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Chevrolet Silverado / GMC Sierra. Manual - part 1268
Fig. 32: 5 Speed Transmission Hydraulic Clutch System
Courtesy of GENERAL MOTORS CORP.
The reservoir, which is part of the master cylinder, supplies the fluid at the front of the master
cylinder through the center feed port (1). The center feed ports allow the flow of fluid from the
reservoir to the cylinder when the pedal is in the complete returned position. The master cylinder
uses a spring (3) to return the piston (2) to the clutch engagement position. A bleeder screw (4) is
located at the clutch actuator cylinder for bleeding the hydraulic system.
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Clutch - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 33: Clutch Pedal Reserve
Courtesy of GENERAL MOTORS CORP.
Clutch pedal reserve is necessary in order for the clutch to be completely disengaged and allow
proper transmission shifting. Clutch pedal reserve is the movement of the pedal after the clutch
has fully released. The distance from clutch full release (2) to pedal fully down (1) is the clutch
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Clutch - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
reserve dimension, typically 25-38 mm (1.0-1.5 in).
In order to test to determine if the clutch is properly releasing, and the hydraulic system is
functioning properly:
1. Depress the clutch pedal fully to disengage the clutch.
2. Shift into a low gear, either 1st or REVERSE.
3. Slowly shift out of the gear, only to disengage the synchronizer sleeve from the speed gear
engagement teeth.
4. Let up on the pedal, to engage the clutch.
5. Depress the clutch pedal and shift back into gear.
If the clutch is releasing properly, you should be able to engage the gear without grinding after 4-
5 seconds, which is the time for the clutch disc to quit spinning.
Clutch System Components
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Clutch - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
2008 ACCESSORIES & EQUIPMENT
Collision Repair - - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
SPECIFICATIONS
DIMENSIONS - BODY
Body Side Dimensions (Crew Cab)
Fig. 1: Body Side Dimensions (Crew Cab)
Courtesy of GENERAL MOTORS CORP.
Body Side Dimensions (Extended Cab)
2008 Chevrolet Silverado 1500
2008 ACCESSORIES & EQUIPMENT Collision Repair - - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
2008 Chevrolet Silverado 1500
2008 ACCESSORIES & EQUIPMENT Collision Repair - - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
Microsoft
Friday, August 21, 2009 2:20:58 PM
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© 2005 Mitchell Repair Information Company, LLC.
Microsoft
Friday, August 21, 2009 2:21:06 PM
Page 1
© 2005 Mitchell Repair Information Company, LLC.