Question about 2012 Chevrolet Cruze LS Sedan 1.8L 4-cyl. 6-speed Manual

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How to change a cooling fan relay on 2012 chevrolet cruze

Cooling fan run all time with key on and check engine on too

Posted by Anonymous on

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

leetamara
  • 702 Answers

SOURCE: Cooling fan wont work

The water temp sensor is located near the thermostat housing. This sensor is what tells the ECM to turn the fan on/off. The water temp sending unit is located near the same area. You know you have the correct sensor is because the water temp sensor has a 2 prong plug. The water temp sending unit only has 1 prong.

Posted on Sep 27, 2008

  • 28 Answers

SOURCE: cooling fan

Whoever told you the temperature gauge on cavalier is normal 3/4th is the lie. It is however in operating temperature range but on the hot side. Have you flushed your coolant and replaced thermostate, and gotten air vapor locks out.

Posted on Dec 01, 2008

  • 1 Answer

SOURCE: Check engine light is steady on 2003 Chevrolet Impala LS

My fans that cool the engine do not come on at all. The temperature climbs when I sit still. When I drive, the car seems to cool down.What do I need to do.

Posted on Mar 19, 2009

MNfisherman
  • 11896 Answers

SOURCE: My 1987 Chevrolet Z24 Cavalier cooling fan will

since you have already tested fan and relay and both work, the problem may be the engine temp sensor. There are two sensors. One goes to instument cluster. This is engine coolant temp sensor, the other is engine temp sensor which is usually attached to engine block, sometimes they are connected to thermostat housing with the coolant sensor. You can pully the engine temp sensor and test that sensor same way as relay. (with mulitimeter)

Posted on Jun 03, 2009

polarcycle
  • 1392 Answers

SOURCE: Cooling Fan Fuse

Sounds like a short in the wiring, or a bad fan motor drawing too much current. Check the wiring for shorts, if none are found, replace the fan motor.

Posted on Jun 10, 2009

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1 Answer

Fan is not running


First check the fuse in the fuse box .
It also depends on witch fan /engine cooling fan /Blower motor fan.
Engine fans will have a relay more so then a blower motor .
The differences is this the blower draws more power and runs on a different ckt then the engine controls .So you can use the blower motor with out the engine running key on .
You don't say witch one you are having the problem with so I will try to explain both .
Most of the time both have relays and fuse's .The heater fan works on HI only off the relay so the relay is good if it works on HI.
The relay for the fan to cool the engine is different it controls all speeds do to temp change its cold some times has to handle more information .The relay the one thing they both have in common is the connections tend to get corroided Most of the time you can unplug and clean the plug in connectors to fix the issue

Jul 09, 2016 | Cars & Trucks

1 Answer

Mercedes Benz GL320 fan turns on after car is turned off. Stays running until your turn the key but you do not have to turn the engine over for it to stay off


On most modern vehicles the engine cooling fans are electric. These fans are thermostatically controlled and will continue to run even after the vehicle is turned off and until the engine cools down. If you feel the fan is running an excessively long time after you turn off the vehicle, I would recommend you have it looked at by the dealer.
Good luck.

May 09, 2016 | Cars & Trucks

2 Answers

2004 Chevy Monte Carlo 3.4 the a/c stopped blowing,then it started overheating to the red within a couple miles,replaced the thermostat,the relay switch some days it overheats sometimes it runs fine


Are the cooling fans coming on ? What relay switch did you replace ?
The BCM will request low speed cooling fan operation from the PCM under the following conditions:
?€¢
Engine coolant temperature exceeds approximately 103?°C (217?°F).


?€¢
When A/C is requested and the ambient temperature is more than 10?°C (50?°F).


?€¢
A/C refrigerant pressure exceeds 1310 kPa (190 psi).


?€¢
After the vehicle is shut off if the engine coolant temperature at key-off is more than 117?°C (243?°F) and system voltage is more than 12 volts. The fans will stay on for approximately 3 minutes.


