944 S L4-2479cc 2.5L DOHC (1987)
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TDC mark with engine removed from car.
Adjusting with dial gages
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Align dial gage with improvised extension (205 mm long) on piston crown (cylinder 1). 3 mm pretension.
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Align second gage with hydraulic tappet of cylinder 1 intake valve. The dial gage must be aligned perpendicular to the intake valve. 3 mm
pretension.
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Remove distributor rotor and lock camshaft sprocket with 3 bolts N 5 x 15, to prevent camshaft sprocket or camshaft turning when camshaft
central bolt is slackened.
