Rear ride height setting

Set rear ride height after replacing rear suspension components such as trailing arms, torsion plates or torsion bars. Initial setting of rear torsion bars is covered in 420 Rear Suspension, Axle Shafts.

Measure Height Porsche 993

• Before setting wheel load and vehicle height, bounce vehicle a few times to let the suspension settle into the normal ride height position.

• On cars fitted with Bilstein shocks, the "normal ride height position" can vary with the car in the rest position. Pulling the suspension up or pushing it down at the bumper can result in different ride height positions. When checking or adjusting the ride height, manually position the car in the 'mean' or middle position.

^ Measure from floor to center of rear wheel dust cap to obtain dimension A.

• Measure from floor to center of torsion bar cover to obtain dimension B

^ Adjust to specifications using height-adjusting eccentric.

Rear Ride Height

• Max. difference between left and right 8 mm (0.3 in.)

' Height-adjustment specifications apply to new vehicles. Older vehicles can be up to 10 ±5 mm (0.4 ± 0.2 in.) lower.

• The two-piece torsion plate is set at the factory so that the vehicle can be raised with the height adjustment eccentric, but not lowered.

Tightening Torque

• Clamping or eccentric bolt 245 Nm (181 ft-lb)

911 Ride Height Adjustment

■VrfS 0019052

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