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Vauxhall Workshop Service and Repair Manuals

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Hydraulic chain tensioner > < Toothed belt diagnosis - Possible causes and remedys

Astra H

Replace front toothed belt cover (top)

  Remove

1.   Open bonnet
2.   Remove engine cover (1)
•   Pull off engine cover
Note:   Re-attach any retaining rubbers (2) to the engine cover which may have become detached
Object Number: 7360946 Size: DEFAULT


3.   Remove air cleaner housing (1)
•   Disconnect mass air flow meter wiring harness (2)
– Unclip wiring harness from bracket
•   Detach from air intake pipe
– Release clamp (3)
•   Unscrew bolt
•   Remove with water drain hose (4)
Object Number: 7360947 Size: DEFAULT


4.   Remove toothed belt cover
•   Unscrew 5x bolts (1) with EN-47631
•   Unscrew 2x bolts (2)
Object Number: 7360952 Size: DEFAULT


  Install

5.   Install toothed belt cover
•   Tighten 5x bolt (M6) 9 Nm
•   Tighten 2x bolt (M8) 25 Nm
6.   Install air cleaner housing
•   Tighten bolt
•   Attach to air intake pipe
– Tighten clamp 3.5 Nm
•   Connect mass air flow sensor wiring harness
– Clip wiring harness into bracket
7.   Install engine cover
•   Clip in 4x
8.   Close bonnet

Hydraulic chain tensioner > < Toothed belt diagnosis - Possible causes and remedys