Overrun Clutch Assembly Disassemble

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
Courtesy of GENERAL MOTORS CORP.
1. Separate the overdrive carrier assembly (514) from the overrun clutch housing assembly (504).
2. Remove the overdrive clutch roller assembly (512) from the overrun clutch housing assembly (504).
Fig 2: View Of Overrun Clutch Backing Plate Retainer Ring
Courtesy of GENERAL MOTORS CORP.
3. 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
Courtesy of GENERAL MOTORS CORP.
4. Remove the overrun clutch backing plate (510) and the overrun clutch plates (508, 509).
5. Inspect the overrun clutch plates (508-510) for burning, scoring, flaking, pitting, and wear.
Fig 4: View Of Overrun Clutch Spring & Piston Assembly
Courtesy of GENERAL MOTORS CORP.
6. Using the J 23327  and the J 38734  , remove the overrun clutch spring assembly (506). See Special Tools .
7. Remove the overrun clutch spring retainer ring (507).
8. Remove the tools.
9. Remove the overrun clutch spring assembly (506).
10. Remove the overrun clutch piston assembly (505).
Fig 5: Locating Inspection Areas On Overrun Clutch Spring Assembly
Courtesy of GENERAL MOTORS CORP.
11. Inspect the overrun clutch spring assembly (506) for collapsed coils and distortion.
12. Inspect the overrun clutch piston assembly (505) for cracks and a cut seal.
13. Inspect the overrun clutch housing assembly (504) for wear, clogged lubrication holes, and damaged thrust surfaces.