XF and XFR ( X250 ) 2007 - 2015

Coolant leak need help!

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Old 07-02-2023, 06:16 PM
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Default Coolant leak need help!

I just picked up my new-to-me 2016 Jaguar XF S 3.0 V6 supercharged about a month ago. It was great for awhile but now I’m seeing an apparent coolant leak, I’ve located the area but need help identifying what parts I need to replace.

 
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Old 07-03-2023, 04:51 AM
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1) Do not drive the car until repaired. These engines are prone to catastrophically overheat.
2) Are you a VERY good mechanic? If not, I recommend finding a good JLR independent. They'll have done this every other week.
3) Can't tell by the picture but the usual suspects are the overflow tube, the thermostat/pipe and the water pump which can be done without removing the super charger. The oil cooler pipe, oil cooler gasket and the Y pipe behind the water pump require removing the super charger.
4) The heater manifold pipe at the back of the motor is also a failure point.
5) There are aftermarket upgrade parts available from URO but they don't give you all the gaskets you need. Ask me how I know.
6) It is very important to properly bleed air from the system after the work is done.
 
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Old 07-03-2023, 07:02 AM
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Great post by Robtrt8!
So follow what he said!
Post back how it went when you get it fixed?
.
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Old 07-03-2023, 08:30 AM
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Thank you for the reply, I have a scheduled appointment at my JLR dealer later this week, I’ll for sure update on the problem/fixes needed.

I do know from the vehicle mechanical assessment prior to purchase the water pump was recently replaced, as long as there’s coolant engine also doesn’t overheat & thermostat works properly, so I’m thinking it’s some of the hoses but will update on that!

Thank you for the responses
 
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Old 07-11-2023, 11:19 AM
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Got the leak diagnosed, turns out the thermostat housing is leaking. I ordered the part myself to save on the cost & should be all fixed up later this week!

thank you for all the reply’s & help
 
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Old 07-11-2023, 11:39 AM
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I would recommend hose clamp pliers, they will come in very handy with the factory spring type clamps. Just did this job myself.
You have a X260 but on the X250 you remove the driver side airbox, snorkel and intake tube. I see a lot of people remove the snorkel incorrectly, don't touch the zip ties, pull the upper airbox and filter off and it unclips on the airbox side.

From there you can remove and replace.
 
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