trany ?

Question Description

I’m trying to learn for my class and I’m stuck. Can you help?

1998 GMC siearra 3500 diesel dully auto 4 wheel drive 

my transmission will not shift from 1st. it has not ever slipped - seems to have the correct amount of fluid - worked perfectly when I parked but when I restarted the service engine soon light came on and it would not shift

Student has agreed that all tutoring, explanations, and answers provided by the tutor will be used to help in the learning process and in accordance with Studypool's honor code & terms of service.

Final Answer

From what you are saying, it sounds like your transmission has gone out. Your sun gear reaction shell has likely broken. I would recommend overhauling your current transmission or buying a re-manufactured transmission from a reputable company. AC DELCO makes good replacement transmissions.

rafffy (55)
Rice University

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