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2006 Chevrolet Silverado lifter noise

Tiny
TEXASDAWG2003
  • MEMBER
  • 2006 CHEVROLET SILVERADO
  • 5.3L
  • V8
  • 4WD
  • AUTOMATIC
  • 260,000 MILES
The truck has a lifter noise at times when first starting up and will go away then will come back if you drive hard for a few miles keeps real good oil pressure was going to change lifter removed valve covers eng is vary clean on the inside found all passenger rockers clean and light in color but on drivers side the rockers are darker starting at number one cylinder and gets lighter going towards number 7 cylinder is there a problem somewhere I'm not seeing before I replace the lifters to stop the noise
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Friday, July 18th, 2014 AT 6:15 PM

3 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
The heads have to come off to replace the lifters and it could be a bad lifter. Have a pro look at it for sure
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Saturday, July 19th, 2014 AT 5:04 AM
Tiny
WILLZ06JW
  • MEMBER
  • 2 POSTS
I fixed this problem on my truck by changing the Oil Pump Inlet Tube O-Ring. The lifters are the first part that don't get enough oil after this o-ring breaks down. All Chevrolet mid 2000s era 5.3L O-Ring fails around 150-190K.
Oil Pump Inlet tube O-Ring Replacement
https://www.youtube.com/watch?v=g1e3kx3mOMY
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+2
Wednesday, November 22nd, 2017 AT 6:00 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,513 POSTS
Great addition to this thread! Please feel free to help out whenever you are on the site :)

Cheers, Ken
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Friday, November 24th, 2017 AT 6:43 PM

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