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Exhaust leak or lifter

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#1 scagle777



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Posted 08 July 2012 - 11:49 PM

I have an 05 Sierra 5.3 with 108k. I noticed a tick coming from the right side today. I can't hear it when I open the hood, but if I put my head down by the front tire I can hear it. I figured if it was a lifter I could hear it from the top as well but I'm not 100% sure. I know that manifold leaks are very common.
2005 Sierra 1500 SLT Z71 Crew Cab

#2 BlackZ71Silverado


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Posted 09 July 2012 - 12:13 AM

Hold a rag over the exhaust pipe tip. If it's an exhaust leak you will know exactly where it's coming from.

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#3 00Silverado4x4


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Posted 09 July 2012 - 07:48 AM

If you take a look at your exhaust manifolds, you may have some broken bolt heads. I've read a few threads about these bolts breaking and some causing exhaust leaks. Currently I have one broken bolt but it hasn't annoyed me enough to fix...yet.
2006 GMC Sierra, 1500, Crew Cab, Z71, 136,612 miles R.I.P.

2000 Chevy Silverado, 2500, Ext Cab, 4x4, 6.0L (LQ4), 3.73 gears, G80 Locker, TP2 Auxiliary Battery, 363k miles ***TOW BEAST***

#4 j-ten-ner


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Posted 09 July 2012 - 08:38 PM

...and check if the spark plugs are tight.

The lifter ticking on my truck turned out to be a lose spark plug.

so long

Only three people are allowed to drive my truck.

Me, myself and I. :driving:

...and my wife...

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