Toothed Belt, Removing and Installing

Toothed Belt, removing and installing

Special tools and equipment

Socket head fastener T10092:

Pin T40011:

Removing

Engine in vehicle.
Lock carrier must be in service position. Refer to Body and Frame - Radiator Support - Service and Repair - Procedures [1][2]Procedures






- Remove engine cover -arrows-.
- Remove ribbed belt and tensioner for ribbed belt. Refer to Drive Belts, Mounts, Brackets and Accessories - Drive Belt - Service and Repair - Procedures Service and Repair






- Secure pulley for viscous fan with pin punch -1- and unscrew using Allen key -2-.
- Remove viscous fan from mounting.
- Remove upper toothed belt guard.
- Mark direction of rotation of belt with chalk or felt pen.






- Set crankshaft to markings for TDC of No. 1 cylinder by turning central bolt on crankshaft sprocket in direction of rotation -arrows-.






- Unbolt vibration damper.






- Unbolt lower and center section of toothed belt guard -arrows-.






- Attach socket head fastener T10092 into the tensioner for toothed belt.
- Only tension pressure piston of tensioner until pressure piston is secured with pin T40011.
- Take off toothed belt.

Installing (adjusting valve timing)

Note: The position of the toothed belt must be set as described below, even after repairs in which the belt is only taken off the camshaft sprocket.
When turning the camshaft, the crankshaft must not be at TDC at any cylinder. There is a danger of damage to valves/piston crown.






- Align marking on camshaft sprocket with marking at cylinder head cover.
- Place toothed belt on crankshaft sprocket observe direction of rotation).
- Install toothed belt guard - lower part.
- Secure vibration damper/belt pulley with one bolt (note installation arrangement).
- Set crankshaft to TDC for cylinder No. 1.
- Install toothed belt onto coolant pump, then tensioning roller, and finally camshaft sprocket.






- Unscrew socket head fastener T10092.
- Pull out pin T40011 from tensioner.
The pressure piston of the tensioner for the toothed belt loosens.






- Turn crankshaft two full turns in direction of rotation (by turning central bolt on crankshaft sprocket) and check that camshaft and crankshaft marks align with their reference points.
- Install vibration damper/belt pulley.
- Install toothed belt guard (center and top sections).
- Install viscous fan. Refer to Cooling System - Cooling Fan, Radiator - Fan Clutch - Service and Repair - Procedures Service and Repair
- Install ribbed belt and tensioner for ribbed belt. Refer to Drive Belts, Mounts, Brackets and Accessories - Drive Belt - Service and Repair - Procedures Service and Repair

Tightening torques