DSG-423 ENGINE
02-20
6. Install exhaust pipe to manifold.
7. Install accessory drive belt -- refer to Section 6.
8. Connect battery negative cable -- refer to Section 6.
9. Install or reconnect any other components removed
or disconnected.
Cylinder Head - Removal
CAUTION: The crankshaft, the crankshaft sprocket
and the pulley are fitted together by friction, with
diamond washers between the flange faces on each
part. For that reason, the crankshaft sprocket is
also unfastened if you loosen the pulley. Therefore,
the engine must be retimed each time the damper is
removed. Otherwise severe damage can occur.
1. Disconnect negative battery cable -- refer to Section
6.
2. Remove and/or disconnect components to allow
access and removal of the cylinder head. Label if
necessary to allow for correct reinstallation.
3. Remove camshaft cover -- Refer to“Camshaft Cover
- Removal” on page 6 of this section.
4. Remove the camshafts -- Refer to“Camshafts -
Removal” on page 18 of this section.
5. Remove exhaust manifold -- Refer to“Exhaust
Manifold - Removal” on page 19 of this section.
6. Remove fuel rail -- refer to Section 4.
7. Remove and discard cylinder head bolts.
8. Remove and discard gasket.
9. Inspect mating surfaces -- refer to Section 1.
Cylinder Head - Installation
CAUTION: Do not use metal scrapers, wire brushes,
power abrasive discs or other abrasive means to
clean the sealing surfaces. These tools cause
scratches and gouges which make leak paths. Use
a plastic scraping tool to remove all traces of old
head gasket.
1. Clean the mating surface of cylinder head and block,
with silicone gasket remover and metal surface prep.
Remove all traces of gasket, sealant, oil and coolant.
WARNING: OBSERVE ALL WARNINGS AND
CAUTIONS AND FOLLOW ALL APPLICATION
DIRECTIONS CONTAINED ON THE PACKAGING OF
THE SILICONE GASKET REMOVER AND METAL
SURFACE PREP.
CAUTION: Failure to follow this procedure can
cause future oil leakage.
NOTE: Do not attempt to make the metal shiny. Some
staining of the metal surfaces is normal.
Bolt
Head
Gasket
Block
Coolant Pipes
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