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-   -   ticking noise (https://www.hummerforums.com/forum/private-sale-trade-classifieds-10/ticking-noise-19963/)

mdavis 07-15-2010 01:12 PM

ticking noise
 
I keep hearing a ticking noise when my engine is running.It's constant & very annoying.Could this be the valves needing adjustment?My H3 is a 2006 with a automatic transmission.It has less than 45,000 miles & I bought it used over a year ago.It has made that ticking noise from day one.I even have had passengers ask me about the noise.What,s gong on?:confused:

talusfan 07-15-2010 02:45 PM

Might check the exhaust manifold bolts, they like to break off.

jt653 07-15-2010 03:10 PM

My H3 for about a year made a whirring noise, almost like if you put a playing card in the spokes of your bicycle wheel. This occurred under acceleration on the highway. My dealer finally figured out it was a cracked manifold. The fixed it under warranty and the engine is now great.


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