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G.
– Unscrew securing bolts for camshaft control valves approx.
3 mm (5 turns) with socket - T10072- -arrows-.
– Pull camshaft control valve out of seat in valve timing housing
against loosened bolts.
– Completely remove securing bolts and pull camshaft control
valve out of valve timing housing.
Installing:
Caution
♦ The valve seat in the valve timing housing must not be
scored or scratched.
♦ The camshaft control valves and the valve timing housing
must be free of dirt and soiling.
♦ Ensure the camshaft control valves are protected from
knocks and impacts.
♦ Only unpack the new camshaft control valves immediately
prior to installation.
♦ The camshaft control valves must not be pulled into their
seat with the securing bolts. Only insertion by hand is per‐
mitted.
– Moisten seals with clean engine oil.
– Carefully insert camshaft control valve into housing and push
vertically to valve axis to stop by hand.
– Tighten securing bolts -arrows- to 3.8 Nm.
– Clean sealing surface on cover and cylinder head.
– If seals in cover are to be renewed
⇒ page 73
.
– Lubricate O-ring for oil channel seal
⇒ Item 11 (page 49)
and
insert in cover.
– Insert O-ring
⇒ Item 20 (page 50)
in cover.
– Remove old sealant from 3 mm holes in cylinder head gasket
-arrows-.
– Fill 3 mm holes in cylinder head gasket with sealant - AMV 174
004 01- and coat sealing surfaces on cover and sealing flange
with sealant - AMV 176 501- .
Note
With the cylinder head installed, the holes in the cylinder head
gasket are only half visible.
– Fit cover as quickly as possible.
Phaeton 2003 ➤
6-cylinder injection engine - Edition 02.2014
2. Valve gear
81