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Engine Replacement - 1.4L LDD > < Exhaust Camshaft Replacement

Astra J

Camshaft Timing Chain Replacement

Special Tools

EN-955-1   Fixing Pin from EN-955   Kit

For equivalent regional tools, refer to Special Tools .

Removal Procedure

1. Open the hood.
2. Remove the engine front cover with oil pump. Refer to Engine Front Cover with Oil Pump Replacement .

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Note:  If EN-955-1   fixing pin can not be inserted, compress the timing chain tensioner further with the aid of a flat bladed tool to allow complete insertion of the pin.
3. Push the timing chain (2) in direction to the timing chain tensioner (1) and secure the tensioner with EN-955-1   fixing pin (3).

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4. Remove the 2 upper timing chain guide bolts (1).
5. Remove the upper timing chain guide (2).

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6. Remove the 2 timing chain guide right side bolts (2).
7. Remove the timing chain guide right side (1).

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8. Remove the timing chain tensioner shoe bolt (2).
9. Remove the timing chain tensioner shoe (1).

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10. Remove the timing chain (1) along with the crankshaft sprocket (2).

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11. Remove the engine front cover gasket (1).

Installation Procedure

1. Clean the engine front cover sealing surfaces on the engine block and the cylinder head.

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Note:  The thickness of the sealing bead should be 2 mm (0.0787 in) .
2. Apply sealing compound to the shown areas (1) and (2). Refer to Adhesives, Fluids, Lubricants, and Sealers .

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Note:  Mind the guide sleeves.
3. Install the engine front cover gasket (1).

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4. Install the timing chain (1) along with the crankshaft sprocket (2).

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5. Install the timing chain tensioner shoe (1).

Caution: Refer to Fastener Caution .
6. Install the timing chain tensioner shoe bolt (2) and tighten to 20 N·m (15 lb ft) .

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7. Install the timing chain guide right side (1).
8. Install the 2 timing chain guide right side bolts (2) and tighten to 8 N·m (71 lb in) .

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9. Push the timing chain (2) in direction to the timing chain tensioner (1) and Remove EN-955-1   fixing pin (3).
10. Install the engine front cover with oil pump. Refer to Engine Front Cover with Oil Pump Replacement .
11. Close the hood.

Engine Replacement - 1.4L LDD > < Exhaust Camshaft Replacement