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Author Topic: 700r4 problem  (Read 3494 times)

Offline jetman373

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700r4 problem
« on: June 20, 2006, 11:11:00 pm »
I just bought a 84 gmc 1/2 ton. 305/700r4. When I put it in reverse, It makes a grinding noise. Almost sounds like I put it in park while driving. Anyone ever hear of this?

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Offline bfofish

  • Too Many Toys..... Not Enough Time
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Re: 700r4 problem
« Reply #1 on: June 20, 2006, 10:27:00 pm »
did you try checking your linkage? mine did that one time,and i adjusted the linkage and that took care of it.

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1987 Stepside 2wd , 2003 Silverado 1500HD Crew Cab

Offline jetman373

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  • Posts: 20
Re: 700r4 problem
« Reply #2 on: June 20, 2006, 10:42:00 pm »
thanks,havent tried that yet.Never delt with 700r4's before this.Just bought the truck. Was told it didnt run and the trans was out.I put a battery in it and it fired right up,put it in reverse and it made that grinding noise.Drive seems to work fine. Havent drove it yet.

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Offline DnStClr

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Re: 700r4 problem
« Reply #3 on: June 21, 2006, 08:52:00 am »
It sounds like the synchronizer went out. Does it grind when you shift, or when you actually back up? One time I read where a guy changed his tranny fluid to cure a grinding tranny-  

Don St.Clair
Culleoka Tn

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Don
87 Chevy Silverado
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