2007 Chevy Tahoe 2007 Tahoe???

2007 CHEVROLET TAHOE
38,000 MILES • V8 • 2WD • AUTOMATIC
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SUPERMAN_8101
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  • 1 POST
2007 Tahoe will not "go" when put in drive. Only will move when put in 1 then 2 then 3 manually. Also if it is in 3rd and I turn it "pops" out of gear and acts like it is in neutral. HELP!!!
Oct 24, 2009 at 8:02 PM
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BRIAN 1
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  • 1,030 POSTS
check the forward sprag in the trans,Some customers may comment that the vehicle has no movement when the transmission is shifted to DRIVE or THIRD position, but there is normal operation when it is shifted to SECOND, FIRST or REVERSE position.

Cause
This condition may be caused by a damaged forward sprag assembly (642).

Correction
When inspecting the sprag, it is important to test the sprag for proper operation by holding the outer race (644) with one hand while rotating the input sun gear (640) with the other hand. The sun gear should rotate only in the counterclockwise direction with the input sun gear facing upward. If the sprag rotates in both directions or will not rotate in either direction.check this first.
Oct 25, 2009 at 10:04 AM