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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) >> Delay in Shifting from Neutral to Drive and Intermediate Ranges

Delay in Shifting from Neutral to Drive and Intermediate 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.
Delay in Shifting from Neutral to Drive and Intermediate Ranges

Condition Action
DEFINITION: Late shift from the N position to D and I positions or excessive shock felt when shifting into gear
  • Shift solenoid valve C inoperative
  • 1st clutch, pressure control solenoid inoperative
  • 2nd clutch, pressure control solenoid inoperative
  • TCC lock-up, pressure control solenoid inoperative
  • Shift cable broken or out of adjustment
  • Joint in the shift cable and the transmission or the body worn
  • Input speed sensor inoperative
  • Output shaft speed sensor inoperative
  • ATF temperature sensor inoperative
  • CPC valve A inoperative
  • CPC valve B inoperative
  • CPC valve C stuck
  • Foreign material in the spacer plate orifice
  • Shift valve C inoperative
  • Shift valve E inoperative
  • Servo control valve inoperative
  • 1st accumulator inoperative
  • 1st check ball stuck
  • One-way check ball stuck
  • 1st clutch inoperative
  • Inspect the MIL indicator for loose connectors.
  • Inspect the O-ring and the shift solenoid valve for seizure.
  • Inspect the valve body gasket of the AT clutch pressure control solenoid.
  • Inspect the ATF feed pipes for wear and damage.
  • Inspect the CPC valves if the AT clutch pressure control solenoid valve is stuck.
  • Inspect for a loose shift cable at the shift lever and the transmission control lever.
  • Inspect the 1st clutch pressure.
  • Inspect the clutch piston, the clutch piston check valve, and the O-rings.
  • Inspect the clutch piston return 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.