2000 Buick Century car jumping between gears after driving

Tiny
DREAMWEBBER
  • MEMBER
  • 2000 BUICK CENTURY
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 16,000 MILES
I have a Buick Century 2000 Limited and for some reason after driving around town for awhile my car will start jumping when going from 1st to second and sometimes from 2nd to 3rd gear (It is an automatic) it also will make a different sound in the engine (not too out of the norm but, just different). It has done this now for over a year.I know I know. But, since I do most of driving on the interstate I have rarely noticed it. Now it seems it is doing it in higher gears and not just during city driving.

My engine doesn't appear to be getting hotter but, I do smell something that appears to be rubber like.

Any ideas?
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Tuesday, February 10th, 2009 AT 11:08 AM

3 Replies

Tiny
ZACKMAN
  • MECHANIC
  • 4,202 POSTS
Start by making sure that you have enough fluid to level. Next check all your engine and transmission mounts.
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Tuesday, February 10th, 2009 AT 10:47 PM
Tiny
DREAMWEBBER
  • MEMBER
  • 3 POSTS
Everything appears to be fine there. I called the dealer and he thinks it might be a sellunoid (sp) issue inside the transmission? Anybody know anything about that?
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Wednesday, February 11th, 2009 AT 9:07 AM
Tiny
ZACKMAN
  • MECHANIC
  • 4,202 POSTS
I am assuming that you don't the check engine light on. You can perform this procedure to test all the transmission sensors and solenoids.


https://www.2carpros.com/forum/automotive_pictures/55316_00centurytranstest_1.jpg



Figure 1


https://www.2carpros.com/forum/automotive_pictures/55316_00centurytrans_1.jpg



Figure 3


https://www.2carpros.com/forum/automotive_pictures/55316_00centurytransconnect_1.jpg



Figure 7


https://www.2carpros.com/forum/automotive_pictures/55316_00centurytrans2_1.jpg

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Thursday, February 12th, 2009 AT 12:07 AM

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