Chevrolet Cobalt Service & Repair Manual: Heater Hose, Replace
Inlet
1. |
Drain coolant into a suitable container. |
2. |
Loosen hose clamp connecting hose to
heater core inlet tube. |
3. |
Loosen hose clamp connecting hose to
water pump bypass tube. |
4. |
Remove hose from vehicle. |
5. |
Reverse procedure to install. |
|
Outlet
1. |
Drain coolant into a suitable container. |
2. |
Loosen hose clamp connecting hose to
heater core outlet tube. |
3. |
Loosen hose clamp connecting hose to
intake manifold tube. |
4. |
Remove hose from vehicle. |
5. |
Reverse procedure to install. |
|
Lower
1.
Drain coolant into a suitable container.
2.
Loosen hose clamp connecting hose to
radiator.
3.
Loos ...
1.
Disconnect the cooling fan electrical
connector.
2.
Remove the cooling fan wire from the
fan shroud, Fig. 1.
...
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 ...