Questions tagged [fan]

An instrument for producing a current of air

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37 votes
3 answers
13k views

Why are the blades of car radiator fans unevenly spaced?

Fans that look like this: Is it to somehow help the balance of the engine?
Sam's user avatar
  • 1,708
9 votes
6 answers
4k views

Using sunshine to cool down the car

Why can't the sunshine (that turns a car into an oven) be used to run the aircon? Or at the very least, a fan? For example - a long thin fan that fits into the top of the window - preventing it from ...
Danny Schoemann's user avatar
9 votes
2 answers
2k views

Shutting off fans at highway speeds

On my vehicle (92 Civic) and most others I've seen, the condenser fan comes on whenever the A/C clutch is engaged. This seems like a waste of electricity (and thus fuel) when cruising at 60-75 mph, ...
R.. GitHub STOP HELPING ICE's user avatar
6 votes
1 answer
3k views

Mazda 2 engine fan starts after turning engine off

Apologies for some unclear terms, I have no idea how some of the components are correctly called in english. I have a 2003 Mazda 2 DY gasoline with about 77k KM driven. Since a couple of months, the ...
Lennart's user avatar
  • 185
6 votes
1 answer
1k views

Vauxhall Vectra C Blower Motor Sqealing / Clunking

I have just replaced my Blower Motor Resistor as my fan wouldn't work on any setting other than 4 (in line with a previous post: How to troubleshoot a fan that won't work unless it's on it'...
webnoob's user avatar
  • 241
6 votes
1 answer
228 views

2009 prius front grill fans blowing air out

I have been having trouble with my ac blowing hot air at low speeds, and found my fans on the front grille are blowing air outwards instead of into the engine compartment. Im hoping its an easy fix, ...
Bob's user avatar
  • 61
6 votes
1 answer
4k views

Fan accelerates increasingly when idle/at a stop

I have a 2004 Jeep Grand Cherokee. While sitting in idle/at a stop, temperature increases a little to just above 210 and the fan is increasingly loud - sounds like it's going to burst out. It also ...
J Monroe's user avatar
5 votes
2 answers
1k views

Noisy blower fan in 92 Civic

The blower fan in my Civic is really loud on the high setting; from inside the vehicle, it's much louder than the engine and even louder than wind/road noise at highway speed. Reaching up under the ...
R.. GitHub STOP HELPING ICE's user avatar
5 votes
1 answer
4k views

The ac clutch kicks on and off in sync with the radiator fan. This is definitely not right. Whats wrong?

The clutch on the AC compressor and radiator fan seem to kick on and off at same time with a 2 to 3 second delay. I suggested maybe a relay fault or a faulty connector. Please help, mom has dialysis ...
Monie's user avatar
  • 71
5 votes
5 answers
6k views

"Fan hitting something" noise when switching on "Inside Air" button

When I start my car, and while it's still at idle and stationary, I hear a noise which sounds like a fan or belt hitting something, but at a low frequency of 4 Hz. The sound is like rubber or plastic ...
Monstieur's user avatar
  • 153
5 votes
3 answers
3k views

Testing radiator fan

I took the fan out from my engine compartment and am now ready to test it. It consists of two fans, one larger than the other connected I believe in series with two large wires, one red, one brown ...
user1561108's user avatar
5 votes
1 answer
3k views

How to troubleshoot a fan that won't work unless it's on it's on the highest setting?

My car fan won't work unless it's on 4 (full power). I have 4 options of power for the fan 1 - 4 but nothing happens on options 1 - 3. I have taken the panel off and cleaned all the contacts for the ...
webnoob's user avatar
  • 241
4 votes
1 answer
2k views

99 Corolla blower motor noise - possible cause?

I'm looking for someone to validate or disprove my opinion. Here is a video of the issue. https://www.dropbox.com/s/fjs8xtu0v9ikuov/IMG_3947.MOV?dl=0 The prior owner was a smoker and used in-vent ...
emican's user avatar
  • 223
4 votes
1 answer
1k views

Why do some air cooled engines use a fan with unevenly spaced blades?

The image below is of a "Predator 670" engine with the fan shroud removed. These engines are available in the United States at Harbor Freight. It is a simple air cooled twin cylinder design, commonly ...
Eric Urban's user avatar
  • 1,286
4 votes
2 answers
3k views

2002 Honda Civic over heating fan does not comes on

I need some help. My girlfriend has a 2002 Honda Civic that keeps overheating. The fan doesn't turn on. We tested both fans and they work properly. We changed the thermostat, the cooling fan switch ...
Wayne sampson's user avatar
4 votes
2 answers
198 views

'93 Ford Ranger 3.0L V6 Engine Only Runs Without Fan

I've recently replaced the belt tension pulley and a little after a week the engine had trouble running. The next day I tried to start it it wouldn't run without constantly pressing on the gas while ...
user2978's user avatar
4 votes
1 answer
2k views

The interior fan on my 2012 Fusion squeaks: lubricate it?

