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Vauxhall Workshop Service and Repair Manuals

Oil Filter Adapter and Oil Cooler Assembly Replacement > < Sump Replacement

Oil Pump Replacement

Special Tools

•  CH-161-B   Gear Puller
•  EN-656   Installer
•  EN-657   Installer
•  EN-662-C   Bracket
•  EN-45000   Remover

For equivalent regional tools refer to Special Tools .

Removal Procedure

1. Remove the oil pan. Refer to Oil Pan Replacement .
2. Remove the timing belt. Refer to Timing Belt Replacement .

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3. Install the engine mount bracket (2) with engine mount bracket adapter (1).

Caution: Refer to Fastener Caution .

4. Install the 3 engine mount bracket bolts (3) and tighten to 60 N·m (44 lb ft) .

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5. Install the engine mount (5).
6. Install the 2 engine mount to body bolts (2).
7. Install the engine mount nut (1).
8. Install the 3 engine mount to engine mount bracket bolts (3) and the 3 washers (4).
9. Tighten the 2 engine mount to body bolts (2) and the engine mount nut (1) to 55 N·m (41 lb ft) .
10. Tighten the 3 engine mount to engine mount bracket bolts (3) to 50 N·m (37 lb ft) .
11. Remove the engine lifter from the right engine lift bracket.
12. Install the EN-662-C   bracket in order to fix the crankshaft pulley.
13. Loosen the crankshaft pulley bolt while holding up the crankshaft pulley.

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14. Install the CH-161-B   puller (2) and detach the crankshaft pulley (1).

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15. Remove the crankshaft pulley bolt (3) and the washer (4).
16. Remove the crankshaft pulley (2) and the crankshaft pulley plate (1).

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Note:  Use a socket wrench (2).
17. Loosen the oil pump gear nut while holding up the oil pump gear (1).

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18. Remove the oil pump gear nut (2).
19. Remove the oil pump gear (1).

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20. Remove the 9 oil pump housing bolts (2).
21. Remove the oil pump housing (1).

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22. Remove the oil pump inner rotor (2) and the oil pump outer rotor (1).

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23. Remove the crankshaft front oil seal (1) and the oil pump drive shaft seal (2), using the EN-45000   remover .

Installation Procedure

1. Clean the sealing surfaces.
2. Clean the oil pump assembly parts from old engine oil and dust.

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3. Apply sealing compound (1) to the oil pump. Refer to Adhesives, Fluids, Lubricants, and Sealers .

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Note:  Lubricate the oil pump rotors with engine oil.
4. Install the oil pump outer rotor (1) and the oil pump inner rotor (2).

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Note:  Mind the guide sleeves.
5. Install the oil pump housing (1).

Caution: Refer to Fastener Caution .


Note:  Mind the different bolt lengths.
6. Install the 9 oil pump bolts (2) and tighten to 10 N·m (89 lb in) .

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7. Install the oil pump drive shaft seal, using the EN-657   installer (1).

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8. Install the crankshaft front oil seal, using the EN-656   installer (1).

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9. Install the oil pump gear (1).
10. Install the oil pump gear nut (2).

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11. Tighten the oil pump gear nut while holding up the oil pump gear (1) with a socket wrench (2) in the following order :
  •  Tighten the oil pump gear nut to 60 N·m (44 lb ft) .
  •  Hold the torque for 60 seconds .
  •  Loosen the oil pump gear nut
  •  Tighten the oil pump gear nut again to 60 N·m (44 lb ft)

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12. The cam (1) and the notch (2) must align.

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13. Install the crankshaft pulley plate (1).
14. Install the crankshaft pulley (2).
15. Install the EN-662-C   bracket in order to fix the crankshaft pulley.
16. Install the crankshaft pulley bolt (3) and the washer (4) and tighten to 196 N·m (145 lb ft) while holding up the crankshaft pulley.

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17. Install an engine lifter (1) to the right engine lift bracket and apply tension to the engine lifter chain in order to support the engine.

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18. Remove the 3 engine mount to engine mount bracket bolts (3) and the 3 washers (4).
19. Remove the 2 engine mount to body bolts (2) and the engine mount nut (1).
20. Remove the engine mount (5).

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21. Remove the 3 engine mount bracket bolts (2).
22. Install the timing belt. Refer to Timing Belt Replacement .
23. Install the oil pan. Refer to Oil Pan Replacement .

Oil Filter Adapter and Oil Cooler Assembly Replacement > < Sump Replacement