The engine cooling fan system consists of 2 electrical cooling fans and 3 fan relays. The relays are arranged in a series/parallel configuration that allows the PCM to operate both fans together at low or high speeds. The cooling fans and fan relays receive battery positive voltage from the engine wiring harness junction block. The ground path is provided at G101.
During low speed operation, the PCM supplies the ground path for the low speed fan relay through the low speed cooling fan relay control circuit. This energizes the FAN CONT #1 relay coil, closes the relay contacts, and supplies battery positive voltage from the FAN CONT #1 fuse through the cooling fan motor supply voltage circuit to the right cooling fan. The ground path for the right cooling fan is through the FAN CONT #2 relay and the left cooling fan. The result is a series circuit with both fans running at low speed.
During high speed operation the PCM supplies the ground path for the FAN CONT #1 relay through the low speed cooling fan relay control circuit. After a 3-second delay, the PCM supplies a ground path for the FAN CONT #2 relay and the FAN CONT #3 relay through the high speed cooling fan relay control circuit. This energizes the FAN CONT #2 relay coil, closes the relay contacts, and provides a ground path for the right cooling fan. At the same time the FAN CONT #3 relay coil is energized closing the relay contacts and provides battery positive voltage from the FAN CONT #2 fuse on the cooling fan motor supply voltage circuit to the left cooling fan. During high speed fan operation, both engine cooling fans have there own ground path. The result is a parallel circuit with both fans running at high speed.
Is your vehicles check engine light lit ?
Is the

Jul 10, 2015 | Cars & Trucks

1 Answer

Cooling fan will not turn on


Does it overheat? Which engine does your jeep have? If it has the 4.0, then it has an electrical cooling fan and the control relay most of the times fries. Its hidden under the bumper cover under the right hand headlight (seen from drivers position). Many time this relay fries due to the fan which is drawing too much current.
If your jeep has the 4.7, then it has a hydraulic cooling fan. That fan always idles (300 rpm) when the engine runs and will ramp up when the engine temperature gets too high. There is a control solenoid for this fan, but when its bad, then you should have the check engine light. Check for fault codes using the key dance: ignition switch off/run three times and leave in run at the third time. The odometer will show "DONE" when all ok, or any fault code(s).

May 15, 2014 | 2002 Jeep Grand Cherokee

1 Answer

2001 buick lesabre is running slightly hot. i just replaced the thermostat and 2 elbow joints (sorry dont know what their called) and did a complete flush about a month ago


replacing the thermostat is exactly what i would have suggested for your vehicle for the overheating issue. try this,with the engine running at operating temperature,check to insure that the cooling fans coming on when the engines gaining temperature. your cooling fan may be going bad and not coming on when needed,in this case it may be a bad cooling fan sensor,or just a bad cooling fan altogether.with the engine running after you've driven the car until it gets warm,open the hood and look visually at the cooling fan to insure it's running{the engine fan} in front of your radiator. if it's not running {fan} check in the main fuse box under the hood for a bad engine fan relay 1st if no bad relay,then check for a bad engine fan motor.with the key switch in "off"position try to spin the engine fan manually by hand. if it does spin by hand it still may be a bad fan motor. or bad fan sensor.do you have a check engine light on? if so you can have it code read at any auto zone or advance auto for free.this may be of great assistance to you if the check engine light is on. hope this helps and thank you for choosing fixya.com

Mar 24, 2011 | Buick LeSabre Cars & Trucks

2 Answers

Cooling fan won't shut off


Hi!
Check the cooling fan Relay located on the engine compartment Fuse n Relay Box, it is probably stuck ON. If fan stops when relay is removed, replace relay.
Note: Some vehicles are equipped with automatic cooling fans where the cooling fan can come on when engine is hot, even if the key is OFF or not in the Ignition, check your owners manual.
Good Luck! A HELPFUL - 4 THUMBS - rating for this solution would be greatly appreciated. Thank you for using FixYa.

Jan 09, 2011 | 2004 Chevrolet Cavalier

1 Answer

Fans will not turn on therefore cause vehicle to overheat


cooling fan will not come on until about 230 degrees, if fans still do not work. check the fuses and relay. if ok then run a wire to fan from battery.on fan side connection, run a wire from battery positive to fan connection. run a wire from negative to ground connection.if fan will not come on it is either bad or the coolant temp, sensor is bad. because this sensor send info to pcm from various running conditions. it is very important that this sensor works. it can cause;
  • Extended crank time when the engine is cold
  • Poor fuel economy
  • Spark knock
  • Lack of engine power
  • Erratic and/or high idle
  • Engine cooling fan stays running all the time
  • Engine cooling fan fails to turn on
  • Engine overheating
  • Jun 20, 2010 | 1996 Nissan Sentra

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