Mechanics

LOUD NOCKING COMENG FROM ENGINE

2004 Buick Rendezvous • 50,000 miles

Loud nocking comeng from engine
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Dodgegirl1
June 4, 2012.



Where is the kncking coming from the bottom or top?

Saturntech9
Jun 4, 2012.
I am not really sure it seems like it comeing from the top

Tiny
Dodgegirl1
Jun 4, 2012.
We have to narrow down to the engine or something driven by the belt. You can use a long screwdriver as a listening device. Just be careful where you put the screwdriver.

Saturntech9
Jun 4, 2012.
I have put a screwdriver to the top of the engine and it sounds likes it comeing from there it sounds like a taping and when u give it gas the taping gets louder

Tiny
Dodgegirl1
Jun 4, 2012.
So from under the valve cover?

Saturntech9
Jun 4, 2012.
Yes

Tiny
Dodgegirl1
Jun 4, 2012.
Both valve covers or just one?Also how loud is the noise?

Saturntech9
Jun 4, 2012.
I just checked the front one its a loud noise I would say out of 1-10 10 being bad its a 8

Tiny
Dodgegirl1
Jun 4, 2012.
I would check both vave covers could be the timing chain lifter etc.

Saturntech9
Jun 4, 2012.
Ok I will half to check that out

Tiny
Dodgegirl1
Jun 5, 2012.
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