I have a 1991 Chevy Silverado 4x4, 5.7L engine with 283,000 miles n it. Recently when I shift it into park, the truck rolls when it is parked on an incline. The transmission was rebuilt once, but not recently. Any advice/words of wisdom would be appreciated.
Hi, This looks like the Pawl in the gearbox has been broken/damaged or even left out when the box was overhauled.
It lock the gearbox whilst in park so acting like a brake.
It could have occurred if someone put the vehicle in park whilst still moving.
Hope this helps?
Press the Blue button please to appraise My FREE! Effort.
Thank You!
Paul 'W' U.K.
http://repairhelpcenter.blogspot.in/2012/02/car-will-not-move-when-in-gear.html
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This will help.
Thanks.
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