Chevrolet Cobalt Service & Repair Manual: Exhaust Manifold, Replace
Removal
| 1. |
Remove exhaust manifold heat shield. |
| 3. |
Raise and support vehicle. |
| 4. |
Remove manifold to exhaust flex decoupler
mounting bolts. |
| 5. |
Pull down and back on exhaust pipe
in order to disconnect pipe from exhaust manifold. |
| 7. |
Remove exhaust manifold to cylinder
head mounting nuts. |
| 8. |
Remove exhaust manifold, clean sealing
surfaces. |
| 9. |
Reverse procedure to install. Torque
exhaust manifold to cylinder head mounting nuts to 106 inch lbs.,
in sequence, Fig. 1. |
|
Fig. 1 Exhaust manifold tightening sequence
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 ...
Removal
1.
Raise and support vehicle.
2.
Remove front fender liner.
3.
Turn drive belt tensioner clockwise.
...
See also:
Chevrolet Cobalt Service & Repair Manual. Relearn
Initialization Sequence
The EBCM performs one initialization
test each ignition cycle. The initialization of the EBCM occurs when the
EBCM detects the there is a minimum of 500 RPM from the ECM by means of
a serial data message and the stop lamp switch is not applied. The initial ...
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