Coolant Expansion Tank

What is a Coolant Expansion Tank?

The Coolant Expansion Tank is part of the car Engine Cooling System system. We have 3 associated problem symptoms connected to it.

We also have 12 owner problems that mention it.

What problems can be caused by a faulty Coolant Expansion Tank?
12 problems that mention the Coolant Expansion Tank

Showing the latest 10, see more problems here

1
response
Since having a new battery fitted the roof or boot won’t open

Had a new battery fitted now the roof and boot won’t open

2006 Vauxhall Tigra 1.4
Posted: Jun 12, 2022
1
response
Water comming out expansion tank when car hot

drained water and refill but when gets to 90 degrees expansion tank bubles over have fit new ex cap also no heat from heater just blows cold.

2010 Citroen Berlingo multispace 1600cc
Posted: Apr 24, 2022
1
response
Water comming out expansion tank when car hot

temp goes up to 90 and water bubbles up in expansion tank

2010 Citroen Berlingo multispace 1600cc
Posted: Apr 22, 2022
11
responses
It wouldn't start this morning battery was flat

Eventually got the car going but no power on the accelerator

2005 Vauxhall Tigra 14
Posted: Apr 13, 2022
1
response
Horn not working

press the button on the steering wheel and there's no noise

2007 Vauxhall Tigra Exclusiv
Posted: Dec 5, 2021
1
response
Overheating

Over heating and Walter coming out from the pipe that comes of the walter bottle and gose to back of engen I don't no how to take that pipe of any help please on what I need to take it to get to pipe...

2011 Citroen DS4 1.6
Posted: Apr 9, 2021
10
responses
Roof wont open

To begin with, 3 months ago the roof went up and down no problems. Then i did not bother opening it through the winter months. Now i try and all i get is a consistant beeping, roof does not move at al...

2006 Vauxhall Tigra BH11
Posted: Mar 1, 2021
13
responses
Windows will not drop to slit open position when opening doors.

When trying to open both doors the windows do not drop to the usual "slit" opening position. So the windows are in the fully up position making difficult to open doors and when you close the doors fro...

2005 Vauxhall Tigra Sport 1.8 16v
Posted: Jan 13, 2021
1
response
Water lose

my car has started losing water . though no one can find a leak. sometimes im getting a lot of steam coming through my left side headlight, and the engine area stinks off burning antifreeze,, can an...

2002 Vauxhall Vectra 20dti
Posted: Dec 19, 2012
1
response
Citroen Picasso water system

Hi I own a Citroen Picasso 2.0 XL. I am gettting a warning sign saying "Top Up Water Level" every half an hour or so. I opened the bonnet and found that one clip has come loose on what looks like an ...

2005 Citroen Xsara Picasso 2.0 XL
Posted: Sep 2, 2011
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Engine Cooling System parts
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