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Crankshaft pulley - removal and refitting
In-car engine repair procedures / Crankshaft pulley - removal and refitting


1 Remove the auxiliary drivebelt - either remove the drivebelt completely, or just secure it clear of the crankshaft pulley, depending on the work to be carried out (see Chapter 1).

2 If necessary, rotate the crankshaft until the timing marks align (see Section 4).

3 The crankshaft must now be locked to prevent its rotation while the pulley bolt is unscrewed. Proceed as follows: (a) If the engine/transmission is still installed in the vehicle:
(1) If the vehicle is fitted with manual transmission, select top gear, and have an assistant apply the brakes hard.

(2) If the vehicle is fitted with automatic transmission, unbolt the small metal cover plate from the sump, and use a large screwdriver or similar to lock the driveplate ring gear teeth while an assistant slackens the pulley bolt; take care not to damage the teeth or the surrounding castings when using this method.

(b) If the engine/transmission has been removed but not yet separated: (1) If the vehicle is fitted with manual transmission, remove the starter motor (see Chapter 5) and lock the flywheel using the method outlined in (2) above.

(2) If the vehicle is fitted with automatic transmission, see (2) above.

(c) If the engine/transmission has been removed and separated, use the method shown in illustration 21.11.

4 Unscrew the pulley bolt and remove the pulley (see illustrations).

8.4A Unscrew pulley bolt to release crankshaft pulley
8.4A Unscrew pulley bolt to release crankshaft pulley

8.4B Ensure pulley is located on crankshaft Woodruff key on reassembly
8.4B Ensure pulley is located on crankshaft Woodruff key on reassembly

5 Refitting is the reverse of the removal procedure; ensure that the pulleyТs keyway is aligned with the crankshaftТs locating key, and tighten the pulley bolt to the specified torque wrench setting.


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