Question about 1999 Chevrolet Silverado 1500

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Transmission issue, when in reverse heard a clunk, then a whining sound....later there was no reverse...2001 chevy blazer

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  • Kevin Oliver
    Kevin Oliver Jan 05, 2009

    Started with a Bang - No reverse, no 2nd or 4th - '1low99' described my problem exactly.

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Ok my truck done the same thing put it in reverse then to drive to check my universal joint and heard a pop and then i lost 2nd, 4th, and reverse all at one time it ended up being the sun-shell gear in the tranny cost me almost 500 to fix hope this helps out

Posted on Jan 07, 2009

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No this is a common Chevy blazer problem. by default blazers are rear wheel drive and there's a drive shaft that comes from the transmission in the front of the truck to a trans axle in the rear which drives the rear wheels. now the drive shaft is in two pieces connected by a universal joint that bends almost like a spinning elbow this like most other car parts beings to wear and you get the clunking when you push the pedal and it starts spinning. Dont worry your transmission is fine its only the drive shaft which is less serious to fix. and its safe to drive and will last many many miles. My 94 blazer has 475,315 on it. and the same clunk started at 100,000 and she is still running strong. For peice of mind go to a shop that you trust and they will know exactly what you are talking about and tell them to take a look at your drive shaft and universal join. remember these trucks last forever mine is all stock with that many miles on it. unless you blow your engine or win the lottery dont get rid of it becuase im telling u they dont make em like they used to. if you want more information feel free to email me. Centaur 89 @ rochester . rr . com

Posted on Jan 01, 2009

  • Keef k
    Keef k Jan 01, 2009

    Oops just noticed i said Chevy blazer.. i get excited talking about my own. But it all applies to yours its the same just a truck platform.

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It is a stripped or broken shell if you lose rev, 2nd, and 4th

I have done oodles of them. 1993 4L60E and up have this problem

They are in all the half ton GM trucks, s10, Blazers, camaro, firebird, jimmy, bravada, escalade, etc.

Posted on Apr 03, 2009

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Ok my truck done the same thing put it in reverse then to drive to check my universal joint and heard a pop and then i lost 2nd, 4th, and reverse all at one time it ended up being the sun-shell gear in the tranny cost me almost 500 to fix hope this helps out

Posted on Jan 02, 2009

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Sounds like u are up for a new trans when u hear noises like that the tranny has given up sorry no easy fix

Posted on Dec 20, 2008

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SOURCE: 2001 chevy blazer

It is inside the transmission. It is called a reaction sun shell, it strips out, which causes the grind noise your talking about.

Posted on Dec 21, 2008

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