Coolant pressure
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Junior Member
Joined: Oct 2020
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Coolant pressure
I have had a 2004 Xtype for two years: last year the radiator sprang a fast leak and this year the ‘return to reservoir’ hose started to leak.
I wonder if this is a sign of combustion pressures getting into the cooling circulation by means of a gasket leak?
How could I check the pressure, if this is a possibility?
I wonder if this is a sign of combustion pressures getting into the cooling circulation by means of a gasket leak?
How could I check the pressure, if this is a possibility?
Joined: Feb 2010
Posts: 28,791
Likes: 11,269
From: Adelaide Stralia
Welcome to the Forums.
The members in the X Type (X400) Tech Section will have answers.
Might pay to mention what engine, transmission it has.
Plastic and cooling systems, not a good match, and 10 years seems to be average before issues start.
Good luck.
The members in the X Type (X400) Tech Section will have answers.
Might pay to mention what engine, transmission it has.
Plastic and cooling systems, not a good match, and 10 years seems to be average before issues start.
Good luck.
Joined: Dec 2011
Posts: 120,439
Likes: 17,005
From: Durham, UK
Welcome to the forums Andrew,
Good to have you with us.
I'd eliminate the simpler (and cheaper!) possibilities of sticking thermostat or failing water pump before going to the level of gasket failure but a cylinder compression test and a cooling system pressure test together should give a you better idea. Once a Jaguar starts needing cooling system components replacing, it's usually the start of a full hose set etc.
I can see you've already found your way to the X-Type forum so there's no need for a link to it from me. The 'HOW TO' thread at the top is a good place to start for information on regular issues. You can also use the UK & Eire Region forum by following this link https://www.jaguarforums.com/forum/uk-eire-68/ to find other members in your region.
I've added vehicle details to your Signature to help others to give relevant advice. If you want to change these, go to the User CP button on the left of the top menu bar, then Settings & Options under Your Control Panel. Select Edit Signature and enter the details.
Enjoy the forums.
Graham
Good to have you with us.
I'd eliminate the simpler (and cheaper!) possibilities of sticking thermostat or failing water pump before going to the level of gasket failure but a cylinder compression test and a cooling system pressure test together should give a you better idea. Once a Jaguar starts needing cooling system components replacing, it's usually the start of a full hose set etc.
I can see you've already found your way to the X-Type forum so there's no need for a link to it from me. The 'HOW TO' thread at the top is a good place to start for information on regular issues. You can also use the UK & Eire Region forum by following this link https://www.jaguarforums.com/forum/uk-eire-68/ to find other members in your region.
I've added vehicle details to your Signature to help others to give relevant advice. If you want to change these, go to the User CP button on the left of the top menu bar, then Settings & Options under Your Control Panel. Select Edit Signature and enter the details.
Enjoy the forums.
Graham
Joined: Oct 2007
Posts: 120,995
Likes: 6,648
From: PHX some of the time
Welcome to Jaguar Forums Andrew,
Good to have you with us.
Enjoy the forum.
If you haven't done so already you should add your car details to your signature to help others to help you.
If you need help with getting around and using the forum follow this link for some help Forum Help
Good to have you with us.
Enjoy the forum.
If you haven't done so already you should add your car details to your signature to help others to help you.
If you need help with getting around and using the forum follow this link for some help Forum Help
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Joined: Mar 2014
Posts: 26,738
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From: Tehama County, California, USA
Hello, Andrew,
Any radiator is under pressure if only from the water being hot. 16 years isn't a bad life time for the modern Plastic radiators. One might expect to be replacing such Plastic parts before now actually, so you're just about right on schedule.
Welcome to the forums from ElinorB.
(';')
Any radiator is under pressure if only from the water being hot. 16 years isn't a bad life time for the modern Plastic radiators. One might expect to be replacing such Plastic parts before now actually, so you're just about right on schedule.
Welcome to the forums from ElinorB.
(';')
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