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Air Conditioning (A/C) Compressor and Power Steering Pump Bracket Replacement > < Cylinder Leakage Test

Astra J

Camshaft Replacement

Special Tools

•  EN-6092-10   Fixing Tool
•  EN-6092   Adjuster

For equivalent regional tools refer to Special Tools .

Removal Procedure

1. Remove the fuel injector. Refer to Fuel Injector Replacement .
2. Remove the camshaft timing pulley. Refer to Camshaft Timing Pulley Replacement .
3. Remove the vacuum pump assembly. Refer to Vacuum Pump Assembly Replacement .

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4. Remove the camshaft bearing front cap bolt (1).
5. Remove the 2 camshaft bearing front cap nuts (2).
6. Remove the camshaft bearing front cap (3).

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7. Install the EN-6092-10   fixing tool (2) as shown in order to fix the exhaust camshaft secondary gear (3) to the exhaust camshaft gear (1).

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8. Remove the camshaft bearing cap bolts and nuts in a sequence as shown one turn at a time until there is no spring tension pushing on the camshaft.

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9. Remove the 8 camshaft bearing cap nuts (2) and the 4 camshaft bearing cap bolts (1).

Note:  Mark the camshaft bearing caps to ensure they will be installed in the same position.
10. Remove the 4 camshaft bearing caps.
11. Remove the exhaust camshaft and the intake camshaft.

Installation Procedure


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1. The exhaust camshaft secondary gear (2) has to be pretensioned. Use the EN-6092   adjuster (1) to pretension the secondary gear and use EN-6092-10   fixing tool (4) to fix with the exhaust camshaft gear (3).

Note:  Lubricate the camshafts with engine oil.
2. Install the exhaust camshaft along with the intake camshaft.

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3. The marks in the intake camshaft gear (2) must align with the marks in the exhaust camshaft gear (1).

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Note:  Lubricate the camshaft bearing caps with engine oil.
4. Install the 4 camshaft bearing caps.
5. Install the 4 camshaft bearing cap bolts (1) and the 8 camshaft bearing cap nuts (2).

Caution: Refer to Fastener Caution .

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6. Tighten the 4 camshaft bearing cap bolts and nuts in a sequence as shown and in increments of 1 or 2 turns at a time until they are seated.
7. Tighten the camshaft bearing cap bolts and nuts to 27 N·m (20 lb ft) .
8. Remove the EN-6092-10   fixing tool .

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Note:  Lubricate the camshaft bearing front cap with engine oil.
9. Install the camshaft bearing front cap (3).
10. Install the camshaft bearing front cap bolt (1) and the 2 camshaft bearing front cap nuts (2) and tighten to 27 N·m (20 lb ft) .
11. Install the vacuum pump assembly. Refer to Vacuum Pump Assembly Replacement .
12. Install the camshaft timing pulley. Refer to Camshaft Timing Pulley Replacement .
13. Install the fuel injector. Refer to Fuel Injector Replacement .

Air Conditioning (A/C) Compressor and Power Steering Pump Bracket Replacement > < Cylinder Leakage Test