SPONSORED LINKS

Knocking sound out of nowhere

Tiny
WHITëBøI XâPøNë
  • MEMBER
  • 2000 PONTIAC GRAND PRIX
  • 199,000 MILES
Car quit running all of a sudden. It was not running hot had oil, but heard bubbling noise waited a few hours started up making a knocking sound from top of engine.
Tuesday, April 18th, 2017 AT 12:57 AM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Noises are hard for us to diagnose on here. Pull a valve cover and see if you can see a broken or loosened rocker arm or broken spring something on that order if spring is broken valve may have dropped and hitting piston.
SPONSORED LINKS
Was this
answer
helpful?
Yes
No
Tuesday, April 18th, 2017 AT 6:19 AM

Please login or register to post a reply.

Related Noise Knock Content

VIEW MORE

Sponsored links