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cooling

  1. Cooling System Problem Solved

    B5 Garage
    I posted this report on the "other" forum and post it here thinking it may benefit others. 2003 1.8T 5.5 Passat: Was having long term problem with engine loosing coolant and over heating. Trying to find a leak, with engine was running, saw coolant spraying out at the well-concealed "coolant...
  2. Cooling fan issues.

    Volkswagen Passat B6 Discussion
    Last week i had fans that wouldnt shut off til the battery died. I replaced the fan control module alond with a bad testing battery and alt. Also replaced coolant temp sensor for the hell of it. Now fans wont come on at all unless i remove fuse 26 under the hood and jump the furthest right...
  3. Cooling fan will not turn off.

    Volkswagen Passat B5 Discussion
    2003 Passat 1.8t Wagon, GLS AWM engine code. I bought this vehicle while living in the mountains, now I am in a wrm climate, have found a connection under the hood by the power steering pump area, when I connect the connectors my electric cooling fan comes on and will stay on until the battery...
  4. new member intro, need help with cooling system on 08 passat 2.0t

    New Member Introductions
    im new to vw. stepdaughter crashed her 08 passat 2.0t. smashed the front end. i got a radiator, intercooler trans cooler etc from a salvage yard to try to piece this car back together. the first major issue i ran into is the radiator seems to be different than what came out. both radiator hoses...
  5. Dorman Cooling Fan Combo- Are these good prducts?

    Volkswagen Passat B6 Discussion
    Hi, I have a 2007 Passat B6 2.0 Sedan automatic. Both main and a/c fans are not working. Has anyone used the replace combo fans from Dorman below? Are they reliable...
  6. Is it time to refresh, rebuild, or repair your cooling system?

    Volkswagen Passat B6 Discussion
    Does your heat not work? Chances are your cooling system is ****** and it's time for a refresh. Let us help you with our refresh kits. Click HERE to refresh, rebuild, or repair your cooling system
  7. Cooling System Problems.

    New Member Introductions
    Hello friends. I suppose I start at the beginning. 2003 Passat 1.8 engine , automatic transmission, 60,000 miles and never had any issues aside from thermostat, coolant flange replacement and temp. sending unit. About two weeks ago there was a small leak from the plastic coolant flange on the...
  8. 2013 VW CC Cooling fan issues...

    Volkswagen Passat CC Discussion
    I apologize in advance if there's a thread on this but I couldn't find my specific issue. Neither of my fans are working. I have checked the fans, the fuses and the module which are all fine. I'm down to either the relay or the PCM. The problem is VW neglected to put in the manual the fuse...
  9. Need help with Cooling performance problems 2003 passat 1.8t

    Volkswagen Passat B5 Discussion
    Ok I bought 2 parts store thermostats and none would open. So i Bought the Mishimoto MMTS-GTI-99 Racing Thermostat. I put it in and it would get to 220 degrees when giving it gas if I let off it would go back down to 190. So I took it out and ran it without the thermostat and it stays around...
  10. 2001 Pasat 1.8t - Major Cooling Leak

    Volkswagen Passat B5 Discussion
    My step daughter's 1.8t Pasat Wagen has a major coolant leak at the back of the engine. It is so large a leak that the pump pushes all the coolant out of the system within minutes. Looking at the illustrations (pictures and such) of the cooling system, the likely cause is a busted or...
  11. Cooling fan issues

    Volkswagen Passat B6 Discussion
    06 passat 3.6 4matic car overheats at idle neither fan turns on with ac on pulled the fans hooking direct power to the two smaller pins in the connector both fans run fine but when plugged in wont run at all couldnt find anyposts with the same looking connectors or much else any help is appreciated
  12. Aux cooling fan control module innards?

    B5 Garage
    Anybody been inside one of those devices? It's not just a resistor in a box is it? I'm thinking mosfet with pwm control. I know something of electronics and it seems like a piece that could be inexpensively repaired, and perhaps improved; they seem to be failure points. Mark S. 2003 Passat v6...
  13. Guide to Draining/Flushing/Bleeding V6 Cooling System

    Volkswagen Passat B5 Discussion
    Hi all. Although Im fairly competent mechanically, Im totally new to working on the passat and Im therefore looking for an idiots guide to draining/flushing/bleeding the V6 cooling system, particularly the bleeding aspect. My engine is the 2001 2.8 V6, I have attached a photo for identification...
  14. Secondary Cooling Pump Leak??? Jay the Snork? PZ? Tomvw?

    Volkswagen Passat B5 Discussion
    I was chasing a burning electrical smell in my 2000 V6 FWD. I ran it down to the electrical connector on the bottom of the secondary cooling pump. http://www.passatworld.com/forums/volkswagen-passat-b5-discussion/337533-secondary-coolant-pump-b5-v6-can-i-disconnect.html thread seems to indicate...
  15. 2007 2.0t Cooling fans not coming on, fcm and fan replaced. Thermostat replaced

    Volkswagen Passat B6 Discussion
    So this saga begins with the overheating of the car. No spray or steam (ie, hoses intact) and coolant level fine. Had the car towed to the house. First thing everyone says is to replace the thermostat. In this car you have to take off the alternator, etc. etc. and then you replace the whole...
  16. Electric Cooling Fan Issue - Only Operates when A/C is on

    Volkswagen Passat B5 Discussion
    03 Passat Wagon GLX V6 4MO - I can't find the actual relays - help requested - see below I am in need of some help in diagnosing an auxiliary cooling fan issue. I have read through previous PassatWorld posts on the electric fan and have read through the Bentley manual. The fan will not come...
  17. MK6 2010 Passat B7 TDI running cold - Please help

    Volkswagen Passat B7 Discussion
    Hi, I'm looking for some assistance in trying to diagnose my 2010 B7 3C 125TDI CFGB engine Passat which is running cold. Initially I suspected the thermostat because even after an hour running along the freeway, the temperature would float around 50-60c (outside temperature between 5-15c)...
  18. 2007 Passat cooling fan problem

    New Member Introductions
    I have gained so much info on how to make small repairs on my passat from reading from this forum. Now I'm posting from the noob tube in an attempt to get specific answers. My 2007 Passat with the 2.0 turbo is overheating when the AC is on and I am in traffic. Following the advice of this forum...
  19. Cooling hose part number help

    Volkswagen Passat B5 Discussion
    Hey guys, I found the leak that my wife was complaining about the other day. The leak was in the hose that runs from the oil cooler to the bottom of where the top radiator hose goes into the block. Does anybody have any idea what the part number for that use would be? I looked all over...
  20. Insight regarding cooling fan weirdness

    Volkswagen Passat Early B Platforms Discussion
    I'm getting very close to having this '97 VR6 on the road. Been slowly chipping away at fixing all the minor/major issues that it had when I bought the car in February. I am now basically working on cosmetic stuff and making the car (hopefully) enjoyable to drive. However, I've recently...
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