Question about 2007 Buick LaCrosse CXL Sedan
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Posted on Jan 02, 2017
SOURCE: transmission ?
The TCC solonoid is bad I have changed hundred of these there is a square coector of the front side of the transmission, this is the connector for the TCC ( torque converter Clutch) it has a tab lock put your finger nale under the tab or a smal screwdriver and lift gently and pull the connector off the car will now drive when you put it in gear but NOT have 4th gear and theck engine light may come on you should get this fixed as soon as possible you have to take off the side transmission cover the TCC is in there only buy one directly from the GM dealer no one else trust me on this, and also change te transmissin filter and gasket while your there.
if this information is good plese give me a fixya!
Thanks and if you need more help contact me but here look at my website go to the BLOG and FAQ you will see the TCC jobs I hve done and the outcome
Posted on Aug 18, 2008
SOURCE: Missing or chugging
If it's throwing a code, have it scanned. Sounds like the Mass Air Flow Sensor (MAF) or the Throttle positioning sensor, (TPS) Could aslo be a dirty O2 sensor. Scanning will tell.
Posted on Oct 12, 2008
there are really only 2 things that cause this problem most of the time i have seen it, 1st a defective Mass Airflow Sensor, the second is low fuel pressure from a failing pump or obstructed fuel filter do u have a check/service engine soon light on at any time? have u had the system tested for trouble code's? Go to any Kragen or Autozone and ask for a OBD 2 trouble code test, it is free, record any code's that show and post them back here on this same thread.
Posted on Mar 16, 2009
This is a common problem on some GM cars. There is a pressure control valve in the side cover of the transmission that needs to be replaced. The transmission does not have to be rebuilt. You will need to get a side cover gasket also.
Posted on Apr 28, 2009
Try unplugging the electrical connection on the transmission to lock it in 3rd. It might get you moving. Although the transmission is going to need rebuilt or replaced.
Posted on May 24, 2009
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