Remove crankshaft timing belt sprocket. Lock timing belt sprocket with counterholder -T30004- or -MP 1-310 -
Note
When screwing on the counterholder place 2 washers between the timing belt gear and the counterholder.
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To guide the gasket ring extractor, screw central bolt by hand fully into the crankshaft.
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Unscrew inner part of the gasket ring extractor -MP 1-226- two turns out of the outer part and lock with knurled screw.
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Oil the thread head of the gasket ring extractor -MP 1-226-, position and forcely screw into the gasket ring as far as possible.
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Release knurled screw and turn the inner side against the crankshaft until the gasket ring is pulled out.
Install elastomer gasket ring.
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Check crankshaft for traces of wear.
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Lightly oil the sealing lip of the gasket ring.
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Install insertion sleeve -MP 1-314- on the crankshaft stub.
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Slide gasket ring over the insertion sleeve.
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Press in the gasket ring flush using the -MP 1-315- insertion sleeve. Use the old central screw for the crankshaft timing belt sprocket for this purpose.
No traces of wear on the crankshaft:
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Press in the gasket ring flush.
Traces of wear on the crankshaft:
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Press in the gasket up to the stop.
Install PTFE gasket ring
Note
The sealing lips of the gasket ring must be neither oiled nor greased.
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Remove oil residue on the crankshaft stub with a clean cloth.
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Install -T10053/1- guide bushing on the crankshaft stub.
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Slide gasket ring over the guide bushing onto the crankshaft stub.
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Press in gasket ring with pressure bushing -T10053- up to the stop.
Use the old central screw for the crankshaft timing belt sprocket for this purpose.
Proceed as follows for both versions
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Install timing belt gear crankshaft and lock with counterholder -T30004 - or counterholder -MP 1-310-.
Note
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When screwing on the counterholder place 2 washers between the timing belt gear and the counterholder.
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Replace central screw for toothed belt gear - crankshaft.
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When tightening the central screw, the crankshaft must not turn.
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Tighten new central bolt for crankshaft toothed belt sprocket to 90 Nm + torque a further 90° (1/4 turn).