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Vauxhall Workshop Service and Repair Manuals

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Heated Oxygen Sensor Replacement - Sensor 2 > < Spark Plug Replacement

Astra J

Throttle Body Assembly Replacement (1.8L 2H0)

Removal Procedure

1. Open the hood.
2. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .

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3. Disconnect the wiring harness plug (2).
4. Disconnect the positive crankcase ventilation pipe (1).
5. Place collecting basin underneath.
6. Disconnect the throttle body heater outlet pipe (4).
7. Disconnect the throttle body heater inlet pipe (3).

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8. Remove the 4 throttle body bolts (2).
9. Remove the throttle body (1).
10. Remove and DISCARD the throttle body gasket.

Installation Procedure

1. Install a NEW throttle body gasket.

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2. Install the throttle body (1).

Caution: Refer to Fastener Caution .
3. Install the 4 throttle body bolts (2) and tighten to 8 N·m (71 lb in) .

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4. Connect the throttle body heater inlet pipe (3).
5. Connect the throttle body heater outlet pipe (4).
6. Connect the positive crankcase ventilation pipe (1).
7. Connect the wiring harness plug (2).
8. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
9. Reset the fuel trim using a scan tool. Refer to Engine Control Module Programming and Setup
10. Close the hood.

Heated Oxygen Sensor Replacement - Sensor 2 > < Spark Plug Replacement