S80 T6 L6-2.9L Turbo VIN 91 B6294T (2002)
Variable Valve Timing Actuator: Service and Repair
Camshaft Seal/Variable Valve Timing (VVT) Unit, Replacing
Camshaft seal / variable valve timing (VVT) unit, replacing
Special tools:
999 5452 CAMSHAFT ADJUSTMENT TOOL See: Tools and Equipment/999 5452 Camshaft Adjustment Tool
999 5651 Extractor See: Tools and Equipment/999 5651 Extractor
999 5718 Drift See: Tools and Equipment/999 5718 Drift
999 5719 Drift See: Tools and Equipment/999 5719 Drift
999 5451 ADJUSTMENT TOOL See: Tools and Equipment/999 5451 Adjustment Tool
999 5919 PULLER See: Tools and Equipment/999 5919 Puller
999 5450 PUNCH See: Tools and Equipment/999 5450 Punch
Removing the front camshaft seal
Note! The illustrations in this service information are used for different model years and / or models. Therefore there may be some variation.
However, the essential information in the illustrations is always correct.
Caution! There are a number of versions of the variable valve timing unit. Therefore it is extremely important to always read the information
referring to the engine variant/model year to be remedied.
Removing the rear camshaft seal
To remove the rear camshaft seal, see Removing/Installing the rear camshaft seal.
Preparation
Note! Stop the current supply by disconnecting the battery negative lead. First read Battery, disconnecting See: Starting and
Charging/Battery/Service and Repair/Procedures/Battery, Disconnecting.
Remove the timing belt from the timing gear pulley for the camshafts. See Replacing the timing belt See: Timing Belt/Service and Repair/Removal and
Replacement.
Check the tensioner and idler pulleys. See Replacing the timing belt See: Timing Belt/Service and Repair/Removal and Replacement.
Remove the camshaft position (CMP) sensor housings and the trigger wheels.
Removing the variable valve timing unit / timing gear pulley
Install adjustment tool 999 5452 CAMSHAFT ADJUSTMENT TOOL See: Tools and Equipment/999 5452 Camshaft Adjustment Tool at the rear of the
camshafts. Screw the adjustment tool sections together into one.
Remove:
-
the centre plugs for the variable valve timing units (Tx55)
-
the centre screws for the variable valve timing units (Tx55). Pull or work off the variable valve timing units and timing gear pulleys.
Removing the front camshaft seal