16 ENGINE 139
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–
Remove the small camshaft bearing using special tool
.
Insert for bearing puller (15112018100) ( p. 228)
Bearing puller (15112017000) ( p. 228)
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–
Press in the small camshaft bearing as far as possible using special tool
.
Push-in drift (75029044020) ( p. 234)
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–
Press in the large camshaft bearing as far as possible using special tool
.
Push-in drift (75029044010) ( p. 234)
Finishing work
– Install the rocker arm. ( p. 142)
16.4.22 Removing the valves
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– Pretension the valve springs using the special tool.
Valve spring compressor (59029019000) ( p. 230)
Valve spring mounting device (78029060000) ( p. 237)
– Remove the valve keys and release the tension on the valve springs.
– Remove the spring retainer and spring.
– Pull the valve down and out of the valve guide, and remove the valve stem seal and
valve spring seat.
300117-10
– Mark the valves according to their normal built-in position.
Info
Place the valves into a box according to the installation position and label
the box.
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