Chevrolet Silverado / GMC Sierra. Service manual — part 2948

inside measurement. Either variation will determine the correct height.

1

Transfer Case Four Wheel Drive Clutch Pressure -
Friction - Plates (Qty: 8)
Tip: Install the friction and steel clutch plates into the
DT-48213 , alternating until 8 friction plates and 7 steel
plates are installed. See Special Tools.

2

Transfer Case Four Wheel Drive Clutch Pressure - Steel
- Plates (Qty: 7)
Tip: Install the friction and steel clutch plates into the
DT-48213 , alternating until 8 friction plates and 7 steel
plates are installed. See Special Tools.

Procedure 1 - Outside Measurement:

1. Tighten the DT-48213 until the upper portion of

the tool contacts the lower portion of the tool. See
Special Tools. The screw will be flush with the
bottom surface of the tool to indicate the tool has
fully compressed the clutch plates.

2. Using an outside caliper, measure the total

combined height of the clutch pack and the DT-
48213 , dimension a. See Special Tools. Subtract
the thickness of both the upper and lower portion
of the DT-48213 , 14 mm (0. See Special
Tools.551 in), and record the results.

3. Repeat the process in 2 additional locations, 120

degrees from each other.

4. The average of the 3 measurements is the clutch

pack height.

Procedure 2 - Inside Measurement:

1. Tighten the DT-48213 until the upper portion of

the tool contacts the lower portion of the tool. See
Special Tools. The screw will be flush with the
bottom surface of the tool to indicate the tool has
fully compressed the clutch plates.

2. Using an inside caliper, measure the height of the

clutch pack, dimension b, and record the results.

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Transfer Case - MP 3023/3024-NQH - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

Clutch Assembly Installation

Fig. 48: Clutch Assembly Installation
Courtesy of GENERAL MOTORS CORP.

3. Repeat the process in 2 additional locations, 120

degrees from each other.

4. The average of the 3 measurements is the clutch

pack height.

Special Tools:
DT-48213 Clutch Pack Height Gage. See Special
Tools.

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Transfer Case - MP 3023/3024-NQH - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

Clutch Assembly Installation

Measuring/Adjusting Clutch Assembly Height

Callout

Component Name

1

Transfer Case Rear Output Shaft

2

Transfer Case Control Actuator Lever Thrust Bearing
Assembly

3

Transfer Case Control Lever

4

Transfer Case Control Actuator Lever Bearing
Assembly

5

Transfer Case Control Actuator Lever Ball (Qty: 3)

6

Transfer Case Control Actuator Lever Assembly

7

Transfer Case Control Actuator Lever Thrust Bearing
Assembly

8

Transfer Case Control Actuator Lever Washer

9

Transfer Case Four Wheel Drive Clutch Pressure -
Apply - Plate
Tip: Ensure the control actuator lever washer is seated
into the apply plate groove.

10

Transfer Case Four Wheel Drive Clutch Pressure Plate
Spring (Qty: 4)

11

Transfer Case Four Wheel Drive Clutch Hub

12

Transfer Case Four Wheel Drive Clutch Shim
Tip:

Use a 3 mm (0.118 in) shim as a base to do the
initial measurements with, this shim may be
changed in the following steps depending on the
results of the stack clearance.

Use the original shim if reassembling a transfer
case. This shim may be changed in the following
steps depending on the results of the stack
clearance.

13

Transfer Case Two/Four Wheel Drive Clutch Retaining
Ring
Tip: If the clutch shim is not seated against the retaining
ring, replace the clutch pressure plate springs.

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Transfer Case - MP 3023/3024-NQH - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Transfer Case - MP 3023/3024-NQH - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado