Operation CHARM: Car repair manuals for everyone.
Home >> Chevrolet >> 2009 >> HHR L4-2.2L >> Repair and Diagnosis >> Transmission and Drivetrain >> Automatic Transmission/Transaxle >> Service and Repair >> Overhaul >> Intermediate/Fourth Servo Assemble and Installation
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Intermediate/Fourth Servo Assemble and Installation




Intermediate/Fourth Servo Assemble and Installation




1. Install the servo cushion springs (68) and the servo piston (77) onto the servo pin (76).
2. Install the snap ring (70) onto the servo pin (76) in order to retain the springs (68) and piston (77).
3. Install the new seals (78 and 79) onto the servo piston (77) and the servo cover (80).
4. Install the servo piston assembly into the servo cover (80). Lubricate the piston seals with transmission fluid in order to aid in assembly.




5. Install the servo return spring (75) into the transmission case (51).
6. Install the servo cover (80) and the piston assembly over the servo return spring (75).

Caution: Hand tighten servo bolts to prevent bore damage.

Caution: Refer to Fastener Caution (Fastener Caution).

7. Install the three servo cover bolts (25). Hand start the bolts. Tighten the bolts to 12 Nm (9 lb ft).

pro multis · About Operation CHARM