Overrun Clutch Assembly Disassemble

WARNING: This page is about a different car, the 2007 GMC Yukon XL and 2007 Chevrolet Suburban. However, it is still accessible from the selected car via links, so may be relevant.

Tools Required

J 38734 Intermediate Spring Compressor Adapter. See Special Tools .
J 23327 Clutch Spring Compressor. See Special Tools .

Fig 1: View Of Overdrive Clutch Roller Assembly

GM774707

Courtesy of GENERAL MOTORS CORP.

Separate the overdrive carrier assembly (514) from the overrun clutch housing assembly (504).
Remove the overdrive clutch roller assembly (512) from the overrun clutch housing assembly (504).

Fig 2: View Of Overrun Clutch Backing Plate Retainer Ring

GM31112

Courtesy of GENERAL MOTORS CORP.

Remove the overrun clutch backing plate retainer ring (511) from the overrun clutch housing assembly (504).

Fig 3: Identifying Inspection Areas On Overrun Clutch Plates

GM54673

Courtesy of GENERAL MOTORS CORP.

Remove the overrun clutch backing plate (510) and the overrun clutch plates (508, 509).
Inspect the overrun clutch plates (508-510) for burning, scoring, flaking, pitting, and wear.

Fig 4: View Of Overrun Clutch Spring & Piston Assembly

GM31115

Courtesy of GENERAL MOTORS CORP.

Using the J 23327 and the J 38734 , remove the overrun clutch spring assembly (506). See Special Tools .
Remove the overrun clutch spring retainer ring (507).
Remove the tools.
Remove the overrun clutch spring assembly (506).
Remove the overrun clutch piston assembly (505).

Fig 5: Locating Inspection Areas On Overrun Clutch Spring Assembly

GM31116

Courtesy of GENERAL MOTORS CORP.

Inspect the overrun clutch spring assembly (506) for collapsed coils and distortion.
Inspect the overrun clutch piston assembly (505) for cracks and a cut seal.
Inspect the overrun clutch housing assembly (504) for wear, clogged lubrication holes, and damaged thrust surfaces.