Cam Sprocket
Cam SprocketREMOVAL
NOTE: Perform the work with the engine installed to body when replacing a single part.
1) Remove the V-belts.
2) Remove the crank pulley.
3) Remove the front chain cover.
4) Remove the timing chain assembly.
5) Remove the cam sprocket. To lock the camshaft, use the ST.
ST 499977500 CAM SPROCKET WRENCH
ST18231AA020 CAM SPROCKET WRENCH
INSTALLATION
1) Install the cam sprocket. To lock the camshaft, use the ST.
Tightening torque: 29.5 N-m (3.0 kgf-m, 21.8 ft-lb)
2) Further tighten the bolt.
Tightening angle:
Intake side 45°±5°
Exhaust side 25°±5°
ST 499977500 CAM SPROCKET WRENCH
ST 18231AA020 CAM SPROCKET WRENCH
3) Install the timing chain assembly.
4) Install the front chain cover.
5) Install the crank pulley.
6) Install the V-belts.
INSPECTION
1) Check the cam sprocket teeth for abnormal wear and scratches.
2) Make sure there is no free play between cam sprocket and key.