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    Thread: Mk3 VR6 GTI Fans Not Coming On . Help Plz, Thanks

    1. Member Teh_Chris's Avatar
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      Dec 30th, 2007
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      04' MkIV TR .:R32 /04.5' MkIV BMP GLI/ 96' MkIII VR6 GTI
      07-27-2012 09:46 AM #1
      Ok so i took the car off the road to replace my exhaust and change my waterpump/crackpipe/thermostat/coolant hoses ....the cooling fans rans fine before & never gave me any issues the coolant temp gauge always stayed right at midpoint , now they wont turn on until the car gets to around 230 on the gauge ..... or not at all

      i now have the following BRAND NEW items and the fans still dont work ....
      -radiator
      -fans
      -71 degree tstat
      -sensor in the radiator
      -all 3 sensors in the tstat housing
      -fan control module
      -coolant ball and cap
      -coolant lines
      -crackpipe
      -waterpump

      can anyone thro any ideas in here that would help ive checked the all the fuses in the car , the only thing left it could be is the wiring . anyone know of any diagrams for hardwiring the fans to a toggle switch or even hardwiring them so they come on as soon as the car starts ??
      _R-1-3-5 _
      _└-┼-┼-┤_+AWD_=_WIN!!
      -__2-4-6____

    2. Member Capeman121's Avatar
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      95 vw golf
      08-10-2012 01:26 AM #2
      Quote Originally Posted by Teh_Chris View Post
      Ok so i took the car off the road to replace my exhaust and change my waterpump/crackpipe/thermostat/coolant hoses ....the cooling fans rans fine before & never gave me any issues the coolant temp gauge always stayed right at midpoint , now they wont turn on until the car gets to around 230 on the gauge ..... or not at all

      i now have the following BRAND NEW items and the fans still dont work ....
      -radiator
      -fans
      -71 degree tstat
      -sensor in the radiator
      -all 3 sensors in the tstat housing
      -fan control module
      -coolant ball and cap
      -coolant lines
      -crackpipe
      -waterpump

      can anyone thro any ideas in here that would help ive checked the all the fuses in the car , the only thing left it could be is the wiring . anyone know of any diagrams for hardwiring the fans to a toggle switch or even hardwiring them so they come on as soon as the car starts ??
      Bump. Did u get any info or anyone got Ideas? Is wiring the fan power line to a fuse such as the radio or fuel pump a bad idea? Just a thought.

    3. Member silverjettin's Avatar
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      1998 Ginster VR6T
      08-10-2012 01:37 AM #3
      if everything worked good beforehand, id look at one of the new parts being faulty..possibly the thermostat?
      "Milk and cookies for the rookies, coffee and donuts for the grown-ups"

      abt single rounds - Jetex Exhaust - Gti Mats - Ginster seats :
      http://forums.vwvortex.com/showthrea...s#post82800752

    4. Member
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      95 gti vr6
      08-10-2012 04:15 AM #4
      So fans dont work period? or only work on one speed?

      Car have AC or have you done any ac work....

      You need to test the wiring at the plug , at the Fan switch on the radiator. Check my past thread on my AC problems bud i have alot of videos i made on the varios areas to test. Pretty much your standard procedure for any fan problems.

    5. Member sk8too's Avatar
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      97 Jetta VR swapped. 2010 CC VR Executive
      08-10-2012 08:43 AM #5
      not being a jerk, but kinda sounds like maybe the thermostat may be in backwards...
      97 Jetta GL, OBDI VR swapped, 262 cams, GIAC chip, turn 2 style CAI, Magnaflow catback, 2.9 clone manifold, eurospec flywheel, B&G RS2 coilovers, MKIV front and rear seats

    6. Member silverjettin's Avatar
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      1998 Ginster VR6T
      08-10-2012 01:06 PM #6
      Quote Originally Posted by sk8too View Post
      not being a jerk, but kinda sounds like maybe the thermostat may be in backwards...
      thats what i was thinking
      "Milk and cookies for the rookies, coffee and donuts for the grown-ups"

      abt single rounds - Jetex Exhaust - Gti Mats - Ginster seats :
      http://forums.vwvortex.com/showthrea...s#post82800752

    7. Member Teh_Chris's Avatar
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      04' MkIV TR .:R32 /04.5' MkIV BMP GLI/ 96' MkIII VR6 GTI
      08-13-2012 09:13 PM #7
      Quote Originally Posted by sk8too View Post
      not being a jerk, but kinda sounds like maybe the thermostat may be in backwards...
      Quote Originally Posted by silverjettin View Post
      thats what i was thinking
      u ever tried to put a vr thermostat in ..... its literally impossible to do backwards the housing itself is very deep and the cover is just high enough for the tstat to clear .... the lip inside the housing will only allow it to go in one way .....
      _R-1-3-5 _
      _└-┼-┼-┤_+AWD_=_WIN!!
      -__2-4-6____

    8. Member Teh_Chris's Avatar
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      04' MkIV TR .:R32 /04.5' MkIV BMP GLI/ 96' MkIII VR6 GTI
      08-13-2012 09:16 PM #8
      Quote Originally Posted by meximan View Post
      So fans dont work period? or only work on one speed?

      Car have AC or have you done any ac work....

      You need to test the wiring at the plug , at the Fan switch on the radiator. Check my past thread on my AC problems bud i have alot of videos i made on the varios areas to test. Pretty much your standard procedure for any fan problems.
      the ac was deleted and a shorter belt from MJM was used because the owner before me removed the ac lines. the fans only kicked in when the car hit around 230 degrees .... i said fvck the oem fans and wired in 2x10" electric slim fans to a switch and its been fine ever since holds solid just below midway on the temp gauge .
      _R-1-3-5 _
      _└-┼-┼-┤_+AWD_=_WIN!!
      -__2-4-6____

    9. Member Teh_Chris's Avatar
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      04' MkIV TR .:R32 /04.5' MkIV BMP GLI/ 96' MkIII VR6 GTI
      08-13-2012 09:19 PM #9
      also had to make my own foglight harness cuz i got tired of d!cking around with the oem wire harness im just glad my engine harness works ... luckily im an electrician and can do this kinda shyt pretty easy , both wiring harness have been wrapped and heatshrinked up all nice and pretty
      _R-1-3-5 _
      _└-┼-┼-┤_+AWD_=_WIN!!
      -__2-4-6____

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