Question about Chevrolet Cars & Trucks
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Posted on Jan 02, 2017
Your trans is slipping, u are going to need to have it checked out at a trans shop, they will test drive it in most cases for free and report what they think is wrong or recommend more diagnostic work if they are unsure..
Posted on May 21, 2009
If there is a Auto Zone around your area, have the blazer scanned for any DTC codes that is related to the transmission issues. It could be a fault sensor, bad wires, or bad solenoid in the valve body. The scan should help indicate if there is an electrical issues or it's going to be mechanical. You can try adding a transmission additive to flush out the system and then replace the transmission filter and oil. Make sure you flush out all the transmission oil, it could be as simple as the 2nd and 4th solenoids are seized with dirt and not activating. Good luck and keep me posted. The solenoid is in the valve body and is not that expansive for the parts, you just have to find a good transmission shop that will fix this simple problem and not try to get you to put in a new transmission.
Posted on Aug 20, 2009
Testimonial: "Thank you so much. That gave me really good information and some things to try. Hopefully that is all it will be. Thanks again!!!!"
You can try a fluid and filter change and see if it helps. But from your description, it sounds like it's
time for a rebuilt(or used)transmission. Sorry to be
the bearer of bad news. Good luck.
Posted on Feb 01, 2010
this is a known issue with the gm 4L60E transmission. the valve body in transmission causes this. if it is wore, then less fluid is sent to shift selonoids. thus causing torque convertor not to lock up, and this causes slipping. if it slips 2 consecutive trips then the transmission detects this and should turn on check engine light. ( p1870 ). you can see if the tcc solinoid is bad. but if not its usually the valve body in tranny.
Posted on Dec 15, 2010
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