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low oil pressure

  1. Chevy Silverado Forum (GMC Sierra)
    My 05 has had some issues with the oil pressure lately. Whenever it’s started up it is very dry and loud, the link is when I haven’t driven it in 2 days. It won’t sound as bad if it was only 1 day and it’s not noticeable to a regular start up if it’s been multiple times in 1 day (the cluster...
  2. Chevy Suburban Forum (GMC Yukon XL)
    Hi. Purchased a 2019 XL 5.3. It’s got about 50k miles. Last weekend I changed all the fluids. Drove it today and when idling the oil pressure dropped to a hair below 30. Normal? I’ve never had a vehicle drop like that when idling. Also when idling every 10 seconds or so I feel a very light...
  3. Chevy Avalanche Forum (Escalade EXT)
    Hi guys my 05 Escalade esv 6.0 272,000 miles has alarm level oil pressure at startup for about 2 minutes runs about 40 psi at 2000 rpm and 15 psi at idle after it warms up, sounds ok,no tapping or rattling. 5w30 valvoline syn high mileage.any thoughts ?
  4. Chevy Suburban Forum (GMC Yukon XL)
    Hi all. Been trying to figure out a low oil issue on my brothers 2005 suburban z71 with a 5.3 and 140k on the clock. Idles at about 20 lbs of pressure, maybe a touch lower. Replaced the oil pressure sensor, didn’t help. Did the o ring, also didn’t seem to help but the old o ring was pretty...
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