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First you have to relieve any fuel line pressure. (The process varies depending on model.) On the MFI engines the system depressurizes upon engine shutoff. Next detach the quick connects by squeezing down on the clips and pulling apart the flexible line on the engine side of the filter. On the tank side you will need two wrenches. One wrench needs to be put on the filter to hold against twisting, the other on the fuel line flare nut. Loosen flare nut carefully as to not strip nut or bend the fuel line. Caution - some fuel will spill out so be prepared with rags and wear eye protection. The last step is to carefully remove the lines in the fuel filter bracket (there are three and they snap in place) and remove the bolt that holds the filter to the frame. Now you can remove old filter and replace with new one. Installation is the reverse of removal. It is a very easy and cheap procedure to preform. I usually change my fuel filters every three oil changes. Hope this helps.

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Q: How to change fuel filter on 97 gmc sonoma?
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