Heating System is full of water !!

Jul 6th, 2002, 20:15

Having discovered a wet passenger foot well I took the heater motor out to see if there was any water in there. Once I had removed the motor I found all the plastic housings to be swimming with rain water.

My car is an 855 GLT. It has no air con.

There must be some drainage for the heater system, but I can't find any such pipe.

Where has all the water come from?
Why will it not go?
I really want to solve this one without having to take it to the dealers, I'm still suffering from a crankshaft oil seal and four new discs. I'm sure I can crack this one on my own, with some help from you guys!

Help!

Cheers,
John.

Jul 7th, 2002, 11:38

Just to save any hassle, I've sorted it all by myself!

If anyone's interested, there's a drain tube at the bottom of the ventelation system, under the dash. The nipple at the bottom was blocked. I unblocked it and gallons of water sloshed out. I managed to get the tube back on, so most of it landed on the drive.

markas · Jul 9th, 2002, 08:02

Hi ya,

Yes if you look there are quite a few drain pipes in our cars and its worth pouring water down them occasionally to make sure they all function. Don't forget the ones in the sun roof as these run to the front and back down the pillars.

Mark.

AlastairL · Jul 9th, 2002, 09:09

Can you tell me more about where these are?
Alastair Lauener 850 estate

Jul 9th, 2002, 13:22

The drain tube for the heating system is under the centre console. The easiest way to get to it is from the driver's side. Remove the trim panel under the steering wheel, carefully peel back the carpet, unclip and move back the black plastic housing. You'll then see the rubber tube that runs from the bottom of the white heater system housing into the floor.

I dunno where, exactly, the sun roof one is.

Hope that helps.

Cheers,

John.

markas · Jul 9th, 2002, 16:49

Hi ya,

The sunroof comes down the 'a' piller and then into one of the two tubes located on eitherside of the bulkhead, the other being the wiper cover drainer.

mark.

AlastairL · Jul 10th, 2002, 09:12

Thanks folks, I had already found the two either side of the bulkhead under the bonnet, one was blocked which surprised me as it was a fairly large diameter
Alastair Lauener 850 estate

Jul 6th, 2002, 20:15	#1
aramis Guest Location:	Heating System is full of water !! Having discovered a wet passenger foot well I took the heater motor out to see if there was any water in there. Once I had removed the motor I found all the plastic housings to be swimming with rain water. My car is an 855 GLT. It has no air con. There must be some drainage for the heater system, but I can't find any such pipe. Where has all the water come from? Why will it not go? I really want to solve this one without having to take it to the dealers, I'm still suffering from a crankshaft oil seal and four new discs. I'm sure I can crack this one on my own, with some help from you guys! Help! Cheers, John.

Jul 7th, 2002, 11:38	#2
aramis Guest Location:	RE: Heating System is full of water !! Just to save any hassle, I've sorted it all by myself! If anyone's interested, there's a drain tube at the bottom of the ventelation system, under the dash. The nipple at the bottom was blocked. I unblocked it and gallons of water sloshed out. I managed to get the tube back on, so most of it landed on the drive.

Jul 9th, 2002, 08:02	#3
markas VOC Member Last Online: Mar 7th, 2024 14:11 Join Date: Dec 2002 Location: Stafford	RE: Heating System is full of water !! Hi ya, Yes if you look there are quite a few drain pipes in our cars and its worth pouring water down them occasionally to make sure they all function. Don't forget the ones in the sun roof as these run to the front and back down the pillars. Mark. __________________ Polishing Mark VOC 850 class winner 1998 to 2007 Rejoined 2022

Jul 9th, 2002, 09:09	#4
AlastairL Member Last Online: Sep 23rd, 2008 23:28 Join Date: Jan 1970 Location: Kinross	RE: Heating System is full of water !! Can you tell me more about where these are? Alastair Lauener 850 estate

Jul 9th, 2002, 13:22	#5
aramis Guest Location:	RE: Heating System is full of water !! The drain tube for the heating system is under the centre console. The easiest way to get to it is from the driver's side. Remove the trim panel under the steering wheel, carefully peel back the carpet, unclip and move back the black plastic housing. You'll then see the rubber tube that runs from the bottom of the white heater system housing into the floor. I dunno where, exactly, the sun roof one is. Hope that helps. Cheers, John.

Jul 9th, 2002, 16:49	#6
markas VOC Member Last Online: Mar 7th, 2024 14:11 Join Date: Dec 2002 Location: Stafford	RE: Heating System is full of water !! Hi ya, The sunroof comes down the 'a' piller and then into one of the two tubes located on eitherside of the bulkhead, the other being the wiper cover drainer. mark. __________________ Polishing Mark VOC 850 class winner 1998 to 2007 Rejoined 2022

Jul 10th, 2002, 09:12	#7
AlastairL Member Last Online: Sep 23rd, 2008 23:28 Join Date: Jan 1970 Location: Kinross	RE: Heating System is full of water !! Thanks folks, I had already found the two either side of the bulkhead under the bonnet, one was blocked which surprised me as it was a fairly large diameter Alastair Lauener 850 estate

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