Exhaust Leak
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Elder User
Joined: Oct 2002
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From: Seattle/Tacoma Washington U.S.A.
Exhaust Leak
What are the symtoms of an exhaust leak at the Exhaust manifold? Because I think I may have one and it may be affecting the operation of my truck... and how can I check and see if I do?
New User
Joined: Jan 2008
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Exhaust Leak
It usually starts as exhaust pop,which sounds just like lifter tick.
Dennis
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Elder User
Joined: Sep 2002
Posts: 519
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From: Iowa
Exhaust Leak
>It usually starts as exhaust pop,which sounds just like
>lifter tick.
>
>Dennis
>
Except if it's the exhaust manifold, you will hear it mainly when it is under load, whereas a lifter tick is most evident at idle.
>lifter tick.
>
>Dennis
>
Except if it's the exhaust manifold, you will hear it mainly when it is under load, whereas a lifter tick is most evident at idle.
Thread Starter
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Elder User
Joined: Oct 2002
Posts: 654
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From: Seattle/Tacoma Washington U.S.A.
Exhaust Leak
Does it sound like a nock? Because I think I have a leak and when its idleing it goes nock nock nock nock... and on and on, and if I rev it up a little it gets worse untill its really reving and then it stops nocking.
Lead Driver
Joined: Nov 2000
Posts: 6,625
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From: Albuquerque
Exhaust Leak
Do you have a cross over to single exhuast? Is so is there a valve in there to force exhaust through the intake for warm up? I've seen the spring in these go soft and make a heck of a knocking sound.
Tuned
Joined: Jul 2001
Posts: 432
Likes: 38
Exhaust Leak
I've had great luck locating exhaust manifold leaks by simply running my finger around the perimeter of each port where the casket contacts the manifold. You must be careful to avoid contact, but you can do this without getting burned. If there's a leak you'll feel the "puff" of exhaust gas as it escapes around the gasket. Best to do this before engine warms up completely, and while it's at fast idle.
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Senior User
Joined: Dec 2001
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Exhaust Leak
A trick that works for me is to run the truck at night in the dark. If it is an exhaust leak at the head/manifold junction, you will see the fire from combustion ever so slightly. I would suggest that you fix such a leak immediately because I had a couple exhaust valves burn from having leaks like that
GOOD LUCK
regards
Ben
GOOD LUCK
regards
Ben
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