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Transmission shudder when downshifting on Automatic transmission.

 
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  #1 (permalink)  
Old 08 Feb 2014, 06:34 pm
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Exclamation Transmission shudder when downshifting on Automatic transmission.

Hello,
I own a 2002 Cruizer base model with 180,000 miles. The tranny gave out on me when it had 120,000 so I had it rebuilt. Now recently I started to notice a shudder or a small jolt when slowing down at around 25 MPH. Its more noticeable when making a hard stop but I can also feel the shudder (though very faint) when making a proper stop. Other than shifting down to first gear all other shifting is smooth. I have not changed the transmission oil since the rebuild at 120,000 miles. I am wondering should I do a transmission flush? Or has anyone else ran into the same issue? Also no check engine light, yet. Thank you for your input.

V/r
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Old 08 Feb 2014, 06:37 pm
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Location: darien il
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Default Re: Transmission shudder when downshifting on Automatic transmission.

Quote:
Originally Posted by Dez512 View Post
Hello,
I own a 2002 Cruizer base model with 180,000 miles. The tranny gave out on me when it had 120,000 so I had it rebuilt. Now recently I started to notice a shudder or a small jolt when slowing down at around 25 MPH. Its more noticeable when making a hard stop but I can also feel the shudder (though very faint) when making a proper stop. Other than shifting down to first gear all other shifting is smooth. I have not changed the transmission oil since the rebuild at 120,000 miles. I am wondering should I do a transmission flush? Or has anyone else ran into the same issue? Also no check engine light, yet. Thank you for your input.

V/r
check the top and bottom engine mounts. they are cheap and easy to change, and commonly tear. they'll do what you describe
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Old 08 Feb 2014, 06:48 pm
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Default Re: Transmission shudder when downshifting on Automatic transmission.

What Rob said and also it is time for a fluid and filter change. You do not want any varnish build up around the solenoids, pistons or accumulators which could also cause what you are describing.
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Old 08 Feb 2014, 07:21 pm
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Default Re: Transmission shudder when downshifting on Automatic transmission.

I'd do a chemical detergent transmission fluid flush http://www.amsoil.com/shop/by-produc...mission-flush/ , new filter and chemical synthetic ATF. Here's some reading: http://www.amsoil.com/search.aspx?searchedtext=shudder

Last edited by Gold2006; 08 Feb 2014 at 07:26 pm.
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Old 11 Feb 2014, 09:34 pm
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Join Date: Jun 2013
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Default Re: Transmission shudder when downshifting on Automatic transmission.

i have the same issue, they told me the same thing but didnt get chance to replace the motor mounts.. plz keep us updated if you get yours fixed.

Thank you.
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Old 14 Feb 2014, 05:49 am
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Default Re: Transmission shudder when downshifting on Automatic transmission.

Chrysler recommends that you don't add anything other than ATF+4 to their transmissions. [except for dye for testing for leaks].
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Old 15 Mar 2014, 08:57 pm
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Default Re: Transmission shudder when downshifting on Automatic transmission.

the issue is the transmission solenoid block. thanks for the suggestions
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Old 11 Apr 2014, 08:01 pm
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Exclamation Re: Transmission shudder when downshifting on Automatic transmission.

Today i decided to buy a brand new Mopar solenoid and i replaced mine,
it didn't fix the problem!!!!, after few minutes of driving it happened again!
this thing is driving me crazy.., if anyone can advice plz.

06 turbo, auto.

Thanks in advance.
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Old 04 May 2014, 08:20 am
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Location: Norfolk, Va
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Default Re: Transmission shudder when downshifting on Automatic transmission.

Downshifting while braking. I have a 2009 that I bought new and it's done the same thing you're describing since day one.
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Old 16 Jun 2014, 10:49 pm
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Default Re: Transmission shudder when downshifting on Automatic transmission.

Here again with the same issue.....
I replaced the solenoid but didn't solve the problem, after few days my problem get worse than before, the engine light come out with 3 codes
Then I replaced the output sensor and changed the trans oil and filter.

All problems fixed and no more shudder for 4 weeks.
Few days ago the problem is back again!!!!

What's wrong with this car? Any suggestion please?
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