Timing Chain and Gears

Timing Chain and Gears

Service Repair No - 12.65.12.01

Disassembly

1. Remove timing gear cover gasket.





2. Fit crankshaft pulley bolt and rotate engine to align timing marks. Remove crankshaft pulley bolt.





3. Restrain camshaft gear and remove gear retaining bolt.
4. Remove timing chain and gears as an assembly.





5. Remove gears from timing chain.
6. Remove key from crankshaft.

Reassembly

1. Clean timing chain and gears and gear locations.
2. Fit key to crankshaft.





3. Temporarily fit gears to camshaft and crankshaft. If necessary, rotate shafts to align timing marks. When aligned correctly, the timing marks will face each other; crankshaft gear timing mark at twelve o'clock position and camshaft gear timing mark at six o'clock position.
4. Remove gears from shafts and fit to timing chain.
5. With timing marks aligned, fit timing chain and gears as an assembly.
6. Restrain the camshaft gear and tighten retaining bolt to 50 Nm (37 ft. lbs.).
7. Fit timing gear cover gasket.