2003 GMC Yukon fuel filter flex fuel

2003 GMC YUKON
120,000 MILES • V8 • 4WD • AUTOMATIC
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QUIRKWILLIAM
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  • 1 POST
Wher can i find info on removing the quick connect fittings and on replacing these lines
Mar 21, 2009 at 9:07 AM
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MERLIN2021
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  • 17,250 POSTS
Just go to the parts store and buy the set, very cheap, and all you do is put the right size one on the line and push it into the fitting. relive the fuel pressure before you do it. You can remove the fuel pump relay under the hood in the power distribution box, start the truck run it till it stops, leave relay out until filter is done. If the lines are rusted, they sell kits to replace them.
Mar 21, 2009 at 9:27 AM