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2005 Chevrolet Silverado Oil pressure

Tiny
AGTORR
  • MEMBER
  • 2005 CHEVROLET SILVERADO
  • 6.0L
  • V8
  • 4WD
  • AUTOMATIC
  • 293,000 MILES
Engine cold, start and let idle, oil pressure drops until warnings come on. After engine is at running temp oil runs at 60 psi, when at idle it may drop to 40 psi after it is hot
Wednesday, December 3rd, 2014 AT 11:42 AM

3 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Dropping oil pressure when hot at idle is normal. Have this checked out manually with a gauge. It may be an electrical issue or the dash may be going bad.
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Wednesday, December 3rd, 2014 AT 12:06 PM
Tiny
AGTORR
  • MEMBER
  • 2 POSTS
Oil drops when cold not hot, stays at 60psi when hot and at idle when hot only drops to 40psi
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Wednesday, December 3rd, 2014 AT 12:54 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Like I said check pressure with a gauge. Also use a decent oil filter as that can cause problems. Oil filters form china likemotor works are pure junk an ddo not do much good. Try a brand name one like ac/Purolator/wix/napa
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Wednesday, December 3rd, 2014 AT 3:36 PM

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