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slight pop and groan under load, air resonance?
Posted to Technical Discussion Forum on 2/2/2009 5 Replies

I have this Deville in that has had head gaskets installed. The customer states that there is a popping noise under load, and its horrid.

I drove it, and found a slight droaning resonance noise when under a heavy throttle condition, the noise goes away at WO... Login to read more.

5 Replies Received (View Replies)

 

car Vehicle Data

1999 Cadillac DeVille 4.6L

Engine4.6 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

1999 Cadillac DeVille 4.6L

Engine4.6 L
Trans4-speed Automatic (Electronic)