I have an 89 Chevy suburban with 700r4 auto transmission. When driving 1st and 2nd gears are fine, shifts to 3rd fine but when accelerating and applying a load truck will not accelerate. Tranny?

Asked by uknow47 Jun 19, 2014 at 01:24 AM about the 1989 Chevrolet Suburban V10 4WD

Question type: Maintenance & Repair

Added fluid. Was low from leak. Still does it.

61,205

Andrew answered 10 years ago

700r4, the most common failure is losing 3rd and 4th. They begin to slip then go out entirely

Mark helpful

Your Answer:

I have an 89 Chevy suburban with 700r4 auto transmission. When driving 1st and 2nd gears are fine, shifts to 3rd fine but when accelerating and applying a load truck will not accelerate. Tranny? 1 Answer

Added fluid. Was low from leak. Still does it.

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