Re: 2004 Vortec 5.3 Oil Pressure Sending Unit?
i had an 05 5.3 k1500. i took plastic cover off top of engine and laid a sleeping bag on top of engine. i crawled on top of engine with 3/8 ratchet 5 inch extension and socket.i looked down and saw oil sending unit and 2 minutes later i had it changed. old money.
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