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Oil pressure
Sorry I'm new to posting on here. I have an 01 tahoe z71. Before I got it, they took out the 5.3 and put in 4.8l. The end of last year it started making some awful noise. My boyfriend replaced the oil pump and pickup tube. It worked fine for month and half, then the oil pressure started dropping...- Leslie77
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- Forum: Engine & Drivetrain
