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Re: Changing 2004 Tahoe 5.3L spark plugs
Posted to Technical Tips Forum on 12/11/2020 1 Reply

We quote for wires on those engines at the same time as plugs. I have gotten lucky on some of them by using my big hands or pliers for taking heater hoses loose and twisting back and forth. If I can get them to twist they come off most of the time. I do discon... Login to read more.

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