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– Remove bolts -2- and -4- and take out cover for balance shaft.
– Remove bolts -1- and -3- and take out bearing cover (front) for
balance shaft.
Caution
Take care not to damage the oil spray jets when pulling out the
balance shaft.
– Carefully pull balance shaft out of cylinder block.
Installing
Installation is carried out in the reverse order; note the following:
Note
Renew seals and O-rings.
Caution
Take care not to damage the oil spray jets when inserting the
balance shaft.
– Carefully insert balance shaft into cylinder block.
– Secure bearing cover (rear) for balance shaft -arrows-.
– Insert balance shaft into bearing cover (rear).
– Install bearing cover (front) -arrow- for balance shaft.
Note
♦
The bolts securing bearing cover (front) for balance shaft are
fitted at a later stage after performing adjustment of balance
shaft.
♦
Adjustment of balance shaft
⇒ “1.11 Removing and installing drive chain for auxiliary
.
– Install drive chain for auxiliary drives
.
Tightening torques
♦
⇒ “1.16 Balance shaft - exploded view”, page 115
Audi A8 2003 ➤
10-cylinder direct petrol injection engine (5.2 ltr. 4-valve), mechanics - Edition 10.2013
1. Chain drive
117
