cooling fan

Asked by Aug 24, 2012 at 01:48 AM about the 2003 Volkswagen Jetta GL 1.8T

Question type: Maintenance & Repair

Think I need a new mechanic.  Vw overheated and they diagnosed it as the aux or secondary water pump.  I picked
up my car when finished and 10 mins into the drive it over heated again!  I then realized my cooling fans were not
coming on at all...even after running air cond.  So I had it towed back to shop.  Now they are telling me its the
primary water pump that needs replaced and that a faulty water pump causes the fans not to work.  I do not
believe this is true.  What is your opinion?  Thanks   

3 Answers

18,525

Lol, no. If the water pump wasnt working the fans should be going crazy as it overheats. Things to check are ECT sensors, and the fans and wiring themselves, along with the fan relays.

1 of 1 people found this helpful.

If the pump uses a plastic impeller, these often crack and then slip on the shaft, so there is no water circulation, meaning the radiator fans won't come on (since the sensor is nor getting any hot water from the engine), and the motor overheats. The pump will need to be replaced (new one should have a metal impeller, which won't break) EBdR

I just finished changing my fan motors on my 2003 Volkswagen jetta and fan motor still didn't come on but when I turned on AC both fans came on could the wires be crossed

Your Answer

Add photo

Related Questions

  • Cooling fan 2 answers

    I have a 2015 jetta tdi s. When is the cooling fan supposed to come on? Mine is only coming on when I turn the a/c on

    2015 Volkswagen Jetta

    -

    Maintenance & Repair

  • cooling fan 3 answers

    Think I need a new mechanic. Vw overheated and they diagnosed it as the aux or secondary water pump. I picked up my car when finished and 10 mins into the drive it over heated again! I then realiz...

    2003 Volkswagen Jetta GL 1.8T

    -

    Maintenance & Repair

  • jetta cooling fan run on 2 answers

    my 1194 2.0 cooling jetta fan only ion offcomes on after turning ignit

    1994 Volkswagen Jetta GLS

    -

    Maintenance & Repair

  • Cooling fan failure 9 answers

    Have 09 Jetta 2.5. Parked the car last night, didn't leave anything running that could drain the battery. This morning tried to start the car; nothing. Battery was stone dead. Didn't crank. Tow tru...

    2009 Volkswagen Jetta S

    -

    Maintenance & Repair

  • 2007 auxiliary cooling fan not working 4 answers

    Just picked up my Jetta from the dealership due to a power wire malfunction on the ECU ($564 repair). Upon pickup the mechanic said the auxiliary fan is not working and main fan is running slow. Nev...

    2007 Volkswagen Jetta 2.5L

    -

    Maintenance & Repair

Jetta

Looking for a Used Jetta in your area?

CarGurus has 42,566 nationwide Jetta listings starting at $1,000.

ZIP:

Search Volkswagen Jetta Questions

Volkswagen Jetta Experts

#1 Goodwrench707
Goodwrench707
Reputation 2,280
#2 Deathjam4
Deathjam4
Reputation 1,750
#3 Scott Sr.
Scott Sr.
Reputation 1,410
View All

Related Models For Sale

Used Volkswagen Passat
257 Great Deals out of 24,992 listings starting at $999
Used Honda Civic
809 Great Deals out of 88,112 listings starting at $1,299
Used Volkswagen GTI
99 Great Deals out of 7,260 listings starting at $2,400
Used Honda Accord
948 Great Deals out of 77,757 listings starting at $899
Used Volkswagen Golf
57 Great Deals out of 3,635 listings starting at $1,600
Used Toyota Corolla
856 Great Deals out of 70,589 listings starting at $1,874
Used Toyota Camry
1,100 Great Deals out of 90,760 listings starting at $1,599
Used BMW 3 Series
945 Great Deals out of 30,262 listings starting at $1,000
Used Audi A4
293 Great Deals out of 10,505 listings starting at $1,200
Used Nissan Altima
1,147 Great Deals out of 79,679 listings starting at $500
Used Mazda MAZDA3
281 Great Deals out of 32,562 listings starting at $1,300
Used Volkswagen Beetle
190 Great Deals out of 9,456 listings starting at $1,300
Used Ford Focus
634 Great Deals out of 57,259 listings starting at $795

Used Cars For Sale

2017 Volkswagen Jetta For Sale
11 Great Deals out of 26,153 listings starting at $9,919
2016 Volkswagen Jetta For Sale
59 Great Deals out of 2,195 listings starting at $8,991
2015 Volkswagen Jetta For Sale
86 Great Deals out of 2,943 listings starting at $7,250
2014 Volkswagen Jetta For Sale
126 Great Deals out of 4,261 listings starting at $4,995
2013 Volkswagen Jetta For Sale
51 Great Deals out of 1,559 listings starting at $4,999

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.