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Coolant leak - pretty sure is the water pump connector

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Old 12-23-2021, 08:07 PM
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Default Coolant leak - pretty sure is the water pump connector

14 ftype s 75k miles

Driving home today I got a low coolant message. When I got home, coolant steam was coming from the drivers side front.

gonna be bringing her in tomorrow, but wanted to see what else I should get replaced/maintained while I have this opportunity. Thanks!
 
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Old 12-23-2021, 08:34 PM
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From the driver's side front (I assume LHD so LHS) it could very well be one or both of the small pipes/tubes of the expansion tank pipe which runs from the expansion tank across the front/top of the engine to the LHS (but only a little left of centre) of the front crossover coolant pipe.
I also have a 14 S (V6 not V8) and so far this has been the only coolant tube failure on my car, those little tubes go very brittle with age and eventually crack/split, mine were like uncooked spaghetti before I replaced this part.
Open the hood, top up the system with distilled water, then start the engine and see if you can spot a/the coolant leak. If it is one of those little tubes then a gentle wiggle will quickly reveal the leak.
But plenty of other places it could be leaking from, most commonly that front crossover pipe which is prone to split along the seam.
If it is one of the main coolant pipes (there are at least three) then the SC has to come off to replace it so it would be best to replace all of them at the same time while the SC is off, as removing and refitting the SC is a labour intensive job and is the major cost in renewing those pipes and you don't want to have to pay to get it done a second or third time.
 
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Old 12-23-2021, 11:49 PM
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Thank you for the feedback. It was a little tough to tell exactly where it was coming from, but I’ll set up the endoscope tomorrow to get a better peek.
 
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Old 12-24-2021, 08:22 AM
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Let us know what it turns out to be. I ran into another guy with an F Type locally. He is under 30k and said he replaced his water pump already and that they are prone to go early. Has anyone else seen it that early on these cars?
 
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Old 12-24-2021, 08:40 AM
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Originally Posted by Whatsnext
Let us know what it turns out to be. I ran into another guy with an F Type locally. He is under 30k and said he replaced his water pump already and that they are prone to go early. Has anyone else seen it that early on these cars?
I had one go at 12,000 miles on a 2010 XKR - the seal just started weeping so I had it changed for safety.
 
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Old 12-24-2021, 09:15 AM
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Think mine was closer to 65k miles. I had the dealer replace the suspect cooling pipes while the SC was off, and they reported the water pump was just starting to leak, so they replaced that too.
 
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Old 12-24-2021, 08:50 PM
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I replaced mine at around 50k.
 
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Old 12-25-2021, 03:17 AM
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I just had a pipe replaced on my V6 S. Had low coolant warning, and steam coming from the front of the engine.
Biggish job, had to remover the supercharger to get to the culprit pipe - quite common apparently.
 
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Old 12-25-2021, 06:42 PM
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Coolant pipes were a bad design and were re engineered with more durable plastic but not sure when. Had a 13 XF that I had to replace them on. Not sure if the 14 motors had the new design or if it was still the old style. Mine cracked at the crossover pipe at the seam and also at both points where they entered the block under the supercharger. Required removal of supercharger to replace the pipe. Jag will hit you between 2000 and 3000K if they do it even though they acknowledged that it was a bad design and designed made new parts, such great customer service.
 

Last edited by Jag Bass; 12-26-2021 at 11:40 AM.
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Old 12-25-2021, 07:10 PM
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Originally Posted by Jag Bass
Coolant pipes were a bad design and were re engineered with more durable plastic but not sure when. Had a 13 XF that I had to replace them on. Not sure if the 14 motors had the new design or if it was still the old style. Mine cracked at the crossover pipe at the seam and also at both points where they entered the block under the supercharger. Required removal of supercharger to replace the pipe. Jag will hit you between 2000 and 3000K if they do it.
At least on the F-Type and I would guess all/most others in the JLR range the plastic coolant pipes on the AJ133 V8 and AJ126 V6 were updated and improved for the 2016 model year.
 
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