‒ Loosen camshaft sprocket (counter-hold with 3036).
‒ → Set camshaft sprocket to TDC No. 1 cylinder by turning the cranshaft. The mark on the camshaft sprocket must be in line with the cylinder head cover.
‒ Release tensioner and remove toothed belt.
‒ Pull off camshaft sprocket and remove woodruff key from the camshaft.
‒ Screw the camshaft sprocket securing bolt with washer fully into camshaft.
‒ Unscrew inner part of oil seal extractor 2085 two turns (approx. 3 mm) out of the outer part and lock in position with the knurled screw.
‒ → Lubricate threaded head of oil seal extractor, place it in position and exerting firm pressure screw it into oil seal as far as possible.
‒ Loosen knurled screw and turn inner part of extractor against camshaft until oil seal has been extracted.
‒ Clamp flats of oil seal extractor in vice. Remove the oil seal with pliers.
Installing
‒ Lightly oil sealing lip and outer edge of oil seal.
‒ Locate seal with fitting sleeve from 10-203 and press in flush with pressure sleeve 10-203.
‒ Install camshaft sprocket and tighten (counter hold with 3036). Tightening torque: 80 Nm.
‒ Install and tension toothed belt (adjusting valve timing). .