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.

1 Answer

60,435

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

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