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Old 08-15-2013, 01:01 PM
 
Location: New Orleans, LA
1,809 posts, read 4,947,471 times
Reputation: 683

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I have a 1990 GMC Suburban SLE V1500 with transmission problems.

It cannot shift from 2nd gear.

One day when I was driving I stopped at a stop light, and when I drove the transmission for some unknown reason started to not shift from 2 gear.

Also, this truck is a 4wheel drive.
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Old 08-15-2013, 01:38 PM
 
Location: U.S.A.
3,306 posts, read 11,371,112 times
Reputation: 2965
Fluid level? Fluid condition? Take the dipstick out and wipe it across a white surface such as paper or a rag, what color is it?
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Old 08-15-2013, 03:10 PM
 
865 posts, read 1,981,260 times
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If the fluid checks out good ...

Usually, when a 700R4 isn't going past second gear it's pretty much done for. It's a fail safe mode designed for when there is a serious internal problem.
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Old 08-15-2013, 03:19 PM
 
14,881 posts, read 18,022,605 times
Reputation: 24169
it is the 3/4 gear clutch pack...........tranny guys will start by saying you can just change the 3/4 clutch pack then when they get it apart they usually call for a total rebuild. I had one fail at 80K miles.....I was stunned but it got rebuilt and it is still going strong.
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