MK5 Golf GTI

All Things Mk5 => Modifications & Technical Area => Technical Workshop => Topic started by: Sharman on December 22, 2009, 09:05:31 am

Title: Coolant level warning
Post by: Sharman on December 22, 2009, 09:05:31 am

I got an audible beep and warning to "STOP", check coolant when I started my car last week. Turned the engine off, checked level, OK. Restarted car again and problem went away. Suspected expansion tank sensor. Took the car to Gilders and they were kind enough to check car and came to the same conclusion. The sensor is prefitted to the tank, so had to order a new one. Quite reasonable at £11. Not fitted yet and I'm still getting the fault, that clears after turning on/off engine. Just wondered if anyone else had the same problem??

Title: Re: Coolant level warning
Post by: xxx_mojo_xxx on December 22, 2009, 11:13:09 am

I've had the orange warning on the display saying check washer fluid... never the red one saying stop... what's the difference?

Title: Re: Coolant level warning
Post by: Sharman on December 22, 2009, 03:50:47 pm

Washer fluid warning will be the windscreen wash bottle, The red one I had is the engine coolant level warning.

Title: Re: Coolant level warning
Post by: liamo on December 24, 2009, 04:10:46 pm

I had the same problem in my TDI a few months back and changed the bottle  but it didnt cure it . I disconnected the battery and the warning cleared for a few months . Its been randomly appering again lately but going off of its own accord .

Title: Re: Coolant level warning
Post by: mortygttdi on December 25, 2009, 12:40:20 am

Liamo have you actually checked the coolant?  im in denial at the moment cos my cylinder head is porous but just putting it off until It finally goes then in goes the S3 engine :grin: :happy2:

Darren

Title: Re: Coolant level warning
Post by: liamo on December 25, 2009, 08:58:59 pm

Yeah i had checked the coolant and its fine , although with the luck im having with this car im sure the porous head problem cant be far away !

Title: Re: Coolant level warning
Post by: steve180179 on January 04, 2010, 08:14:09 pm

I had the same problem yesterday checked the coolant level and it was really low

Title: Re: Coolant level warning
Post by: mortygttdi on January 04, 2010, 08:18:36 pm

Steve do you have a Tdi or a Gti?

Darren

Title: Re: Coolant level warning
Post by: Chris on January 06, 2010, 09:45:40 pm

I had exactly the same problem yesterday, used the car monday and it was fine and coolant level was ok. left it in the garage overnight and came to start it yesterday morning and STOP came up on the screen.  turned the car off and back on again and it cleared. what i also noticed was that my coolant had mysteriously dissappeared. Topped it back upto full and checked for leaks and nothing found. Ran the car all today with no problems and coolant level hasnt moved.

im confused to where it went lol

Title: Re: Coolant level warning
Post by: mortygttdi on February 25, 2010, 01:48:18 pm

just a small update on this, i researched some thing called K-Seal which is a new coolant formula that seals the hole,cracks whatever it is but also mixes with the coolant so doesn't discolour the tank or coolant...i was very sceptical but tried it anyway 2 weeks later and all is well no coolant loss at all :happy2:

Well happy

Darren

Title: Re: Coolant level warning
Post by: Pablos007 on February 26, 2010, 08:13:57 pm

I get the same coolant warning, but only when the temperature is near freezing or below (which is most days at the moment).  No coolant loss or other issues, so will probably change the sensor and see if this cures it.

Title: Re: Coolant level warning
Post by: nc35 on February 27, 2010, 10:44:47 am

Mine uses about 250ml of coolant every 6-8 weeks :(

Think the water pump needs replacing with the timing belt at the next service.  Can't see a leek from anywhere, coolant usually leaves chalky white marks.

It also uses a bit of oil too.  250ml per 2000miles.