What is your question?
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What is your question?
Ticking is fast.It starts when I start the vehicle, & is on going untill I stop/turn off vehicle. It does this now everytime I drive it. Its a fast leak from the exhaust & every time I start it there's a substantial amount of gas that leaks from muffler.
How long has your 2007 GMC Yukon had this problem?
2 months started after I cleaned exhaust manifold,replaced oil sensor switch & wiring changed the oil. I replaced the cv axle output shaft, & tie rods with new wheel hub also changed transmission filter & fluid
1 Reply
Hello, it sounds like a manifold leak, either a failed gasket or a crack in one or both of the exhaust manifolds. However, a physical inspection is needed to find the source of noise. What is cleaning the exhaust manifold? How is it done and what would the purpose be? Sounds like this may have contributed to the issue. Use this link to find some shops near you that can help with your concern: www.repairpal.com/repair-shops
