To remove

Place the car on a hoist and turn the steering wheel full left lock.
Raise the car and put a receptacle underneath to collect any fluid spill.
Remove the front left wheel.
Remove the left outer track rod end from the steering swivel member. Use 87 91 287 puller.

Fig 1: Illustration For Step 4
Courtesy of SAAB-SCANIA OF AMERICA, INC.
Clean thoroughly around the transmission servo housing and on the subframe.
Press in the servo cover by applying a 1/2" drawbar handle with socket against the cover.

Fig 2: Illustration For Step 6
Courtesy of SAAB-SCANIA OF AMERICA, INC.
Remove the circlip.

Fig 3: Illustration For Steps 7-8
Courtesy of SAAB-SCANIA OF AMERICA, INC.
Remove the cover, piston and spring from the transmission servo housing.