manifod has a leak on right side with that a tapping noise noticed only when driving not when sitting idling 97 tahoe 5.7 vortec

365

Asked by degottcha Dec 16, 2017 at 04:06 AM about the 1997 Chevrolet Tahoe LT 2-Door 4WD

Question type: Maintenance & Repair

97 Tahoe  LT 5.7 vortec good oil pressure  has a noticeable leak in the rear of
manifod right side when you put in gear and began to drive it sounds like a rod
lightly tapping only does it while driving and not when idling . would a bad
manifod gasket or a crack cause it to have a tapping sound when increasing
Rpms

3 Answers
159,045

Bob answered 6 years ago

The tapping sound could be the exhaust leak at the exhaust manifold. Get the manifold replaced to see if the tapping sound goes away. I think there is a really good chance that it will.

Mark helpful
103,105

KenF answered 6 years ago

Ditto to what Bob said. Exhaust leaks are often associated with a ticking or tapping noise.

Mark helpful
650

GuruPD8FJ answered 3 years ago

What u hear is exhaust . It will burn the hole -leak out bigger in a short time .Fix it.

Mark helpful

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