vauxhall Workshop Repair Guides

Vauxhall Workshop Service and Repair Manuals

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Timing, Adjust > < Toothed Belt Tension, Adjust

Astra H

Timing, Check

  Remove

1.   Open bonnet
2.   Remove engine cover (2)
•   Detach oil filler port closure cap (1)
•   Pull off engine cover
Note:   Rubber retainers (3) must remain on engine cover
•   Attach oil filler port closure cap
Object Number: 2412632 Size: DEFAULT


3.   Remove air cleaner housing (5) with air intake hose
•   Detach wiring harness plug (2) from hot film mass air flow meter
•   Detach air intake hose from air intake pipe
– Release clamp (1)
•   Detach air cleaner housing from wheel housing
– Unscrew bolt (4)
•   Detach water drain hose (3) from air cleaner housing
– Release clamp
Object Number: 3446547 Size: DEFAULT


4.   Detach wiring trough (4) from front toothed belt cover (top)
•   Unscrew bolt (2)
•   Detach wiring harness (3)
– Disconnect camshaft sensor wiring harness plug
– Release 2x clip
•   Detach vacuum line (1)
– Release 2x clip
•   Unclip wiring trough in direction of arrow
– Undo clip
Object Number: 3447352 Size: DEFAULT


5.   Detach front toothed belt cover (top) (4)
•   Detach vacuum line (3)
– Unclip 3x clip
•   Unscrew 8x bolts
Note:   Note different bolt lengths
•   Remove camshaft sensor bracket (1)
– Unscrew bolt (2)
Object Number: 3447353 Size: DEFAULT


6.   Install TDC fixing bolt
•   Move motor to "Cylinder no.1 combustion stroke TDC" in direction of engine rotation
•   Install TDC fixing bolt (1) in camshaft sprocket
•   Install TDC fixing bolt in high pressure pump gear
Object Number: 3447348 Size: DEFAULT


7.   Raise vehicle by its full height
8.   Detach the lower engine cover and right engine splash guard
9.   Check markings (1)
Note:   If the setting is correct, the pin on the oil pump housing must align with the marking on the belt pulley
Object Number: 2413414 Size: DEFAULT


  Install

10.   Install lower engine cover and right engine splash guard
11.   Lower vehicle by its full height
12.   Unscrew 2x TDC fixing bolt
13.   Install front toothed belt cover (top)
•   Tighten 8x bolt 9.8 Nm
Note:   Note different bolt lengths
•   Install camshaft sensor bracket
– Tighten bolt 9.8 Nm
•   Attach vacuum line to toothed belt cover
– Clip in 3x clips
14.   Attach wiring trough to front toothed belt cover (top)
•   Attach wiring trough
– Attach clip
•   Tighten bolt 9.8 Nm
•   Attach wiring harness
– Clip in 2x clips
– Connect camshaft sensor wiring harness plug
•   Attach vacuum line
– Clip in 2x clips
15.   Install air cleaner housing with air intake hose
•   Attach water drain hose to air cleaner housing
– Fasten clamp
•   Tighten bolt 15 Nm
•   Attach air intake hose to air intake pipe
– Fasten clamp 3.5 Nm
•   Connect wiring harness plug to air mass flow meter
16.   Install engine cover
•   Detach oil filler port closure cap
•   Refit engine cover
•   Attach oil filler port closure cap
17.   Close bonnet

Timing, Adjust > < Toothed Belt Tension, Adjust