Cruze

Inlet Manifold Replacement

1. Open the bonnet.
2. Remove the throttle body. Refer to Throttle Body Assembly Replacement .
3. Remove the exhaust gas recirculation pipe. Refer to Exhaust Gas Recirculation Pipe Replacement .
4. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
5. Remove the exhaust flexible pipe. Refer to Exhaust Flexible Pipe Replacement : 2.0L Diesel LLW .



6. Disconnect the 3 vacuum hoses (1).
7. Disconnect the evaporative emission canister solenoid valve wiring harness plug.



8. Remove the 2 inlet manifold brace bolts (1).
9. Remove the 2 inlet manifold brace bolts (2).
10. Remove the inlet manifold brace (3).
11. Lower the vehicle full height.




Note: Observe the positions from the vacuum hoses.

12. Remove the Vacuum hoses (1).
13. Disconnect the fuel feed pipe (2).



14. Remove the crankcase ventilation hose (3).
15. Disconnect the vacuum hose (2) from the inlet manifold (1).
16. Disconnect the MAP sensor wiring harness plug.



17. Remove the 5 inlet manifold bolts (2).
18. Remove the 4 inlet manifold bolts (3).
19. Remove the inlet manifold (1).
20. Remove the 4 inlet manifold gaskets (4).

1. Install 4 NEW inlet manifold gaskets (4).
2. Install the inlet manifold (1).

Caution: Refer to Fastener Caution in the Preface section.

3. Install the 9 inlet manifold bolts (2, 3) and tighten evenly to 25 N·m (18 lb ft).



4. Connect the vacuum hose (2) from the inlet manifold (1).
5. Install the crankcase ventilation hose (3).
6. Connect the MAP sensor wiring harness plug.



7. Connect the fuel feed pipe (2).
8. Install the Vacuum hoses (1).
9. Raise and support the vehicle.



10. Install the inlet manifold brace (3).

Caution: Refer to Fastener Caution in the Preface section.

11. Install the 2 inlet manifold brace bolts (2) 58 N·m (43 lb ft).
12. Install the 2 inlet manifold brace bolts (1) 22 N·m (16 lb ft).



13. Connect the 3 vacuum hoses (1).
14. Connect the evaporative emission canister solenoid valve wiring harness plug.
15. Install the exhaust flexible pipe. Refer to exhaust flexible pipe replacement Exhaust Flexible Pipe Replacement : 2.0L Diesel LLW .
16. Lower the vehicle full height.
17. Install the throttle body. Refer to Throttle Body Assembly Replacement .
18. Install the exhaust gas recirculation pipe. Refer to Exhaust Gas Recirculation Pipe Replacement .
19. Close bonnet.