vauxhall Workshop Repair Guides

Vauxhall Workshop Service and Repair Manuals

ABOUT US
Oil Level Indicator Tube Replacement - 1.6L LLU > < Engine Replacement - 1.6L LLU - M32-6 MZ0

Astra J

Camshaft Replacement (1.6L LLU)

Special Tools

EN-422   Installer

For equivalent regional tools, refer to Special Tools .

Removal Procedure

1. Remove the rear timing belt cover. Refer to Timing Belt Rear Cover Replacement .
2. Remove exhaust camshaft position sensor. Refer to Camshaft Position Sensor Replacement .
3. Remove the camshaft cover. Refer to Camshaft Cover Replacement .

           2026542



Note:  Note removal sequence 1-4.
4. Remove the 4 camshaft bearing cap bolts.

Note:  Release the bearing support by striking it gently with a plastic hammer.
5. Remove the first camshaft bearing cap (1).

           2027653


6. Loosen the 8 exhaust camshaft bearing cap bolts working from outside to inside in a spiral in steps of 1/2 up to 1 turn.
7. Remove the 8 exhaust camshaft bearing cap bolts.

Note:  Mark camshaft bearing caps before removal.
8. Remove the 4 exhaust camshaft bearing caps Numbers 6-9 from the cylinder head.
9. Remove the exhaust camshaft (1).

           2027651


10. Loosen the 8 intake camshaft bearing cap bolts working from outside to inside in a spiral in steps of 1/2 up to 1 turn.
11. Remove the 8 intake camshaft bearing cap bolts.

Note:  Mark camshaft bearing caps before removal.
12. Remove the 4 intake camshaft bearing caps Numbers 2-5 from the cylinder head.
13. Remove the intake camshaft (1).
14. Detach the seal rings from the camshafts.

Installation Procedure


           2027632



Note:  Coat with MoS 2 lubricating paste.
1. Install the intake camshaft (1).

Note:  Note the identification marking on the camshaft bearing caps.
2. Install the 4 intake camshaft bearing caps Numbers 2-5.

Caution: Refer to Fastener Caution .
3. Install the 8 intake camshaft bearing cap bolts and tighten in a spiral from the inside to the outside to 8 N·m (71 lb in) .

           2027633



Note:  Coat with MoS 2 lubricating paste.
4. Install the exhaust camshaft (1).

Note:  Note the identification marking on the camshaft bearing caps.
5. Install 4 the exhaust camshaft bearing caps No. 6-9.
6. Install the 8 exhaust camshaft bearing cap bolts and tighten in a spiral from the inside to the outside to 8 N·m (71 lb in) .

           1947413



Note:  Sealing surfaces must be free from oil and grease.
7. Clean the sealing surfaces of the first camshaft bearing support and the cylinder head with a suitable tool.
8. Clean oil duct from any sealant residue.

           2027009



Note:  No sealant may reach the camshafts.
9. Position the first camshaft bearing cap (1) on the cylinder block.

Note:  Note installation sequence 1-4.
10. Install the first camshaft bearing cap bolts and tighten in two passes:
  10.1 First pass approximately to 2 N·m (18 lb in)
  10.2 Second pass to 8 N·m (71 lb in)
11. Check valve clearance and adjust if necessary. Refer to Valve Clearance Adjustment .

           2026542



Note:  Note removal sequence 1 - 4.

Note:  It is necessary to remove the first camshaft bearing cap to apply the surface sealant.
12. Remove the 4 camshaft bearing cap bolts.

Note:  Release the bearing support by striking it gently with a plastic hammer.
13. Remove the first camshaft bearing cap (1).

           1947417



Note:  Sealing surfaces must be free from oil and grease. It is essential to ensure that no sealant is applied outside the marked sealing areas. The grooves adjacent to the sealing surfaces must remain free from sealant.
14. Apply surface sealant to the sealing surfaces of the first camshaft bearing cap (1) thinly and evenly.

           2027009



Note:  No sealant may reach the camshafts.
15. Position the first camshaft bearing cap (1) on the cylinder block.

Note:  Note installation sequence 1 - 4.
16. Install the first camshaft bearing cap bolts and tighten in two passes:
  16.1 First pass approximately to 2 N·m (18 lb in) .
  16.2 Second pass to 8 N·m (71 lb in) .

           1945794


17. Install 2 NEW sealing rings to the camshafts.
18. Tighten the seal ring with EN-422   installer (3) on the camshaft until this is in contact with the cylinder head.
19. To install, use camshaft sprocket bolt (1) in conjunction with shims (2) with a total thickness of approximately 10 mm.
20. Remove the EN-422   installer (3).
21. Install exhaust camshaft position sensor. Refer to Camshaft Position Sensor Replacement .
22. Install the rear timing belt cover. Refer to Timing Belt Rear Cover Replacement .
23. Install the camshaft cover. Refer to Camshaft Cover Replacement

Oil Level Indicator Tube Replacement - 1.6L LLU > < Engine Replacement - 1.6L LLU - M32-6 MZ0