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Rad fans don't come on with ac changed out rela

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Fans only last a short while before the motors burn out... Run 12 volts to the fan and see if it runs.. Bet you need a new fan assembly.

Posted on Sep 05, 2010

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1995 bwm 318I over heating coolany bubbing


As it runs and arrives at normal temperature and higher, does the radiator fan kick on? (Check that AC is off first.) This should be very obvious with the hood open. If the fan does not kick on, that would explain the over heating.As it gets into the red, turn on the AC, this should kick on both rad fans. If one or both does not work, that is the place to look. If one works with the AC on, it should be enough to drive to a shop. The biggest problem being while standing still. (As you move forward, 40 mph or more, enough air is forced through the rad that you don't need the fan.

While running with the rad cap off, you saw many small bubbles?
Did you see any sign of smokiness coming from the open cap.?
In this case it is possible that the head gasket has failed and is leaking exhaust gasses into the cooling system, forcing out coolant through the overflow.

Nov 21, 2013 | Cars & Trucks

1 Answer

The van is overheating. I have replaced the relay switch, removed the thermostat, the water pump is working fine..but it has 2 fans. one, the one on the passenger side doesn't come on. I have no idea...


First of all, the passenger side fan is for AC, and should come on when AC is on or defrost. Secondly, if you didn't have the heater on when you refilled the cooling system after thermostat was changed, it may just be an airlock. Run engine from cool with heater on and let it run with cap off and top it up as it goes down. Let it run long enough for rad fan to come on and go off 2 or 3 times, and keep an eye on rad level and top it up a couple of inches from top each time it goes down. Then put rad cap back on and try it. Let me know if that helps.

Aug 05, 2011 | 1998 Dodge Grand Caravan

3 Answers

My SVT FOCUS temperature gage keeps going to the red. I changed the thermostat and it's still trying to overheat. I have a Haynes book on FOCUS 2002 to 2005 however; it does not explain how to change...


The radiator fan is most likely to blame. When the temp goes above the normal level the fan should kick on.. If it does not, you need to troubleshoot the rad fan. (Under hood etectrical box, fuse / relay/ etc.)
Also there are 2 of them (fans). The 2nd one is a booster for when the AC is on, to dissapate more heat. Try turning on the AC and see if 2nd fan kicks on. This can often help prevent serious overheating.
Good luck.

Jul 06, 2011 | 2002 Ford SVT Focus

1 Answer

LOOKING FOR R&R STEPS FOR AUTO AC CONDENSOR.


i guess you are asking how to install it
here is how it works
first of all dont buy cheap things.im glad you bought this
here are the steps

Disconnect positive battery terminal.

Drain engine coolant.

Remove engine mounts (2) from van frame and flip them over backwards.

Remove the hood latch (leave cable connected)

Remove the two bars that connects the frame to the inside fender.

Remove the engine coolant overflow tank

remove air filter cover and filter and accordian hose

Remove upper and lower rad hoses

remove the two brackets that holds the rad

remove the two bolts that holds the fan assembly to the rad (one each end)

unplug fan plug

unhook lines from bracket at bottom of fan assembly.

remove fan assembly.

remove bolts from ac lines to condenser.

remove bracket that holds ac lines to rad (I think it's the rad)
lift rad upwards and away from frame enough to lift condenser out.

hope it helps-

Aug 17, 2009 | 2002 Chevrolet Venture Passanger

1 Answer

96 Acura TL is over heating


check that both fans are on.one is the a/c fan and goes on and off with the a/c.make sure there is no air in the system,and change the thermostat

Jul 07, 2009 | 1998 Acura TL

1 Answer

My Cars temperatue gauge is


the rad must run as soon as AC is put on ,some cars have a pressure switch that put the rad on when the gas pressure in the ac system goes up with temperature ,cheapest way round this is to connect fan via a relay to the ac pump feed so as soon as ac is turned on fan comes on

