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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 237 (Automatic Transmission - 4L80-E/4L85-E (Service & Replacement)) >> Diagnostic Information and Procedures >> No Overrun Braking - D3

No Overrun Braking - D3

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 GMC Savana Special, 2003 GMC Savana Camper Special, 2003 GMC Savana, 2003 Chevrolet RV Cutaway, and 2003 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
No Overrun Braking - D3

Checks Cause
Clutch Plates (508, 509) The splines or the plate are worn.
Thrust Washer (218) Damaged or worn
Output Shaft (671) The shaft or the splines are broken.
Seals Cut or nicked
Checkball Leaking
Piston (505) Jammed, cracked, or damaged
Housing (504) Cracked or damaged
Sun Gear (650) Worn
Spring Assembly (506) Jammed
Oil Feed Plugged