LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2005 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 222 (Automatic Transmission - 5L40-E/5L50-E - Service, Diagnosis & Trouble Shooting) >> No Engine Braking

No Engine Braking

WARNING: This page is about a different car, the 2005 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
No Engine Braking

Check Causes
DEFINITION: A large engine RPM increase and forward vehicle speed decrease do not immediately occur when the transmission is shifted from overdrive or fourth gear in Drive or manual third range to either first, second gear, or third gear, manual second.
Coast Clutch
  • Damaged or cut piston
  • Damaged or worn clutch plates
  • Damaged or stuck ball check valve
Overdrive Clutch
  • Damaged or cut piston
  • Damaged or worn clutch plates