what is this thing? 04 XK8
#1
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Hi everyone,
I want to thank those who helped me find the ghost in my door. New switches have been ordered thanks to Dr.DSB. I now know what I will be doing Saturday.
I have another issue. I have a coolant leak at that front of my motor. The plastic water manifold has issues. I have attached pics. Can someone tell me if this is the thermostat housing. I found the metal version on Ebay, but the pics don't look the same.
Any input is appreciated.
I want to thank those who helped me find the ghost in my door. New switches have been ordered thanks to Dr.DSB. I now know what I will be doing Saturday.
I have another issue. I have a coolant leak at that front of my motor. The plastic water manifold has issues. I have attached pics. Can someone tell me if this is the thermostat housing. I found the metal version on Ebay, but the pics don't look the same.
Any input is appreciated.
#2
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#4
#7
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It's all in the detail!
You have a 4.2 litre normally aspirated engine? The JPG I attached to my earler post was for the 4.0 litre normally aspirated engine. This is the one that regularly fails and is available as a metal alternative.
![what is this thing? 04 XK8-10-original-replacment-thermostat-housings.jpg](https://www.jaguarforums.com/forum/attachments/xk8-xkr-x100-17/16400d1480966289t-what-thing-04-xk8-10-original-replacment-thermostat-housings.jpg)
The original plastic one is on the left and the aftermarket aluminium replacement on the right.
Yours is completely different:
![what is this thing? 04 XK8-xk8-thermostat-housing-4.2-ltr-normally-aspirated.jpg](https://www.jaguarforums.com/forum/attachments/xk8-xkr-x100-17/16401d1480966289t-what-thing-04-xk8-xk8-thermostat-housing-4.2-ltr-normally-aspirated.jpg)
I haven't seen these as yet available in metal. Is that a split where the orange coolant staining can be seen in your photos?
Graham
You have a 4.2 litre normally aspirated engine? The JPG I attached to my earler post was for the 4.0 litre normally aspirated engine. This is the one that regularly fails and is available as a metal alternative.
![what is this thing? 04 XK8-10-original-replacment-thermostat-housings.jpg](https://www.jaguarforums.com/forum/attachments/xk8-xkr-x100-17/16400d1480966289t-what-thing-04-xk8-10-original-replacment-thermostat-housings.jpg)
The original plastic one is on the left and the aftermarket aluminium replacement on the right.
Yours is completely different:
![what is this thing? 04 XK8-xk8-thermostat-housing-4.2-ltr-normally-aspirated.jpg](https://www.jaguarforums.com/forum/attachments/xk8-xkr-x100-17/16401d1480966289t-what-thing-04-xk8-xk8-thermostat-housing-4.2-ltr-normally-aspirated.jpg)
I haven't seen these as yet available in metal. Is that a split where the orange coolant staining can be seen in your photos?
Graham
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#9
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The plastic cooling system components aren't cheap. Best option is to bite the bullet and buy a replacement but you may want to consider attempting to repair it.
The vertical 'pipe' is the vent to the expansion tank. If it's only cracked where it connects to the larger horizontal pipe and not completely broken off, it's likely to be repairable without having to remove it from the car using a bead of epoxy waterproof putty.
If you choose this approach, the outlet pipe will have to be prepared by thorough cleaning and drying which will involve draining off a small volume of coolant.
Graham
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99xk8guy
XK8 / XKR ( X100 )
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06-05-2023 06:28 AM
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