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Chevy TrailBlazer Transmission Problems

420 messages,  Last post on Nov 23, 2009 at 2:37 AM

You are in the Chevrolet TrailBlazer Forum. Your Hosts are steve_ & tidester

What is this discussion about? Chevrolet TrailBlazer, GMC Envoy, Oldsmobile Bravada, SUV


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#407 of 420
Re: trailblazer 2003 transmission problem [dws2k] by KUQUE
Nov 01, 2009 (7:41 pm)
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Replying to: dws2k (Oct 28, 2009 6:09 am)

YES.
#408 of 420
Re: 04 chevy tb [dunn03] by KUQUE
Nov 01, 2009 (7:45 pm)
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Replying to: dunn03 (Nov 01, 2009 6:58 pm)

sounds like you're having the same problem most of us have had. It's not the trans, it's the fan clutch. see posts 395, 399 and 400.
#409 of 420
tb 2003 transmission problem by trail03
Nov 01, 2009 (11:30 pm)
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I am having my fan clutch replaced this tuesday will let you know if it works better
#410 of 420
tb 2003 transmission problem by trail03
Nov 05, 2009 (1:52 am)
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It is 2 day after the fan clutch was put in and the trucks runs great thank you for the help KUQUE the part i purchased from autozone cost me 216.50 but it came with limited life warranty and had a machanic put it in for 25.00 I hope that is all it needs so thanks again KUQUE
#411 of 420
Re: 04 chevy tb [dunn03] by trail03
Nov 05, 2009 (2:00 am)
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Replying to: dunn03 (Nov 01, 2009 6:58 pm)

replace the fan clutch i did on mine and it works better now read my post on that same problem trail03 I also had that problem
#412 of 420
03 TB Overdrive Problem by clutch_artist
Nov 05, 2009 (8:31 pm)
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My 03 Trailblazer has 201k on it with no problems. Tranny had first flush at 164k. Recently it started acting a little funny in overdrive. At cruising speed (50mph and up) it acts like it is searching for a gear. It doesn't actually drop down to third but at 60mph for example, it bounces between about 1600rpm and 1900 rpm about every 5 - 10 seconds. Ever heard of this? Any suggestions? I'll be going about 3k miles over Thanksgiving towing a trailer and want to prevent any problems. Thanks in advance!!
#413 of 420
Re: 03 TB Overdrive Problem [clutch_artist] by burdawg
Nov 06, 2009 (7:58 pm)
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Replying to: clutch_artist (Nov 05, 2009 8:31 pm)

It could be the torque converter locking and unlocking. With that many miles the pump in the transmission is probably worn and the internal fluid pressure may be low. You may want to have it checked. When it was flushed was the filter changed?
#414 of 420
Re: 03 TB Overdrive Problem [burdawg] by clutch_artist
Nov 07, 2009 (5:07 am)
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Replying to: burdawg (Nov 06, 2009 7:58 pm)

I did have the filter changed at the time it was flushed. Can a tranny shop diagnose this with any confidence? I really don't think the tranny is slipping. It shifts firm in all gears. I don't want them to tell me it needs a rebuild if it really doesn't. What kind of repair bill can I expect?
#415 of 420
Re: tb 2003 transmission problem [trail03] by KUQUE
Nov 07, 2009 (6:36 am)
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Replying to: trail03 (Nov 05, 2009 1:52 am)

happy to hear that your truck is running great now. wish I had me to guide me when I first encountered problem...lol. I replaced mine over 3 yrs ago, and it's still running great. t/c
#416 of 420
Re: 03 TB Overdrive Problem [clutch_artist] by KUQUE
Nov 07, 2009 (6:41 am)
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Replying to: clutch_artist (Nov 07, 2009 5:07 am)

you can take it to any mechanic with a diagnostic computer and it will give them a code. take that code and call dealership and ask what that code means. if it refers to fan clutch, you don't need trans rebuilt. most diagnostics cost about 30-50 bucks. good luck.

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