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Author Subject: Water loss
tea boy

Senior User

Location: Market Rasen

Registered: 27 Feb 2010

Posts: 632

Status: Offline
Post #1
This is the story;
Went out in the car the other night.
Came home, no more than 60mph (Mrs Tea in with me).
When I parked up the cooling fans came on.
It hasn't done that before.
Had a look, engine was hot, rad was cold.
The rad was half full (or half empty)
I've filled it up, bled it and run it up to temp, can't see any leaks, carpets are dry, no clouds of steam out of the exhaust.

Anyone have any thoughts as to where the water might have gone?

________________________________________

Make tea, not war.

If it ain't broke......fix it until it is.
Posted 11th Aug 2012 at 18:10
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pugpower1986

Junior User

Location: llanymynech

Registered: 28 Mar 2012

Posts: 63

Status: Offline
Post #2
hey pal have you checked the o ring washer on radiator cap, poss losing water through there as steam Smile

hope ya get it sorted pal

________________________________________

98 Cherry Rallye
98 cherry 106 gti
Te@m Cherry Smile
Posted 11th Aug 2012 at 18:40
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bigbadbowen

Seasoned Pro

Location: Winchester

Registered: 21 Nov 2003

Posts: 13,753

Status: Offline
Post #3
When did you last check it ?
Posted 11th Aug 2012 at 18:40
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tea boy

Senior User

Location: Market Rasen

Registered: 27 Feb 2010

Posts: 632

Status: Offline
Post #4
bigbadbowen wrote:
When did you last check it ?


Not checked the water level since I put it back on the road Whistle

________________________________________

Make tea, not war.

If it ain't broke......fix it until it is.
Posted 11th Aug 2012 at 19:57
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BlackSix

Regular

Location: northampton

Registered: 30 Jul 2012

Posts: 156

Status: Offline
Post #5
stuck thermostat?
Posted 12th Aug 2012 at 02:19
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stan_306gti6 Forum Admin

Location: Kent

Registered: 18 Jan 2004

Posts: 21,768

Status: Offline
Post #6
BlackSix wrote:
stuck thermostat?


Engine hot - rad cold would point towards this...Yes

Keep an eye on it now that you've topped it up and bled it and go from there. Thumbs up

________________________________________

"Supercharged - 454.1bhp/317.5lb/ft"
Peugeot 306 GTi-6
2000 (X), Moonstone Love
Posted 12th Aug 2012 at 07:19
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eliotrw

Seasoned Pro

Location: Southwark

Registered: 18 Jul 2010

Posts: 4,864

Status: Offline
Post #7
See now my rad cap area has a slight crack (On the top thread) which I wonder if that could be contributing to my problems...
Based upon the water lost as steam thing?

It might explain why i loose water only when the car has reached a certain temperature :S

________________________________________

Ex- Phase 3 China GTi-6 T-Reg
Posted 13th Aug 2012 at 12:59
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stan_306gti6 Forum Admin

Location: Kent

Registered: 18 Jan 2004

Posts: 21,768

Status: Offline
Post #8
A new rad cap is about £8, fairly cheap way of eliminating it as the problem. Yes

________________________________________

"Supercharged - 454.1bhp/317.5lb/ft"
Peugeot 306 GTi-6
2000 (X), Moonstone Love
Posted 13th Aug 2012 at 13:16
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BlackSix

Regular

Location: northampton

Registered: 30 Jul 2012

Posts: 156

Status: Offline
Post #9
if youre only losing coolant after its reached a certain temperature the cap could well be the culprit but it might be worth having a look for staining on the radiator.

if theres a pinprick in it and coolant is seeping out, the antifreeze leaves behind a residue
Posted 13th Aug 2012 at 15:11
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tea boy

Senior User

Location: Market Rasen

Registered: 27 Feb 2010

Posts: 632

Status: Offline
Post #10
BlackSix wrote:
stuck thermostat?


Not that, when I ran it up to temp the rad gets hot.
Think the fact that the rad was only half full and the fans were running gave me my cold rad.

BlackSix wrote:
if youre only losing coolant after its reached a certain temperature the cap could well be the culprit but it might be worth having a look for staining on the radiator.

if theres a pinprick in it and coolant is seeping out, the antifreeze leaves behind a residue


Not sure what temp I am loosing it at, gauge has not gone much over 80degree when in motion.

Can't see any traces of coolant, I have that pink VAG stuff in there and it is quite noticeable when it leaks.

________________________________________

Make tea, not war.

If it ain't broke......fix it until it is.
Posted 13th Aug 2012 at 19:01
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tea boy

Senior User

Location: Market Rasen

Registered: 27 Feb 2010

Posts: 632

Status: Offline
Post #11
I went out in it today, after 10 mins in the coop car park I had a large pool of water underneath.

When I had a look the water was dripping from the tatty remains of the placcy bag on the PAS ram.

I am hoping that it was just water coming off the air con (surprisingly it still works).

Still plenty of water in the rad.

What do you think?

________________________________________

Make tea, not war.

If it ain't broke......fix it until it is.
Posted 19th Aug 2012 at 19:51
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stan_306gti6 Forum Admin

Location: Kent

Registered: 18 Jan 2004

Posts: 21,768

Status: Offline
Post #12
The air-con leak off pipe is above the PAS protective bag, so most likely it was that. Yes

________________________________________

"Supercharged - 454.1bhp/317.5lb/ft"
Peugeot 306 GTi-6
2000 (X), Moonstone Love
Posted 20th Aug 2012 at 00:32
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tea boy

Senior User

Location: Market Rasen

Registered: 27 Feb 2010

Posts: 632

Status: Offline
Post #13
Cheers StanThumbs up

________________________________________

Make tea, not war.

If it ain't broke......fix it until it is.
Posted 20th Aug 2012 at 18:18
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