Chevrolet Silverado / GMC Sierra. Service manual — part 1159

Tighten: Tighten the accumulator bolt to 11 N.m (8.11 lb ft).

Fig. 497: View Of 1-2 Accumulator Housing And Bolts
Courtesy of GENERAL MOTORS CORP.

8. Install the 1-2 accumulator housing assembly (57 or 116).

9. Install the 1-2 accumulator housing bolts (58, 59 or 117, 118).

Tighten:

Tighten the bolts 58 and 59 to 11 N.m (8 lb ft).

Tighten the bolts 117 and 118 to 8-14 N.m (6-10 lb ft).

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis

Silverado, Sierra & Silverado

CONTROL VALVE BODY INSTALLATION

Special Tools

J 25025-5 Dial Indicator Mounting Post-M6 x 1. See Special Tools.00

J 36850 Transjel Lubricant. See Special Tools.

Installation

Fig. 498: Identifying Secondary Fluid Pump Connector
Courtesy of GENERAL MOTORS CORP.

IMPORTANT: Secondary fluid pump connector (1) is used for M33 models

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis

Silverado, Sierra & Silverado

1. Inspect the wiring harness and solenoid assembly for the following conditions:

Damage

Cracked connectors

Exposed wires

Loose electrical terminals

Damaged wiring loom and conduit

Worn, missing, or cut pass-through connector O-ring seal.

2. Install the transmission wiring harness pass-through connector into the transmission case.

Ensure connector tabs lock into place.

3. Move the harness to one side in order to install the valve body.

only, connector (2) is used on ISS models.

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis

Silverado, Sierra & Silverado

Fig. 499: Identifying Checkball Installation Positions
Courtesy of GENERAL MOTORS CORP.

4. Install the ball check valves (2-6, 8, 12) in the valve body and retain ball check valves with

IMPORTANT: Valve bodies are model dependent.

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis

Silverado, Sierra & Silverado