Heater Cores and Blower Fans
Cadillac DeVille

What if the blower fan keeps running even after you have shut the engine off 1992 deville?

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2009-01-10 20:02:18
2009-01-10 20:02:18

on a 1990 cadallic sedan de ville after you cut the car off the blower keeps running killing the battery

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Whats wrong when an 86 ford aerostar keeps trying to start after the engine is running?


AnswerIt is an Electric Blower, And it senses that the vehicle is still very warm, so it keeps running to cool the engine -Mr. Mechanic-Could also be the blower motor resistor if it wont turn off at all


The fan should keep running for a few minutes even though the car is off because the engine still is registering hot and needs to be cooled down but, if it continues you to run then you have an electrical problem that needs to be attended to immediately.


No you can not , That is what makes and keeps the engine running


If you want an oil that keeps the engine running cool, Pennzoil is a brand dedicated to making sure it helps with peak engine performance.


yes but i found out if you tap into the wires on the cooling fan it keeps you running cooler and keeps your car running smooth


mass of steel that is well balanced and keeps a engine from running rough ,or shakey


The blower resistor is internally shorted to power and needs to be replaced.



Engine running hot and cooling fan working to cool it down?


Mower has a generator, which is turned by the engine. When engine is running, generator produces electricity to charge the storage battery.


I think the person means the heater blower motor and not a radiator fan motor


If the engine is running, then no. The alternator constantly keeps the battery charged.


Well, the chemical energy in the gas is what keeps the engine running, which is what propels the car.


Running keeps you healthy and fit.


Check your alternater. Sounds like it is bad in which case you are running just on the power from your battery which won't last long.



Well i heard plenty of reasons but the one that actually worked for my olds intrigue 98' was replacing the blower motor resistor which cost about 20 bucks or so.....hope this helps


It literally means the oil that keeps the car's engine cool is running hotter than normal.


The blower is drawing to many amps. Have it checked. If that's not it. your blower motor is shorted out. Om the motor to the frame.


Good cars however motor mounts go's bad causing many other problems. air suspention keeps running when air shocks are leaking weak cylinder head gaskets, weak engine power, lots of SERVICE SOON / SERVICE NOW lights


valvoline is the best oil you can get. its alittle exspensive but it keeps your engine in good strong running condition.


The fan motor keeps running because there is a thermostatic switch that powers it. If it's still hot, the fan will continue to run.


The blower motor gets its power through a relay, and it is not unheard of for contacts of relays to stick together after they are de-energized. As well the (BCM) Body Control Module receives its blower operation signals via the heater control switches, and it energizes that relay. There are so many might be's. There are so many relays and modules in these newer vehicles that it takes an active mind to keep them separated as to which does what. Since the blower continues to run, and the blower relay contacts have an unswitched electrical connection straight from the fuse box, you might have a sticking relay. The heater relay is in the engine compartment fuse box, near the battery and washer fluid container. Something funny that I have done a few times, is that I thought the heater fan was running, but it was actually the engine cooling fans that were running. They are meant to run as long as the engine heat calls for it, Ignition on or not.



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