Coolant tank replacement bleed question

T5R92011 · Aug 23rd, 2018, 10:40

Hi Chaps,

I have to replace the coolant expansion tank and the lower rear coolant pipe that goes from the back of the tank and connects just behind the engine, near the turbo.

Question is, if I replace this pipe, will I have to vaccum bleed the entire system or is this close enough to the expansion tank to not be a problem?

Clan · Aug 23rd, 2018, 11:34

just fill to the top , over the full line , and go for a run to fully warm it up then let it cool , top up and that is it ...

T5R92011 · Aug 23rd, 2018, 13:49

Awesome, thanks Clan.

Welton · Aug 24th, 2018, 09:19

When I did mine I syphoned out the water from the tank and then undid that big hose at the back and just propped it up on rags so it wouldn't leak out. Once all reconnected and filled it just sorts itself out.

Aug 23rd, 2018, 10:40	#1
T5R92011 FCW Auto Service Last Online: Today 18:14 Join Date: Feb 2015 Location: Gloucester	Coolant tank replacement bleed question Hi Chaps, I have to replace the coolant expansion tank and the lower rear coolant pipe that goes from the back of the tank and connects just behind the engine, near the turbo. Question is, if I replace this pipe, will I have to vaccum bleed the entire system or is this close enough to the expansion tank to not be a problem? __________________ FCW Auto Service (Gloucester) https://www.fcw-autoservice.com

Aug 23rd, 2018, 11:34	#2
Clan Experienced Member Last Online: Today 14:22 Join Date: Jun 2007 Location: L/H side	just fill to the top , over the full line , and go for a run to fully warm it up then let it cool , top up and that is it ... __________________ My comments are only based on my opinions and vast experience .

Aug 23rd, 2018, 13:49	#3
T5R92011 FCW Auto Service Last Online: Today 18:14 Join Date: Feb 2015 Location: Gloucester	Awesome, thanks Clan. __________________ FCW Auto Service (Gloucester) https://www.fcw-autoservice.com

Aug 24th, 2018, 09:19	#4
Welton Premier Member Last Online: Sep 14th, 2021 17:03 Join Date: Feb 2009 Location: Market Harborough	When I did mine I syphoned out the water from the tank and then undid that big hose at the back and just propped it up on rags so it wouldn't leak out. Once all reconnected and filled it just sorts itself out. __________________ 2005 S40 T5 SE - Manual. Bilstein B4's. (For Sale) 2010 Citroen C4 1.6 HDi (bizarre Gearbox model). 2010 Renault Twingo (refreshingly simple) 2018 Infiniti Q30 1.6T Business Executive (what's this button do?)

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