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International Automotive Technicians Network
Re: 5.3 LS oil pressure
Posted to Technical Discussion Forum on 4/28/2021

Do you remember if the plastic "barbell" that goes in the back of the block was in one piece ? If it broke and got pushed back somehow I guess it might block the main feed. If you dont get any oil out of the oil pressure port, try taking the filter off and cra... Login to read more.