I have a 04 you on lots of sludge in the oil pan still no oil pressure no metal shavings in the pan

Asked by May 30, 2015 at 09:46 PM about the 2004 GMC Yukon XL 1500

Question type: Maintenance & Repair

2 Answers

58,395

Replace the oil pump,and clean the strainer tube,may help.

2 out of 2 people think this is helpful.
56,675

As TST said plus service the crankcase ventilation system. A plugged crankcase ventilation system will cause excessive sludging. As well as infrequent oil changes. HTH. -Jim

1 out of 1 people think this is helpful.

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