Chevrolet Silverado / GMC Sierra. Service manual — part 913

Fig. 247: Using J 24459-5 And J 43770 To Compress Converter Flow Valve Spring
Courtesy of GENERAL MOTORS CORP.

5. Align J 43770 (5) and J 24459-5 (4) with the oil pump cover so that the following

conditions are met:. See Special Tools.

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

The threaded rod is facing down.

Two bolt holes align with 2 bolt holes in the oil pump cover.

6. Install J 43770 (5) onto the oil pump cover assembly (1). See Special Tools.

7. Install 2 oil pump cover retaining bolts (2).

8. Align the slot in J 24459-5 (4) to allow installing the retainer pin (3). See Special Tools.

9. Using J 24459-5 (4) and J 43770 (5), compress the TCC valve spring until the retainer pin

(3) can be installed. See Special Tools.

10. Install the pin through oil pump cover (1). Make sure the pin is below the oil pump cover

surface.

11. Relieve the TCC valve spring tension.

12. Remove J 24459-5 (4) and J 43770 (5). See Special Tools.

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

Fig. 248: View Of Converter Relief Valve & Spring
Courtesy of GENERAL MOTORS CORP.

13. Install the TCC relief valve (1) and spring (2).

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

Fig. 249: Converter Relief Valve Spring Retaining Clip & J 43773
Courtesy of GENERAL MOTORS CORP.

14. Using J 43773 (2), compress the TCC relief valve spring until the retaining clip (1) can be

installed. See Special Tools.

15. Install the clip. Make sure the retaining clip is below the surface of the oil pump cover.

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado