Low oil pressure

Asked by Joe01040 Apr 02, 2017 at 06:25 PM about the 2004 GMC Yukon XL 1500 SLT

Question type: Maintenance & Repair

I have a 2004 GMC Yukon XL SLT
5.3L at warm idling oil pressure is
between 10 and 15 psi I have
changed sending unit switch, oil
pump and connecting rod bearings
still have low oil pressure at idle

3 Answers
159,335

Bob answered 7 years ago

What is the connecting rod bearing clearance? What is the main bearing clearance?

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224,085

Rowefast answered 7 years ago

Sounds like you'll have to replace the main bearings. Like Bob is saying, check to make sure the clearances are within spec.

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60

Builtnotbought1776 answered 4 years ago

These are infamous for the oil pickup tube screen getting clogged and the oil pickup tube o-ring failing.

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Your Answer:

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