I recently purchased a used 2012 Ford Fusion. When the interior fan is blowing at a low speed (1 or 2), it makes an annoying squeak. Can I put a few drops of lubricant somewhere to fix this? Does it ...
Brannon's user avatar
  • 143
4 votes
1 answer
2k views

How can I remove heating blower fan from the blower motor - Mercedes-Benz 308D van?

How I can remove the plastic fan from the axle of the heating blower motor? The vehicle is a Mercedes-Benz 308D van from 1992. The blower motor is a Bosch part number 0 130 007 027. I know that also ...
ria's user avatar
  • 1,344
4 votes
0 answers
132 views

Highest Fan Speed on AC/Heater Blower no longer works.

I've found a couple of posts here about blower fans that only operate on high speed, but the issue I'm having is the opposite. All of the fan speeds work except for the highest speed (really the only ...
elliotwhitehead's user avatar
4 votes
1 answer
2k views

How to remove engine cooling fan from a W169 Mercedes A-Class

How do you remove engine cooling fan from A-Class Mercedes W169?
George Duncan's user avatar
4 votes
0 answers
866 views

Mazda 323 2003 astina radiator fan not working

Having problem with the cooling fan, when car start fan won't turn on. I been researching online, people have suggested replacing the coolant temperature sensor and some suggest the temp gauge sensor (...
Jas's user avatar
  • 41
3 votes
2 answers
186 views

Why is it still overheating

I have a 99 V-10 Triton that keeps over heating. I have replaced the water pump, thermostat, and heater core, flushed the entire system and put a dual electric fan on it. It was good for awhile. ...
Terry Lynn Jackson's user avatar
3 votes
3 answers
14k views

2008 Mazda 3 engine cooling fan won't work

The electric engine cooling fan won't come on in my Mazda 3. The first thing I did (a mistake, in retrospect) is replace the original fan. When the new fan didn't run, I ran through the electrical ...
Matt's user avatar
  • 255
3 votes
1 answer
7k views

Only one radiator fan running

Today while adding coolant to my car, I noticed that once the car reached running temperature only the fan on the passenger side had turned on. I checked the connection and that was fine, the fuses ...
JRLambert's user avatar
  • 235
3 votes
1 answer
5k views

97 Honda CRV overheating and radiator fan not turning on by itself

I have a 97 Honda CRV that is overheating while standing still. The temp gauge will go up to 3/4 mark and the radiator fan will not turn on. I can turn the A/C on or heat at max and the temp starts ...
bymario's user avatar
  • 31
3 votes
1 answer
3k views

Why wont my #1 fan run on my on 2003 Pontiac Grand Am?

I have an overheating problem and I've found that my #1 fan that should be coming on at or about 195 degrees isn't coming on. I've checked the fan motor, it's good, I've checked the fuse and relay and ...
Ron's user avatar
  • 31
3 votes
1 answer
273 views

How to install an electric motor-driven radiator cooling fan instead of the belt-driven one?

I want to know about how to install an electric motor-driven radiator cooling fan instead of the belt-driven one. Vehicle: 1998 Mitsubishi-fuso fm617 Engine: Mitsubishi 6d16 diesel engine (radiator ...
user2626169's user avatar
3 votes
1 answer
3k views

AC/heater fan only blows at high speed [duplicate]

All of a sudden the AC/heater fan on my 2004 Toyota Matrix does not work properly. The fan has four positions. The first 3 no longer blow air at all, but the 4th position (the highest) works. A ...
Keltari's user avatar
  • 375
3 votes
3 answers
4k views

Removing a Viscous Fan without the serpentine belt (1998 Land Rover Discovery)

The PAS pump on my Discovery failed fairly spectacularly last week, shedding it's pulley at the side of the road. In order to get at it to replace it, I need to get the fan off, which requires undoing ...
Nick C's user avatar
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3 votes
1 answer
4k views

AC turns itself off - 2004 Mazda 3

I have this odd issue where if my AC is on - usually on the face/feet setting and seemingly only if the fan is above 1, the AC will just turn itself off. EDIT: it usually will be on for a while, it ...
Harv's user avatar
  • 467
3 votes
1 answer
164 views

Fans not working car keep running hot ac stop

My Pontiac G6 2007 - It keeps getting hot. The fan is not cutting on the water keeps bobbling. It's making my AC stop working and now I'm hearing a sound like when your power steering is empty, but it ...
Mizzfresh Bussit's user avatar
3 votes
2 answers
6k views

2001 Monte Carlo ss. 3.8 liter cooling fans

2001 Monte Carlo ss with a 3.8 liter motor in great condition. The problem is... check engine light on, Temperature gauge not working and cooling fans stay on for 5 minutes after turning car off. ...
Troy Seedig's user avatar
2 votes
4 answers
2k views

engine has too much cooling especially when driving hard

I'm trying to figure out why my engine temp is always very low. I do know for a fact that my gauges work. My car is a 4-afe toyota with a stock radiator and a modified fan. I also installed 2 ...
marchemike's user avatar
2 votes
2 answers
3k views

