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2010 Chevrolet Impala LS 4dr Sedan

2010 Chevrolet Impala
Trim Info:
Front Wheel Drive, 4 Door Sedan, Large
18 mpg city / 29 mpg hwy
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October 17, 2012, 10:58 am

Tammy M
 

Question: Very bad jerk and thump after pressing gas

Within the last week the problem has become severe after coming to a stop or applying brakes the car makes a violent jerk and thump when applying the gas again as if it is not able to shift, i honestly thought the transmission fell out it was so bad it first started with just every now and then but now it is constant


October 27, 2012, 2:20 pm

Elizabeth K
Expert Mechanic

If you haven't had the transmission serviced (new fluid/filter) in the last 30k miles, start with that. There alos is an issue on hard 1-2 shifting, see the link below (post by gvrtrans is relevant, ignore the others):
http://www.fixya.com/cars/t3483080-2004_impala_transmission_jerks_into

The info may be hard to understand if you're not a mechanic, but have the system scanned for codes, if 1811 shows up, point your mechanic toward that thread.


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