Low oil pressure

Asked by 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

2 Answers

54,645

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

75,625

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

Your Answer

GMC Yukon XL Experts

  • #1
    TK76
    Reputation
    350
  • #2
    Robert Davis
    Reputation
    200
  • #3
    tennisshoes
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    190
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