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Discussion Starter #1
I have a ticking sound coming from under the hood when i first start the car in the morning but it goes away once the thermostat reaches 80°
Im curious of what it is and how to fix it?
Thankyou
 

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2005 S600
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Lifter tick and exhaust manifold leak sound remarkably similar.

A good oil, and some cleaners, will quiet down a lifter by freeing it back up as they clean.

But an exhaust manifold leak will require a new gasket to repair.

A mechanics stethoscope would help a lot in diagnosing this.
 
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