Author Topic: '99 mk4 gti turbo, water ingress, noisy heater motor etc  (Read 1068 times)

Offline blown the case

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Hi there, new to the forums so bear with me, just sold a worn out mk2 gti and bought a mk4 gti t, seems a good car  :undecided: but I have a few little problems, firstly there is a constant tap tap noise from the heater motor, its got digi climatronic & briefly stops when you press the recirc button then starts up again at a slightly different tone, even sounds when the engine & cliamte control is switched off ? I presume a replacement heater motor would sort it, if so any one ever removed / replaced one ? any ideas ? HELP !!! :smiley:

Secondly I have noticed over the last few rainy days a slight drip of water below the glove box that deposits on the mat in the footwell, you can actually see a drop forming on the plastic panel below glove box, have checked its not coolant, as no sweet taste. I have removed pollen filter & housing below, didnt see any issues there so replaced it & ran a bead of mastic around the edge, but low & behold it still seems a little wet again today ? HELP :cry:

The previous owner installed a carbon fibre effect air box cylindrical type with a stainless steel pipe that discharges down by the chassy leg, so when you back off the turbo makes a twitter sound ? I always prefer to run cars standard and I am worried that an aftermarket device like this could damage the turbo or cause bad running, has any one any experience ? :evil:

Cheers for any feedback...............blown
99 GTi 1.8 20 valve Turbo : Forge DV, R Tech remap, Carbon Air box / intake

Offline T_J_G

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Re: '99 mk4 gti turbo, water ingress, noisy heater motor etc
« Reply #1 on: 10 March 2009, 13:29 »
Best to post tis in the mk4 section mate!

I thought the water would be from a broken tray above the pollen filter, although if your car has sun roof it could be from the nipples in the door,

Offline blown the case

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Re: '99 mk4 gti turbo, water ingress, noisy heater motor etc
« Reply #2 on: 10 March 2009, 13:36 »
heers dude, have done !! Ta
99 GTi 1.8 20 valve Turbo : Forge DV, R Tech remap, Carbon Air box / intake