Motor Going?? PLEASE HELP
Thread Starter
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Cargo Master
Joined: Oct 2008
Posts: 2,308
Likes: 1
From: Elyria, OH
By alot of noise, do you mean like the raspy sound that i was describing or "alot of noise" as in throwing codes from the computer? I ask this because i had this tube removed before i went on my drive and the noise didnt start until about 70-80 miles down the road...
Post Fiend
Joined: Nov 2008
Posts: 23,849
Likes: 20
From: McKenzie River
Should sound like a exhaust leak, but it would be making noise at idle too. Didnt read that you had already disconnected it, sorry. You need to pull the old fitting out of the back of the head and put a pipe plug in the port if you dont plan on reconnecting the thermactor (air pump) sys.
Thread Starter
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Cargo Master
Joined: Oct 2008
Posts: 2,308
Likes: 1
From: Elyria, OH
Should sound like a exhaust leak, but it would be making noise at idle too. Didnt read that you had already disconnected it, sorry. You need to pull the old fitting out of the back of the head and put a pipe plug in the port if you dont plan on reconnecting the thermactor (air pump) sys.
Post Fiend
Joined: Nov 2008
Posts: 23,849
Likes: 20
From: McKenzie River
Dont think it will have too much effect on MPG, but if you live anywhere that tests emissions sys., you better piece it back together. If not, tear away. But heed the advise on this forum about disabling emiss. controls and the effects on the computer and how to avoid.
Freshman User
Joined: Dec 2007
Posts: 27
Likes: 0
From: St Louis, Mo
But definately get that air pipe fixed first, or at least cap it off to rule out air noise.
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Thread Starter
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Cargo Master
Joined: Oct 2008
Posts: 2,308
Likes: 1
From: Elyria, OH
Dont think it will have too much effect on MPG, but if you live anywhere that tests emissions sys., you better piece it back together. If not, tear away. But heed the advise on this forum about disabling emiss. controls and the effects on the computer and how to avoid.
Thread Starter
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Cargo Master
Joined: Oct 2008
Posts: 2,308
Likes: 1
From: Elyria, OH
I took the plate off the trans to actually check this one out because this had happened to one of my buddies trucks. The plate looked alright all around...
Thread Starter
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Cargo Master
Joined: Oct 2008
Posts: 2,308
Likes: 1
From: Elyria, OH
Is there an easy way to get to this spot? I have been looking around here and there on the motor, but i can't find the place where it was broken off at... as anyone replaced/capped one of these before?
Elder User
Joined: Nov 2008
Posts: 639
Likes: 0
From: houston
Your truck should have 2 of those check valves,one on the crossover tube to pump air into the exhaust ports from the back of the heads and one on the end of the small tube that runs down to the exaust pipe. If its on the crossover you`ll need to get to the bolts on the back off the heads to take it off,then you can replace/plug the holes on the heads
Thread Starter
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Cargo Master
Joined: Oct 2008
Posts: 2,308
Likes: 1
From: Elyria, OH
Your truck should have 2 of those check valves,one on the crossover tube to pump air into the exhaust ports from the back of the heads and one on the end of the small tube that runs down to the exaust pipe. If its on the crossover you`ll need to get to the bolts on the back off the heads to take it off,then you can replace/plug the holes on the heads