DSG-423 ENGINE
02-38
12.Install the camshafts and bearing caps. Tighten bolts
in sequence shown in three stages:
• Stage 1: Tighten finger tight
• Stage 2: Tighten to 7 Nm (62 lb-in)
• Stage 3: Tighten to 16 Nm (12 lb-ft).
CAUTION: The crankshaft, the crankshaft sprocket
and the pulley are fitted together by friction, with
diamond washers between the flange faces on each
part. The diamond washers must be installed
correctly or severe engine damage can result.
13. Install washers and oil pump chain and sprockets.
NOTE: The crankshaft sprocket flange must be facing
away from the engine block.
14.Holding the oil pump chain sprocket in place, tighten
oil pump sprocket bolt:
• Tighten to 25 Nm (18 lb-ft).
15.Install oil pump chain guide and shoulder bolt:
• Tighten to 10 Nm (89 lb-in).
16.Install oil pump chain tensioner. Hook spring around
shoulder bolt and tighten:
• Tighten to 10 Nm (89 lb-in).
NOTE: Sprockets must turn freely on the camshafts.
17.Position camshaft sprockets and loosely install bolts.
CAUTION: Do not compress the ratchet assembly.
This will damage the ratchet assembly.
18.Using the edge of a vise, compress the timing chain
tensioner plunger.
Guide
Tensioner
Washers
Oil Pump
Sprocket
Chain
Engine
Block
Side
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