C6 won’t turn

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Post  gas6999 on November 15th 2019, 12:13 pm

Help, I have a c6 in a 49 coupe the h
tran,s was rebuilt ran it about 5years ago, went to move the car and now it won’t roll backward, The trans is in neutral but won’t roll backward . Any ideas before I tear it down to investigate. Thanks. George.

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Post  Uglytruck on November 15th 2019, 12:32 pm

Make sure you don't have a hung brake. It tends to manifest itself just like you describe.

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Post  69F100 on November 15th 2019, 1:10 pm

If you have drum brake the drums will rust to the brake shoes and lock down can you rock the car forward and backwards to see if the tires roll any if the rear tires don't move then the brakes is locked up
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Post  gas6999 on November 15th 2019, 2:05 pm

Thanks for the reply's but its not the brakes, I pulled the drive shaft off and it rolls great, Its in the Tran,s For the life of me I cant think of what would be locked up, I have tried different gears still wont roll.

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Post  rbro460 on November 15th 2019, 2:08 pm

Sure it's the trany? Can you turn the motor over?
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Post  gas6999 on November 15th 2019, 2:38 pm

Oh ya the motor turns , Put the tran,s in neutral will roll forward but mot back ward put a long bar on wheel studs roll forward but not backward, Pulled drive shaft rolls great, Could the 1 way clutch be locked up or a band stuck to a drum? Im looking for ideas. Thanks. george

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Post  rbro460 on November 15th 2019, 3:05 pm

Sounds like emergency brake cables are rusty and won't let
them release all the way, did that in my 02 F150.
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Post  gas6999 on November 15th 2019, 3:56 pm

No emergency brakes on the car yet, cant turn the output shaft on the tran,s

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Post  69F100 on November 15th 2019, 5:18 pm

Pull the pan off the transmission and make sure moister didn't get in the trans and rust lock it up. I myself have never had a automatic lock up from sitting so I am not much help on it but sounds like it going to have to come out.
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Post  Frank Merkl on November 15th 2019, 7:37 pm

a C6 takes alot of effort to turn in reverse as your turning all the gear train backwards
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