Audi A8 2003 Workshop Manual page 119

8-cylinder TDI engine (4.2 ltr. 4-valve common rail), mechanics - Edition 12.2013
Note
Note the use-by date of the sealant.
– Cut off tube nozzle at front marking (diameter of nozzle ap‐
prox. 1.5 mm).
– Fill grooves -arrow- in cylinder head gaskets with sealant
(grooves already cleaned).
Note
The sealant beads must not be thicker than specified, other‐
♦
wise excess sealant could enter the sump and clog the strainer
in the oil pump.
The timing chain covers must be installed within 5 minutes af‐
♦
ter applying sealant.
– Insert sealing elements -2- and -5-
– Apply beads of sealant onto clean sealing surfaces of timing
chain cover (bottom) as illustrated.
• The grooves on the sealing surfaces -1- and -4- and around
drillings -3- and -6- must be completely filled with sealant.
• The beads of sealant must project 1.5 ... 2.0 mm above the
sealing surface.
• Apply bead of sealant onto sealing elements as well.
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with respect to the correctness of information in this document. Copyright by AUDI AG.
Audi A8 2003 ➤
113
1. Chain drive