para noises
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Cargo Master
Joined: Apr 2009
Posts: 2,135
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From: Man Cave
para noises
Yes Im hearing things.
My truck has developed a distinct ticking noise. Its mainly in the tall gears from TC lock and up when the motor is under load from the beginning of the rev range. You cant hear it revving from 1st to 3rd but once the TC locks and you push it hard a distinct phft phft phft sounds comes in. Like there is a exhaust leak. I have taken off my downpipe and re sealed where it joins the rest of the exhaust. All clamps look clean. I have checked manifolds and IC boots and the uppies and rear turbo connection. all is clean. She has plenty of power and boost. The more I listen for it the more Im thinking valves, pushrods area. Its quieter in stock tune but it is there. Generally the whole motor is quieter in stock. I have done the under valve cover re torque. Have no codes. What next??
My truck has developed a distinct ticking noise. Its mainly in the tall gears from TC lock and up when the motor is under load from the beginning of the rev range. You cant hear it revving from 1st to 3rd but once the TC locks and you push it hard a distinct phft phft phft sounds comes in. Like there is a exhaust leak. I have taken off my downpipe and re sealed where it joins the rest of the exhaust. All clamps look clean. I have checked manifolds and IC boots and the uppies and rear turbo connection. all is clean. She has plenty of power and boost. The more I listen for it the more Im thinking valves, pushrods area. Its quieter in stock tune but it is there. Generally the whole motor is quieter in stock. I have done the under valve cover re torque. Have no codes. What next??
Post Fiend
Joined: Jun 2006
Posts: 9,714
Likes: 2
From: White Mnt's,New Hampshire
check that little tube on the passanger side manifold going up the EBPS at the front of the motor...might be a small pin hole that wont be heard till the higher RPM's under load..
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Cargo Master
Joined: Apr 2009
Posts: 2,135
Likes: 0
From: Man Cave
Dunno bout that one Brandon. The more I listen to it the more Im starting to think pushrod, valve etc. Its a definite tick. Could you get a distinctive tick from a injector ?? Im running 55psi fuel pressure.
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Cargo Master
Joined: Apr 2009
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From: Man Cave
