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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1004 (Automatic Transmission - 4L80-E/4L85-E (Troubleshooting)) >> Troubleshooting >> No Engine Braking - D2

No Engine Braking - D2

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
No Engine Braking - D2

Checks Cause
Bushing (234) Worn or damaged
Thrust Washer (218) Worn or damaged
Rear Gear set Spalled or broken
Reaction Drum and Carrier (651) Broken
Mainshaft (662) The shaft or the splines are broken.
Output Shaft (671) The shaft or the splines are broken.
Sun Gear Shaft (649) The shaft or the splines are broken.