Jun 20, 2009 | 1994 Buick Regal Gran Sport

2 Answers

FUSE BOX DETAILS


left to right...
1. empty
2. e flashers
3.horn, brake lights
4.clock, trunk light, inside light, radio
5. rad. cooling fan relay (AC only)
6. right side running lights
7. left side running lights
8. right high beam and indicator
9. left high beam and indicator
10. right low beam
11. left low beam
12. reverse,turn signal and inst panel
13. main and transfer fuel pumps, auxiliary air reg., ox sensor heater
14. license plate and glove box light
15. wipers
16. rear defogger
17. heater blower (no AC)
18. cig lighter
19. rad cooling fan (no AC)
20. Heater blower (AC)
21. rad cooling fan (AC only)
22. empty
23. Ox sensor, idle stabilizer,seat belt warning relay, (Digifant only, control unit, idle boost control, idle boost valve)
24. inst panel lights, heater control lights
25. reading lamps
26. empty
27. empty
28. empty

Hope this helps...;-)

Apr 17, 2009 | 1992 Volkswagen Fox

1 Answer

How to change under-hood fuse in a994 Mercery Villager


you have fuses there and in the van by the drivers side instrument panel.

here's how to change,
Fuse — Main Fuse Junction Panel NOTE: The MAIN and ALT fuses are high ampere cartridges that are held in place by screws, which must be removed in order to replace the cartridge. For removal of the MAIN or ALT fuse, refer to the procedure in this section. Always replace a blown fuse with a new one having the same amperage rating.

Removal
  1. Remove the appropriate fuse panel cover (14A003).
  1. Pull the fuse straight up from the fuse junction panel (14A068). If the fuse is a cartridge-type, carefully pry the clip, then pull the fuse straight up.
I would also check relays, including inhibtor relay. relas have a relese tab.

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Item Part Number Description 1 14N089 RAD FAN — LO (Low FC Relay) 2 14N089 RAD FAN — HI 1 (High Fan Control [ FC] Relay) 3 14N089 RAD FAN — HI 2 (High FC Relay) 4 14526 PWR WDW 5 14526 ABS (Anti-Lock Brake System) 6 14526 RAD FAN 7 14526 FRT BLWR (Front Blower Motor) 8 14526 MAIN 9 14526 RR DEF (Rear Defroster) 10 14526 ALT (Generator) 11 14526 IGN SW (Ignition Switch) 12 — Joint Connector 13 14526 H/L RH (RH Headlamp) 14 14526 H/L LH (LH Headlamp) 15 14526 ALT (Generator) 16 14526 ENG CONT (Engine Controls) 17 14526 INJ (Injectors) 18 — SEC (Smart Entry Control) 19 — Hoodlamp 20 14526 ABS (Anti-Lock Brake System) 21 14526 HORN (Horn Speed Control) 22 14526 Fuel Pump (PCM) 23 14N089 ASCD Hold (Speed Control Relay) 24 14N089 Bulb Check 25 14N089 Headlamp, RH 26 14N089 INHIBIT (Throttle Position [TP] Switch) 27 9P704 FUEL PUMP 28 14N089 HORN
check 11, 16, 17, 22, 26, 27

Feb 22, 2009 | 1994 Mercury Villager

2 Answers

1992 5.0 camaro no cooling fan except with ac


Yes there is a relay, but first answer this question, do you know the fans don't come on until the engine temp is above 230+ degrees F.? That is almost in the hot zone. run a scanner on the engine and watch the ECT sensor temp reading to verify proper cooling fan operation, a quick test to see if the system works is to unplug the ECT sensor, the fans will go into failure mode and turn on to avoid damage to the engine.

Sep 02, 2008 | 1992 Chevrolet Camaro

1 Answer

I love my 95 Neon and if i don't fix it i'm gonna be SOL


check rad fan fuses,and relaes, and replace the low beam fuse.

Jul 28, 2008 | 1995 Dodge Neon

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