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 8 owner problems that mention it.

What problems can be caused by a faulty Coolant Expansion Tank?
8 problems that mention the Coolant Expansion Tank
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
6
responses
Coolant loss

this has drive vauxhall stumped, coolant loss noticed in expansion tank over a period of 3-4 months 1-inch this is supposed to be a sealed unit rarely needing topping up no leaks noticable vauxhall ha...

2007 Vauxhall Zafira 1.9cdti design diesel
Posted: Jan 11, 2011
2
responses
Temperatue light comes on when doing 60

when driving over 60 after about 15 minutes the temperature warning light comes on. took it to garage they replaced the thermostat. still got same problem. they say it might be the water pump, if no...

2005 Nissan Micra 1.2 sport
Posted: Aug 4, 2010
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Engine Cooling System parts
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