name that click / knock
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Elder User
Joined: Aug 2006
Posts: 674
Likes: 0
From: KC, MO
name that click / knock
So, I have a click that i hear all the time now. It is really defined when I accelerate and then coast, I will then hear the click with the rpms and it will slow as the truck slows.
I thought is was the vacuum pump so I changed it and no difference.
I had an exhaust guy look at all the exhaust and he said no leaks. It sounds like a exhaust manifold leak.
Any ideas.
I thought is was the vacuum pump so I changed it and no difference.
I had an exhaust guy look at all the exhaust and he said no leaks. It sounds like a exhaust manifold leak.
Any ideas.
Posting Guru
Joined: Nov 2003
Posts: 2,214
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From: THUNDER BAY
A real stethoscope won't work you will need to get the mechanics one or try what the others have suggested pin point where the noise is coming from and I'm sure these guys will help you from there
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Post Fiend
Joined: Mar 2007
Posts: 9,010
Likes: 5
From: Johnson City, TN.
I know they checked the exhaust but did they check the uppipes?
You can also use a short length of water hose to locate the problem.
You can also use a short length of water hose to locate the problem.
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Thread Starter
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Elder User
Joined: Aug 2006
Posts: 674
Likes: 0
From: KC, MO
I have replaced the vacuum pump. I now hear the pump start to spin every time I start the truck. I don't really hear the click at idle but have to rev it up to about 2K and let off the accelerator to hear it.
Senior User
Joined: Aug 2007
Posts: 225
Likes: 1
it'd be worth checking for loose bolts that may be hitting the back of a pulley. i had the exact same symptom and looked at a lot of stuff before finding that a bolt had walked loose. click click click!
good luck
good luck
