Variable Valve Timing Actuator: Service and Repair

Operation number: 21557-2

VVT unit






Removal

Remove the crankshaft seal, front Refer to: Crankshaft front seal, B6304T4, TF-80SC AWD, B6324S5, TF-80SC AWD, B6324S5, TF-80SC, B6324S4, TF-80SC AWD, B6324S4, TF-80SC Service and Repair




Torque: M6, 10 Nm




Rotate the crankshaft until piston No. 1 is at top dead center (TDC).
999 7257 Wrench 999 7257 Wrench




999 7271 Support 999 7271 Support








999 7261 Position sensor 999 7261 Position sensor

Remove the outer gasket, timing cover Refer to: Gasket, outer timing cover, B6304T4, B6324S5, B6324S4 Gasket, Outer Timing Cover




999 7263 Counterhold 999 7263 Counterhold 999 7264 Counterhold 999 7264 Counterhold 999 7272 TORX 60 999 7272 TORX 60








Torque: VVT unit, center screw, 30 Nm

Installation








Torque: M7, 17 Nm




999 7264 Counterhold 999 7264 Counterhold 999 7263 Counterhold 999 7263 Counterhold 999 7272 TORX 60 999 7272 TORX 60
1. Torque: Centre bolt, exhaust camshaft Stage 1: 75 Nm Stage 2: 90 degree

2. Torque: Centre bolt, intake camshaft, 110 Nm




999 7257 Wrench 999 7257 Wrench

Install gasket outer timing gear casing Refer to: Gasket, outer timing cover, B6304T4, B6324S5, B6324S4 Gasket, Outer Timing Cover




999 7261 Position sensor 999 7261 Position sensor




Torque: M12, 80 Nm




999 7271 Support 999 7271 Support

Install crankshaft seal, front Refer to: Crankshaft front seal, B6304T4, TF-80SC AWD, B6324S5, TF-80SC AWD, B6324S5, TF-80SC, B6324S4, TF-80SC AWD, B6324S4, TF-80SC Service and Repair