface which is engageable with a workpiece. The spikes or teeth can grip the workpiece to lock the fastener against relative rotation with respect to the workpiece.
***IMPORTANT***Only the flex fuel 5.3 has a serviceable fuel filter. The 8th digit of the VIN is Z for flex fuel.***
***ALSO I needed a special tool to disconnect the filter***
Part 3 of my 2004 Tahoes 100k mile service.
Here’s the tool that I used:
https://www.matcotools.com/catalog/product/FL347/LOW-PROFILE-FUEL-LINE-DISCONNECT/
Thanks for watching and stay tuned for part 4 which should be spark plugs and wires.