Noisy torque convertor?
Maybe I'll just order a whole tranny, t/c and all....
Senior User
Joined: Jan 2004
Posts: 336
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From: 29 Palms, CA
Originally Posted by farmb0y
99psdcrew-
My tranny was the same way, seemed to shift early and not at the appropriate time. As my old man mentioned earlier, I had the tranny program updated and also had to put in a new exhaust backpressure valve (located at the front of the block) and it works like a normal transmission now. The EBPV senses the amount of backpressure from the manifold and will vary the shifts depending on the amout of backpressure. My valve was bad and had to clean out the pipe that led to it, all carboned up.
My tranny was the same way, seemed to shift early and not at the appropriate time. As my old man mentioned earlier, I had the tranny program updated and also had to put in a new exhaust backpressure valve (located at the front of the block) and it works like a normal transmission now. The EBPV senses the amount of backpressure from the manifold and will vary the shifts depending on the amout of backpressure. My valve was bad and had to clean out the pipe that led to it, all carboned up.
Freshman User
Joined: May 2004
Posts: 29
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From: Phoenix AZ
Noisey TC
I bought my "99 PSD used with 30,000 miles and it has always made the exact sound you describe. I've heard plenty of other 99's with the same sound so I assumed it was normal. I now have 86,000 mi and just got a new tranny under the extended warranty (shift problems **and metal chips in the tranny oil pan***). Much to my pleasant surprise the dealer also replaced the TC and tranny oil cooler. When I picked up the truck, it sounded like a new truck!! The TC noise was gone and it now sounds like all the other newer PSDs.
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Lead Driver
Joined: Jun 2004
Posts: 6,316
Likes: 582
From: Amarillo, TEXAS!
Well, that's good to know. I thought is was just my imagination when I thought I heard another truck sounding like mine. At least I don't have to keep one under the seat just in case.....
Posting Guru
Joined: Feb 2004
Posts: 2,365
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From: IOWA
Originally Posted by thewizard
I bought my "99 PSD used with 30,000 miles and it has always made the exact sound you describe. I've heard plenty of other 99's with the same sound so I assumed it was normal. I now have 86,000 mi and just got a new tranny under the extended warranty (shift problems **and metal chips in the tranny oil pan***). Much to my pleasant surprise the dealer also replaced the TC and tranny oil cooler. When I picked up the truck, it sounded like a new truck!! The TC noise was gone and it now sounds like all the other newer PSDs.
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