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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1588 (Automatic Transmission - 5AT - Service, Diagnosis & Troubleshooting) >> No Drive in Forward Ranges

No Drive in Forward Ranges

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
No Drive in Forward Ranges

Condition Action
DEFINITION: Vehicle moves in R, but not in D, I or L position.
  • 1st gear one-way clutch inoperative
  • 1st gear worn or damaged
  • 1st clutch inoperative
  • 1st accumulator inoperative
  • Idle gears worn or damaged
  • Inspect the 1st clutch pressure.
  • Inspect the 1st/2nd clutch shaft and the 1st/coast clutch assembly for wear and damage.
  • Inspect the clutch piston and the O-rings.
  • Inspect the spring retainer for wear and damage.
  • Inspect the clutch backing-plate-to-top-disc clearance. If the clearance is out of tolerance, inspect the clutch discs and plates for wear and damage. If the discs and plates are worn or damaged, replace the discs and plates as a set. If the discs and plates are in satisfactory condition, adjust the clutch backing plate clearance.