2003 Chevy Impala periodically rough shifting

Tiny
PHOENYX987
  • MEMBER
  • 2003 CHEVROLET IMPALA
Transmission problem
2003 Chevy Impala 6 cyl Front Wheel Drive Automatic

sometimes my tranny will slip when taking off from a stop. Also it will occasionally start shifting hard all the time then goes away. I have already changed fluid and filter. What's going on?
Wednesday, February 10th, 2010 AT 5:18 PM

5 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,269 POSTS
It sounds like the trans control module. Has the check engine light come on? How many miles are on the vehicle?
Was this
answer
helpful?
Yes
No
Tuesday, February 23rd, 2010 AT 8:45 AM
Tiny
PHOENYX987
  • MEMBER
  • 1 POST
Thank you for answering my email, the check engine has not come on and there is a 100,000 on the vehicle.
Was this
answer
helpful?
Yes
No
Thursday, March 4th, 2010 AT 1:56 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,269 POSTS
Based on your description, I recommend having the trans control module checked. It is what controls the trans. My only concern is the slipping on occation. At 100K I wouldn't expect the trans to be bad, but it does happen.
Was this
answer
helpful?
Yes
No
Friday, March 5th, 2010 AT 6:22 AM
Tiny
GUNKIE
  • MEMBER
  • 1 POST
My 04 impala does the same kinda slams into gears when it warmed up
Was this
answer
helpful?
Yes
No
Friday, April 30th, 2010 AT 3:36 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,269 POSTS
Has the check engine light ever come on?
Was this
answer
helpful?
Yes
No
Saturday, May 1st, 2010 AT 1:17 PM

Please login or register to post a reply.

Sponsored links