Question about 2004 Chevrolet Venture Passanger
You could have one motor that is getting bad in it. Next time this happens try unpluging one and see it the other speeds up. If it dont then try unplugging the other one and see if the other speeds up. You can check it out by letting the motor cool off and spinning the fan motor over by hand. If it make at least two or three turns by itself it is ok if not the it is bad. And will need to be replaced.
Posted on Dec 02, 2012
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Posted on Jan 02, 2017
If your radiator is full of water, then its probably the thermostat sticking. The thermostat is located on top of the engine, under the housing that the radiator hose goes to
Posted on Feb 10, 2012
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A/C refrigerant pressure exceeds 1 310 kPa (190 psi).
After the vehicle is shut off if the engine coolant temperature at key-off is greater than 140?°C (284?°F) and system voltage is more than 12 volts. The fans will stay on for approximately 3 minutes.
The BCM and PCM/ECM command High Speed Fans on under the following conditions:
Engine coolant temperature reaches 110?°C (230?°F).
A/C refrigerant pressure exceeds 1 655 kPa (240 psi).
When certain DTCs set.
The three relays are located in the under hood fuse / relay box ! You need to have it checked for DTC'S -diagnostic trouble codes ! An you need a GM Tech 2 scan tool !
This diagnostic procedure supports the following DTCs:
DTC P0480 Cooling Fan 1 Relay Control Circuit
DTC P0481 Cooling Fan 2 and 3 or S/P Relay Control Circuit
DTC P0691 Cooling Fan 1 Relay Control Circuit Low Voltage
DTC P0692 Cooling Fan 1 Relay Control Circuit High Voltage
DTC P0693 Cooling Fan 2 and 3 or S/P Relay Control Circuit Low Voltage
DTC P0694 Cooling Fan 2 and 3 or S/P Relay Control Circuit High Voltage
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