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Knocking noise

Tiny
SCULLY
  • MEMBER
  • 1999 CHEVROLET TAHOE
  • 5.4L
  • V8
  • 4WD
  • AUTOMATIC
  • 200,000 MILES
Knocking noise in engine, still drives fine, fluids are good maybe piston. Have a video I could forward.
Tuesday, April 11th, 2017 AT 5:28 PM

2 Replies

Tiny
SCULLY
  • MEMBER
  • 3 POSTS
In Ann Arbor Michigan area.
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Tuesday, April 11th, 2017 AT 6:15 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
What is oil pressure? If low or light comes on may be a bearing. Piston noise will normally be cold then when warm it goes away. Videos will not do much good. You can try removing plug wires one at a time if knock goes away then it is that cylinder. Pretty much have a local mechanic check it out.
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Wednesday, April 12th, 2017 AT 7:12 AM

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