Hummer H2. Manual — part 2350

Fig. 427: 3-4 Accumulator Spring & Piston
Courtesy of GENERAL MOTORS CORP.

3. Install the 3-4 accumulator piston (44) and seal assembly into the bore.

4. Inspect the 3-4 accumulator spring (46) for cracks.

5. Install the 3-4 accumulator spring.

1-2 ACCUMULATOR DISASSEMBLE

IMPORTANT: Some models do not use a 3-4 accumulator spring.

2004 Hummer H2

2004 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E (Introduction) - Hummer H2

Fig. 428: Identifying Accumulator Housing, Accumulator Piston, 1-2 Inner & Outer Accumulator
Springs
Courtesy of GENERAL MOTORS CORP.

1. Blow air into the 1-2 accumulator housing (57) to remove the 1-2 accumulator piston (56).

2. Remove the 1-2 inner (104) and outer (54) accumulator springs.

1-2 ACCUMULATOR ASSEMBLE

2004 Hummer H2

2004 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E (Introduction) - Hummer H2

Fig. 429: Inspecting 1-2 Accumulator Piston
Courtesy of GENERAL MOTORS CORP.

1. Inspect the 1-2 accumulator piston (56) for the following conditions:

z

Porosity

z

Cracks

z

Scoring

z

Nicks and Scratches

2. Install a 1-2 accumulator piston oil seal ring (55) on the 1-2 accumulator piston (56).

2004 Hummer H2

2004 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E (Introduction) - Hummer H2

Fig. 430: Inspecting 1-2 Accumulator Housing
Courtesy of GENERAL MOTORS CORP.

3. Inspect the 1-2 accumulator housing for the following conditions:

z

Porosity

z

Cracks

z

Scoring

z

Nicks and Scratches

z

Debris or blocked passages

2004 Hummer H2

2004 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E (Introduction) - Hummer H2