Question about 1998 Oldsmobile Aurora

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Fan switch 1998 oldsmobile aurora, location on the engine. The fans do not turn on until well over 200

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SENSOR OR THEMOSTAT PROBLEM

Posted on Oct 09, 2009

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I have a 1998 Oldsmobile aurora and my fans will


They will not come on when they are unplugged. You need to check at your relay base and make sure you have 12v supply power and are getting your signal power from the temp switch.

Dec 14, 2014 | 1998 Oldsmobile Aurora

2 Answers

1998 oldsmobile aurora over heating problem


Have a shop test for exhaust gases in the coolant. Pretty simple test-shouldn't be very expensive. Exhaust in the coolant is a bad head gasket, one cause of overheating. Fluid level is full, and no loss of coolant?

Jun 11, 2012 | 1998 Oldsmobile Aurora

1 Answer

Cooling fan(s) wiring diagram


Its either t Cooling Fan Switch ABCDEFGHIJKLMNOPQRSTUVWXYZ Inspect/Test/Replace

To find the RADIATOR COOLING FAN MOTOR RELAY, we need additional information about your 1995 Oldsmobile Aurora 4.0L SFI DOHC 8cyl.
Please select one of the following:

The Radiator Cooling Fan Motor Relay is located: Under hood, passenger side, upper firewall, mounted in corner in relay block
When testing a cooling fan switch, first test it with the engine cold, then test it when the engine reaches a specified temperature. Check your vehicle's service manual for more directions.
To check a switch, disconnect the connector at the switch. with an ohmmeter, check for continuity between the terminals of the switch with the switch moved to the on position and to the off position.

To find the RADIATOR COOLING FAN MOTOR RELAY, we need additional information about your 1995 Oldsmobile Aurora 4.0L SFI DOHC 8cyl.
Please select one of the following:

The Radiator Cooling Fan Motor Relay is located: Under hood, passenger side, front side of wheelwell, mounted in relay panel
The continuity through a switch can be checked with an ohmmeter. With the switch open, there should be infinite resistance. With the switch closed, there should be zero resistance. With the switch off, there should be no continuity between the terminals. With the switch on, there should be good continuity between the terminals. If the switch is activated by something mechanical and doesn't complete the circuit when it should, check the adjustment of the switch. (Some switches are not adjustable.) If the adjustment is correct, replace the switch. Another way to check a switch is to simply bypass it with a jumper wire. If the component works when the switch is jumped, a bad switch is indicated.
Voltage drop across switches should also be checked. Ideally, when the switch is closed there should be no voltage drop. Any voltage drop indicates resistance and the switch should be replaced.
he fan motor,the fan switch,or the coolant temp.sensor.

May 02, 2012 | 1995 Oldsmobile Aurora

1 Answer

My car is overheating while idling, once im driving the temperature drops back to normal, i realized that the fans are not running at all, what connections should i check? could this be the cooling fan...


turn your a/c on which should send signal to cooling fans to operate, regardless of engine temperature. check for voltage on cooling fan wires. if voltage is not present check relays and fuses located passenger side front of vehicle under hood. if voltage is present, then i would replace the cooling fans

Feb 21, 2011 | 1995 Oldsmobile Aurora

1 Answer

Where is the cooling fan control switch on the 1997 olds aurora V-8?


There isn't one. The computer uses the engine coolant temperature sensor for both fuel delivery data and fan activation. If you turn on the A/C or pull the coolant temp sensor connector off while the engine is running, the fan(s) should come on. If not, you may have a bad relay or fan motor.

Feb 06, 2011 | 1997 Oldsmobile Aurora

2 Answers

Where is the fan sensor on a 1997 oldsmobile aurora


The engine coolant temperature (ECT) is left rear side of engine

Aug 13, 2010 | Oldsmobile Aurora Cars & Trucks

1 Answer

1998 malibu cooling fans will not come on?


I would check the fan fuse and check that the fans work when power is supplied to them. It maybe a bad circuit in the computer that turns the fans on. I've seen alot of these GM's with this problem, always leads back to the computer. There is no fan switch.

May 16, 2010 | 1995 Oldsmobile Aurora

1 Answer

My osmobile aurora is overheating and I channge


I would check to see if the cooling fan is coming on. Could be a bad fan switch. When the air is turned on, it turns on the cooling fan regardless of engine temp.

Mar 16, 2010 | 1995 Oldsmobile Aurora

1 Answer

2001 aurora engine heats up when not moving down


Likely the fan(s) not turning on when engine gets hot. Is the check engine light on? Read the code(s) and repair as needed. Check (when cold) the fan(s) for free turning--if seem bound or hard to turn, replace the ailing fan. Check the radiator and reservoir fluid level. Watch the fans as the engine heats up. Feel the radiator area where the upper engine hose connects. It will suddenly turn hot when the thermostat opens. The fan assembly should activate somewhat after. Hopefully, the engine code recognized a defective temp sensor and was replaced.

Aug 11, 2009 | 2001 Oldsmobile Aurora

3 Answers

1998 aurora


I have had this problem with my 98 aurora and have replaced all the same components. Temp gauge routinely shows 200 on highway (Fine) but in the city in stop and go will get to around 245. I installed a switch to manually turn on the cooling fans by connecting the ground to pin 86 in the relay for the fan(s). Otherwise the fans will not turn on to 245. This fix works but would like to know an actual solution.

Jun 22, 2008 | 1998 Oldsmobile Aurora

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