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ENGINE <4D6> -
On-vehicle Service
11C-14
5. Turn the crankshaft anti-clockwise by 1/2 the width of
a camshaft sprocket tooth in order to take up the slack
in the idler pulley belt (the side where the belt is slack).
6. Loosen the timing belt tensioner mounting bolt by 1/4
- 1/3 a turn, and use the force of the tensioner spring
to apply tension to the belt.
7. Turn the crankshaft anti-clockwise again by the width
of three camshaft sprocket teeth.
8. Securely tighten the timing belt tensioner mounting bolt.
9. Turn t h e crankshaft clockwise to align the timing mark.
10. Press the belt at the point between the camshaft sprocket
and the injection pump sprocket with your index finger
to check the belt deflection.
Standard value: 4.0 - 5.0 mm
11. Install the timing belt upper cover.
12. Install the glow plugs and the glow plug plate.
1/2 the
width of
a tooth
Timing mark
Timing mark
Timing mark
Width
of 2-1/2
teeth
1/2 the
width of
a tooth
Timing mark
Injection
pump
sprocket
Deflection
Camshaft
sprocket