Chevrolet Cobalt Service & Repair Manual: Engine, Replace
Removal
| 1. |
Open and support hood. Install suitable
protective covering over fenders. Mark upper hood hinge location
to hood with suitable grease pencil. Remove hood with assistance. |
| 2. |
Remove air cleaner resonator to accelerator
bracket bolt. |
| 3. |
Remove throttle body resonator, air
cleaner intake duct and vent hose. |
| 4. |
Remove accelerator cable and cruise
control cable. |
| 5. |
Disconnect brake booster hose. |
| 6. |
Remove power steering pump. |
| 7. |
Disconnect fuel lines. |
| 8. |
Drain coolant into suitable container. |
| 9. |
Remove radiator inlet hose. |
| 10. |
Remove surge tank to cylinder head
hose. |
| 11. |
Disconnect surge tank to radiator outlet
hose. |
| 12. |
Remove radiator outlet hose. |
| 13. |
Remove inlet and outlet heater hoses. |
| 14. |
Remove surge tank outlet hose mounting
bolt to intake manifold. |
| 15. |
Disconnect electrical connectors to
engine components. |
| 16. |
Remove engine electrical harness. |
| 17. |
Remove upper transmission bellhousing
mounting bolts. |
| 18. |
Raise and support vehicle. |
| 19. |
Remove front fender liner. |
| 20. |
Turn drive belt tensioner clockwise. |
| 21. |
Remove serpentine drive belt. |
| 22. |
Remove air conditioning compressor. |
| 23. |
Remove crankshaft balancer bolt using
harmonic balancer holder tool No. J38122-A, or equivalent, to ensure
crankshaft does not turn while loosening mounting bolt. |
| 24. |
Remove crankshaft balancer. |
| 25. |
Disconnect alternator electrical connectors. |
| 26. |
Disconnect starter motor electrical
connectors. |
| 27. |
Drain engine oil into suitable container. |
| 28. |
Disconnect front exhaust pipe from
manifold. |
| 29. |
Raise and support vehicle. |
| 30. |
Remove mounting bolts and lower starter. |
| 31. |
Disconnect starter electrical connectors
and remove starter. |
| 32. |
Remove flywheel to torque converter
bolts. |
| 33. |
Remove lower transmission bellhousing
bolts. |
| 34. |
Remove transmission to engine brace. |
| 36. |
Install engine bracket tool No. J42451,
or equivalent, to righthand rear side of cylinder head. |
| 37. |
Install suitable engine hoist to engine. |
| 38. |
Remove cruise control module. |
| 39. |
Support engine with suitable wooden
block and suitable floor jack positioned below oil pan. |
| 40. |
Remove engine mount mounting nuts. |
| 41. |
Remove engine mount to bracket bolts. |
| 43. |
Remove upper transmission bellhousing
bolts. |
| 44. |
Separate engine from transmission. |
| 46. |
Reverse procedure to install. |
|
Valve stem oil seal alignment
and position is critical. An improperly installed valve stem oil seal may
lead to excessive oil consumption, and increased vehicle emissions.
...
1.
Remove the secondary air injection
bolts (2) and nuts (1), Fig. 1.
2.
Remove the secondary air injection
studs (3 and 4), Fig. 2 ...
See also:
Chevrolet Cobalt Owners Manual. Bluetooth®
Vehicles with a Bluetooth system can use a Bluetooth
capable cell phone with a Hands Free Profile to make
and receive phone calls. The system can be used while
the key is in ON/RUN or ACC/ACCESSORY position.
The range of the Bluetooth system can be up to 9.1 m
(30 ft). Not all phones support al ...
Engine Valves R&R
Exhaust Manifold Gasket R&R