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Toothed Belt Tension, Adjust
Note: Adjustment is
carried out with the engine cold – at room temperature.
 Remove
Remove air cleaner housing with air intake hose and hot film
mass air flow meter – see illustration "Air Ducts".
Remove upper part of toothed belt cover – see operation
"Toothed Belt Cover – Upper Part, Remove and Install".
For version with AC: Remove ribbed V-belts – see operation
"Ribbed V-belts, Remove and Install".
Remove V-belt – see operation "V-belt, Remove and
Install".
Remove lower part of toothed belt cover – see operation
"Toothed Belt Cover – Lower Part, Remove and Install".
 Adjust
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Tension toothed belt:
At fastening bolt of toothed belt drive gear, turn crankshaft in
engine rotational direction to TDC – mark on toothed belt
drive gear must align with mark on the oil pump.
Release fastening bolt (2) of the toothed belt tension
roller.
Turn adjusting eccentric (1) in direction of arrow
(anti-clockwise) until pointer is located just before right stop
– tighten fastening bolt (2).
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Adjustment of new toothed belt:
At fastening bolt of toothed belt drive gear, turn crankshaft
two turns (720°) in engine rotational direction to TDC –
mark (1) on toothed belt drive gear must align with mark (2) on the
oil pump.
Release fastening bolt (6) slightly and turn adjuster eccentric
(5) in direction of arrow (clockwise) until pointer (3) on toothed
belt tension roller aligns with the notch mark (4).
Tighten fastening bolt (6) of toothed belt tension roller
– tightening torque 25 Nm / 18 lbf. ft.
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Inspect
At fastening bolt of toothed belt drive gear, turn crankshaft
two turns (720°) in engine rotational direction to TDC –
mark (1) on toothed belt drive gear must align with mark (2) on the
oil pump. Check adjustment of toothed belt tension roller. If the
pointer (3) does not align with the notch mark (4), repeat the
adjustment procedure.
Adjust
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Run-in Toothed Belt, Adjust:
At fastening bolt of toothed belt drive gear, turn crankshaft
two turns (720°) in engine rotational direction to TDC –
mark (1) on toothed belt drive gear must align with mark (2) on the
oil pump.
Release fastening bolt (6) slightly and turn adjuster eccentric
(5) in direction of arrow (clockwise) until pointer (3) on toothed
belt tension roller is approx. 4 mm/0.16 in to the left of the
notch mark (4).
Tighten fastening bolt (6) of toothed belt tension roller
– tightening torque 25 Nm / 18 lbf. ft.
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Inspect
At fastening bolt of toothed belt drive gear, turn crankshaft
two turns (720°) in engine rotational direction to TDC –
mark (1) on toothed belt drive gear must align with mark (2) on the
oil pump. Check adjustment of toothed belt tension roller. If the
pointer (3) is not approx. 4 mm to the left of the notch marks (4),
repeat the adjustment procedure.
Install
Install lower part of toothed belt cover – see operation
"Toothed Belt Cover – Lower Part, Remove and Install".
Install V-belt – see operation "V-belt, Remove and
Install".
For version with AC: Install ribbed V-belt – see operation
"Ribbed V-belt, Remove and Install".
Install upper part of toothed belt cover – see operation
"Toothed Belt Cover – Upper Part, Remove and Install".
Install air cleaner housing with air intake hose and hot film
mass air flow meter – see illustration "Air Ducts".
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