vauxhall Workshop Repair Guides

Vauxhall Workshop Service and Repair Manuals

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Torsional Vibration Damper, Remove and Install > < Determine crankshaft bearing clearance (determine bearing clearance with Plastigage)

Astra H

Toothed Belt Drive Gear - Crankshaft Sprocket, Replace

  Remove

1.   Remove timing case
2.   Remove timing chain tensioner
•   Apply tension to timing chain tensioner
– Lock in pre-tensioned position with KM-955 (1)
•   Unscrew 2x bolts (2)
Object Number: 7361078 Size: DEFAULT


3.   Remove timing chain tension rail
•   Unscrew bolt (1)
Object Number: 7361084 Size: DEFAULT


4.   Remove timing chain sliding rail (2)
•   Unscrew 2x bolts (1)
Object Number: 8063849 Size: DEFAULT


5.   Slacken camshaft drive gear
•   Unscrew bolt
– Counterhold with KM-6347 (1) and KM-956-1 (2) on camshaft drive gear
Object Number: 8063867 Size: DEFAULT


6.   Remove timing chain (1) with camshaft drive gear and crankshaft drive gear
Object Number: 7361100 Size: DEFAULT


  Install

7.   Insert timing chain with camshaft drive gear and crankshaft drive gear
8.   Fasten camshaft drive gear
•   Tighten bolt 150 Nm
– Counterhold with KM-6347 and KM-956-1 on camshaft drive gear
9.   Install timing chain sliding rail
•   Tighten 2x bolt 9 Nm
10.   Install timing chain tension rail
•   Tighten bolt 9 Nm
11.   Install timing chain tensioner
•   Tighten 2x bolt 9 Nm
•   Apply tension to timing chain tensioner
– Remove KM-955
12.   Install timing case

Torsional Vibration Damper, Remove and Install > < Determine crankshaft bearing clearance (determine bearing clearance with Plastigage)