Question about 2004 Chevrolet TrailBlazer
Chevy Trailblazer with 55,000 miles. The speedometer would not work on various ocassions. Then the car would not shift into reverse. Now it will not shift into any gear.
I have a hard time believing the tranny is shot after only 55,000 miles. Get it up on jacks and start it with you under the car and someone else shifting. The linkage could be completely out of adjustment. (The speedo thing is strange though.)
If the linkage appears to be the problem, and is sloppy and loose, there you are. But if not, you may need to rebuild it. But I would get a second opinion from a well known smaller shop where the owner works there and is known for honesty.
Posted on May 29, 2009
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Posted on Jan 02, 2017
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Sounds like a bad speedometer sensor. Usually located on the transmission. The only way to fix the speedometer is to replace the sensor.
The Variable Speed Sensor (VSS) has failed. You will have to get it replaced. Both are driven by an electrical signal sent to the cars computer by the VSS, and converted to SPEED, and DISTANCE driven.
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