Stumped
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Freshman User
Joined: Sep 2009
Posts: 30
Likes: 0
Stumped
ok v10 guru's i'm stumped on this one. i've got 2 sounds going on the first one is like a buzzzzzzzz which is there constantly. the other is like a valve tap but is only heard when cruising on the highway. not sure what to check fuel injectors leaking exhaust manifold. who knows. thanks guys
Cargo Master
Joined: Sep 2007
Posts: 2,624
Likes: 6
From: OR and UT
Is the buzzzz coming from the engine bay? If so, can you pop the hood and hear it when idling?
The tapping sound could be an exhaust leak at the exhaust manifold. Have you checked for broken or missing manifold bolts?
If you could give more descriptors it would help.
The tapping sound could be an exhaust leak at the exhaust manifold. Have you checked for broken or missing manifold bolts?
If you could give more descriptors it would help.
Logistics Pro
Joined: Dec 2004
Posts: 3,541
Likes: 5
From: Weatherford Texas.
The studs could be broken and the nuts corroded to the manifolds. If you can get on them with a wrench GENTLY try to turn the to see if any come off don't put much torque on them. And look for any black soot around the manifold seam.
