968 Cabriolet L4-2990cc 3.0L DOHC (1993)
Timing Belt: Service and Repair
Timing Belt and Balance Shaft Belt Replace
REMOVAL
CAUTION: As a rule make sure the toothed belts and drive belts are not kinked during assembly, packing and storage. Improper handling may cause
incipient damage to the camshaft toothed belts and may eventually lead to engine damage.
TDC Marks
Camshaft Position TDC
TDC Mark (Flywheel)
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Turn engine in direction of rotation and set cylinder 1 to firing TDC.
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Remove engine undertray. Slacken and take off Poly-Rib belt for air conditioning compressor/alternator and belt for power pump.
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Loosen crankshaft bolts, remove toothed belt cover, guide rail (balance shaft belt) as well as toothed belt.
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Take guide rail off coolant pump housing and toothed belt tensioner off support. The toothed belt tensioner may be taken off in forward direction
without having to lock the parts.
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Remove tensioner lever and take off toothed belt.
CAUTION: Never continue to rotate engine if the toothed camshaft belt is not fitted of has not been tightened since this may to valve damage.
INSTALLATION
Pre-tensioning the hydraulic toothed belt tensioner
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After removal, the hydraulic toothed belt tensioner must be pre-tensioned in a vise. Fit aluminum jaws into vise. Insert the crank- shaft bolt washer