Squeeze some extra life out of radiator and condenser fans

Both my radiator and condenser fans are whining, high pitch and loud, presumably from the bearings although maybe something else is rubbing somewhere. They started around the same time, I think it ...
Jason C's user avatar
  • 4,900
2 votes
3 answers
79 views

Loud whirring from AC compressor fans

I've seen a wide range of posts related to this topic, which makes it really difficult to narrow down relevant information that is applicable to my case. I'm hoping to get a more definitive answer by ...
Arctiic's user avatar
  • 141
2 votes
2 answers
2k views

Radiator fan not turning on automatically

Make and model: 1999 Opel Corsa 1.3l My radiator fan doesn't turn on automatically when the engine starts heating up. I have to stop the car and physically plug it out to work. Any suggestions on ...
Brendon's user avatar
  • 21
2 votes
2 answers
259 views

The AC will not get cold unless driving

The fan in front of my radiator is not turning on. my cars AC does not get cold unless im driving over 30 mph. any solutions? 2007 Jaguar X-Type
marcus mora's user avatar
2 votes
1 answer
102 views

98 Honda Accord 2.3L

I have a 98 Honda Accord. I replace the radiator and cooling fan, now they come on as soon the ignition is turned on and 30 seconds later the heat gauge goes to high.I am wondering if I have a ...
wayne Evans's user avatar
2 votes
1 answer
114 views

When should engine fans turn on to cool transmission?

2010 Silverado 1500; automatic transmission; 500,000 km. I suspect the engine fans are not turning on when they should. Reason: When stuck in traffic recently, the truck became sluggish and slammed ...
User1974's user avatar
  • 931
2 votes
2 answers
6k views

Should the radiator fan operate while the car is moving?

I have noticed in my car that has an issue with overheating sometimes that even when Im driving 60KM/h+ that the radiator fan kicks at high speed. What I understand that when the car is on the move ...
tHeHok's user avatar
  • 21
2 votes
1 answer
43 views

Noise from Hood (front grill) Engine Off

I have a 2008 Honda Accord EX 3.5L V6, with about 152k mileage. Very recently, after driving for about 15-20 minutes of a normal commute, I shut my car off, there is a noise (fan-like) noise coming ...
Emad's user avatar
  • 31
2 votes
2 answers
6k views

Ventilation fan (blower fan) stopped working

I have a problem in My Car (Opel Corsa-c 2006), The Ventilation fan (Blower fan) stopped working, What was happen the fan was working fine, I turned on the car while the fan was on the last speed, it ...
JustMe's user avatar
  • 191
2 votes
2 answers
66 views

Upsizing a hot rod cooling fan from 7a to 20a

12v car power supply with 160a alternator and 30a relay, will this system support upsizing the cooling fan from 7a to 20a?
user avatar
2 votes
1 answer
1k views

Cooling fan shuts off after getting up to temp

Working on an overheating issue on my 2008 Mustang GT. Car starts normally after sitting all night and fan starts up when I click on the AC. Let the car run (or drive it in traffic) and as soon as ...
Zeus's user avatar
  • 21
2 votes
1 answer
1k views

Where are the fan relays for the 2007 v8 Monte Carlo

I'm looking for the fan relays for a 2007 Monte Carlo V8. My fans are not turning on. So I need to check the relays to make sure that they are receiving power.
darrell's user avatar
  • 21
2 votes
1 answer
1k views

Lexus HS 250h car; a/c noise from inside the car

I am getting these kind of noise https://youtu.be/QhmK7oDX1tE Any idea what's wrong? Car details Year : 2010 Model : Lexus hs250h Its happening when I switch AC/Fan on and it last for 30 sec and ...
SteveJ's user avatar
  • 21
2 votes
1 answer
2k views

Engine temperature increases when idling though thermo fan is working

I am trying to diagnose an issue with my Mk1 Golf. The engine heats up when the car is idling or in traffic but cools down almost instantly when I start moving again. I would presume this is the ...
MeltingDog's user avatar
  • 3,716
2 votes
1 answer
53 views

1996 gmc 3500 cube vanheater problems

1996 gmc 3500 cube van when heater fan is on and in cold position it blowes very hard but when you turn it to full heat it hardly blows at all?? what do I need to clean or fix
Jeff's user avatar
  • 23
2 votes
1 answer
617 views

Fan switch not working

On my 2006 Dodge Ram 1500, my fan switch only has 2 modes now: off and high. On the low and medium settings the fan turns off. Do I just need to replace the switch or is there more to it than that?
Tim's user avatar
  • 908
2 votes
1 answer
43 views

Persistent Radiator Fan Motor Issues - Need Expert Advice

I've been dealing with an ongoing issue with my 2012 Renault Logan's radiator fan motor repeatedly failing. I purchased the car about 10 months ago, and everything was fine until the hot summer months ...
Gotem's user avatar
  • 175