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97 cutlass fans not working

Radiator fans not working

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First check your fuses if good it could be the ect sensor which stands fot engine coolant temperature sensor not a pricey fix

Posted on May 22, 2009

  • kayla vanhorn May 22, 2009

    first check your fuses if good it could be the ect sensor which stands fot engine coolant temperature sensor not a pricey fix



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My 97 cutlass supreme is overheating. I've replaced the thermostat and radiator cap, I know my water pump isn't leaking and I don't have a blown head gasket. Started when I pushed 5K RPM.

How do you know it's overheating ? Are you going by the gauge ? Did you check the actual temp. of the engine with scan tool data . or A inferred heat gun at the upper radiator hose near the thermostat housing . Do the cooling fans come on ?Is the cooling system full ? Is there air in the system ?
A coolant temperature switch activates the fan motors. This switch regulates voltage to the cooling fan relay. This switch operates the fan whenever the engine coolant temperature exceeds 110°C (230°F). For location and diagnosis, refer to Electrical Diagnosis. A transducer can also activate the circuit, depending on the A/C compressor head pressure going to the condenser.
The engine cooling fan relays provide the high current required for the cooling fan motors using a low current signal coming from the Powertrain Control Module (PCM). This signal is a function of various inputs

Nov 06, 2015 | Cars & Trucks

1 Answer

Fan switch only works on high

check the radiator fan swtich low speed or radiator low speed relay

Apr 02, 2011 | 1997 Oldsmobile Cutlass Supreme

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The Cooling fan unit of my 1995 Oldmoble Cutlass Suprem does not come on at all

The Radiator fan? if so I would hard wire it to your battery to see if it works at all.
from there it can only be a sensor problem.
Or if the fan does not work at all..... it is the fan.

Jan 20, 2011 | 1995 Oldsmobile Cutlass Supreme

1 Answer

What do the 4 realy fuses go to that are behind the right head light under the hood

i have a1994 cutlass ciera S, 3.1 motor, it has 5 relays, from the radiator side to the right fender 1) fuel pump, 2) A/C, 3)blower motor,4) fan#1, 5) fan#2, fan #1&2 refer to the radiator fans,#1 fan is the puller fan (motor side) #2 is the pusher fan,( in front of the radiator) ,hope this helps.

Oct 03, 2010 | 1994 Oldsmobile Cutlass Ciera

1 Answer

I have a 1993 oldsmobile cutlass ciera and the fan for the radiator wont turn on but i dont know where the sensor is for it to turn on can u tell me

It is located on the left side at end of radiator. there are three of them one is horn relay one is relay for radiator fan, don't know what the other one is for. I believe the right most one is the one you are looking for

Aug 14, 2010 | 1993 Oldsmobile Cutlass Ciera

1 Answer

97 cutlass running hot an overheating already changed thermostat an temp sensor fans not kicking on checked relays. is there another relay or sensor that runs these

it's a 97 so it could be that the fan motor has died, try jumping power right to the motor if nothing hapen's then u will know it's the motor itself

Jun 05, 2010 | 1997 Oldsmobile Cutlass Supreme

1 Answer

I need to replace turn signal switch on 97 olds cutlass supreme.

Disconnect the battery to do any service on the steering column or front radiator areas.

Jun 30, 2009 | 1997 Oldsmobile Cutlass Supreme

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I have a 97 Olds Cutlass and it always needs coolant. It appears to be oil in the radiator, either engine oil or transmission fluid. Is there a solution set for this car? I have to add coolant every month....

Substance in radiator could be a sealer put in during manufacturing will be like a paste,would check coolant temp sensor,cooling fan operation and radiator cap 1st.

Jun 16, 2009 | 1997 Oldsmobile Cutlass

1 Answer

Cutlass supreme oldsmobile 1990 running hot

Check to see if your electric radiator fan is turning on. These cars are known for the temperature switch that turns on the fan to go bad. Also, a highly overlooked problem, make sure the fins on your radiator and condenser aren't blocked with debris. Shine a flashlight on the opposite side and look through. Good luck!

Mar 14, 2009 | 1990 Oldsmobile Cutlass Supreme Conv

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that radiator isn't that hard. you have to removethe hose some of the top covers above the radiator, and maybe the fans. make sure you WD-40 all bolts days in advance of project

Nov 18, 2008 | 1994 Oldsmobile Cutlass Ciera

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