1985 GMC Sierra 1/2 350 Pickup

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  #1  
Old 02-21-04, 07:24 PM
terlaw
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1985 GMC Sierra 1/2 350 Pickup

Today I was given the above truck. The body and interior are in good shape. The engine does not smoke, but runs a little rough, and does not kick down the way it should, may need to rebuild the carb. The biggest issue is going to be the tranny. It is an automatic that will not move in reverse gear. I have never done any work on a transmission. Can anyone tell me some things I can look for that might be causing this? Thanks for any input.

Walter
 
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  #2  
Old 02-21-04, 08:23 PM
fordman30
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well walter this is completely a guess but,it soumds like it might be the modulator valve or it could be something simple as changing the fluid and filter.i mean worse case is you would have to put another tranny in.
 
  #3  
Old 02-21-04, 08:36 PM
terlaw
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Thanks, for the reply guess I better go out and buy a service manual, start with the basics and hope for the best.

Walter
 
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