Author Topic: Cooling problem  (Read 5585 times)

Offline itavaltalainen

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Re: Cooling problem
« Reply #30 on: 29 April 2013, 18:34 »
matrix sits behind the dash. the two pipes are running into the bulkhead roughly where the clutch is, just behind the cylinder head.

2019 Seat Leon ST FR DSG 135kW - eclipse orange - 23k miles

Offline madsb

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Re: Cooling problem
« Reply #31 on: 29 April 2013, 18:55 »
Would really love a picture if it wouldn't be a hassle - English is not my native language :) but I think I might know which hoses it is. They are on the side of the engine bay with the coolant bottle right? One of them got hot (the top one I think) when engine was warm, but the bottom one was cold, so guessing that's air and probably the problem too?

Offline itavaltalainen

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Re: Cooling problem
« Reply #32 on: 29 April 2013, 19:10 »
lucky i happen to have a photo where they are on - just....



2019 Seat Leon ST FR DSG 135kW - eclipse orange - 23k miles

Offline madsb

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Re: Cooling problem
« Reply #33 on: 29 April 2013, 19:42 »
lucky i happen to have a photo where they are on - just....



Awesome!! figured it might be those two, now I'm sure - thanks man. Gonna pull the cold one until water starts coming out :) hoping it'll fix it, as it did with the lower rad hose.

Offline madsb

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Re: Cooling problem
« Reply #34 on: 29 April 2013, 21:27 »
Success! Heat is now coming out of fans :)

Anyway, for people with persistent air problems in coolant, this works for me:

Fill up and run engine with cap off while massaging hoses.
Turn off and let cool.
Remove bottom radiator hose (easiest to do by the end connected to the water pump)
Fill up until coolant comes out of bottom rad hose and then reattach it
Fill up until at an appropriate level
(next steps should be taken if no hot air is coming out from fans in dash):
Turn on the engine (from cold for safety) and remove the bottom or leftmost heater matrix hose from the bulkhead - it's the one that's cold even when the engine is warm
Rev the engine and pour in coolant so the coolant can fill the heater matrix
When coolant comes out of where the hose should be attached, reattach the hose.

Job done, fill up as necessary .

Offline tweed

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Re: Cooling problem
« Reply #35 on: 29 April 2013, 22:46 »
 :smiley:

Thought as such. Glad it's sorted

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