XJ ( X351 ) 2009 - 2019

Aluminum Replacement for OEM Plastic Coolant Pipes

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Old Jan 13, 2024 | 12:11 PM
  #101  
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Talking late model ownership blues

Originally Posted by cbarr
Just bought the RKX kit for my XJ 5.0 SC Will see what it is like when it arrives!
https://www.rkxtech.com/products/rkx...44378830045483
I just pulled the trigger on this kit myself. added the water pump pipe for a few bucks more, kit comes with a brass connector that replaces the plastic usually breaks off. found my leak just starting at the under SC Y pipe. conveniently out of the used car warranty time frame to let someone else do it for free., here's to XJ #2 . was planning this update but it planned it for me.
 
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Old Jan 13, 2024 | 02:18 PM
  #102  
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Originally Posted by blacktoothgrin
I just pulled the trigger on this kit myself. added the water pump pipe for a few bucks more, kit comes with a brass connector that replaces the plastic usually breaks off. found my leak just starting at the under SC Y pipe. conveniently out of the used car warranty time frame to let someone else do it for free., here's to XJ #2 . was planning this update but it planned it for me.
Did you have any fitting problems with the RKX kit? I've bought the bits including the brass part and water pump connector too and hoping it all slots into place nicely.
 
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Old Jan 14, 2024 | 11:35 AM
  #103  
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havent got it in the mail yet - just placed the order for it as well as the s/c gaskets.. might do a water pump job if it looks sketchy as I dont have those gaskets to do the coolant tube upgrade and it seems silly NOT to at this time with everything off.
 
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Old Jan 17, 2024 | 03:09 PM
  #104  
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I thought I posted this already, but it didn't load:-

Which of these 5 options do you think is the best for this preventative cooling system upgrade?

Option # 1 - Euro Amp minimal plus add on other parts / water pump as desired - $78 ?
https://euro-amp.com/collections/jag...charged-engine

Option # 2 - Euro Amp the whole tamale but rear crossover pipe still plastic - $278 ?
https://euro-amp.com/collections/jag...charged-engine

Option # 3 - Euro Amp the whole tamale and rear crossover pipe metal - $409?
https://euro-amp.com/collections/jag...charged-engine

Option # 4 - RKX Tech, minimal with add ons separately - $140?
https://www.ebay.com/itm/234864240724?epid=3060977714

Option # 5 - Euro Amp closer to option # 3 (metal crossover) but without water pump - $260?
https://www.ebay.com/itm/115932399273

What do you all think is the best way to go, or any thoughts? Thanks.
 
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Old Jan 17, 2024 | 03:15 PM
  #105  
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I just ordered option 4 for my V8. Top tip, if you go to their own website and add the kit to your cart, start the checkout, but don't finish checking out, after a week or so, they will send you a coupon code for $20 off.

Do people really trust an aftermarket water pump from a company like EuroAmp? I learned the hard way to never buy rebuilt water pumps or rebuilt anything from a parts store, but I bought an aftermarket water pump that was brand new and from a respected brand for a Toyota, and the bearings completely failed in less than 20K miles. Back to OEM.
 

Last edited by lotusespritse; Jan 18, 2024 at 01:28 AM.
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Old Jan 17, 2024 | 03:29 PM
  #106  
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That all makes good sense - thanks. And yours is a very good point about the water pump!
 

Last edited by QP7; Jan 17, 2024 at 03:32 PM.
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Old Jan 18, 2024 | 01:01 AM
  #107  
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I have #3 in a box waiting for install soon. I figure while I'm in there, might as well do the lot.
 
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Old Jan 19, 2024 | 05:48 PM
  #108  
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Hi all,
I have a 2016 XJL with 85k miles, it has developed a slow coolant leak now and I ordered option 2 from Quietness Preferred's list of options in the previous thread. I am from Canada but am in Mobile AL with the car right now, spoke to a local independent shop that is familiar with our cars and they were very reticent to install the EuroAmp parts citing they would not warranty the parts so if it failed I'd be in for another 1300+ labor to replace again. they quoted me 2300USD to replace all the parts in the kit I bought with genuine Jaguar (~1300 labor and 1000 parts) I do not have the facilities to perform this work here in Mobile, at home I have the tools and garage to do this myself, however, I'm unsure how to proceed at this point. Anyone in the Mobile area that could help a fellow Jaguar owner out? Is it safe enough to tell them to install the Euro Amp kit and not worry about the warranty? Or should I just pay to have them do the work with the Jag parts?
Any input is appreciated, I travel down from Canada for months at a time and my car stays here in Mobile.
Thanks for your comments.
Paul
 
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Old Jan 19, 2024 | 06:01 PM
  #109  
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I’d find a different shop. The tubes are straightforward. I threw away the brass bits that came with the EuroAmp kit.

Supplier quality is no joke and there were enough reports of issues in kit development and things not fitting to cause awareness
 
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Old Jan 19, 2024 | 06:09 PM
  #110  
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@dmchao are you saying there are quality issues with the EaroAmp parts that I should be concerned?
 
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Old Jan 19, 2024 | 06:20 PM
  #111  
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Go with the parts they will warranty, trust me.

If you don’t, you are not only losing the warranty if the part fails, but you are also losing the warranty if they screw something up in their labor. And if they know they don’t have to cover any failures, they might not be as careful with the install as they would be if they have consequences.

Having no consequences is never good, as we can see from the news these days.
 
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Old Jan 19, 2024 | 07:01 PM
  #112  
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Originally Posted by Paul2005
@dmchao are you saying there are quality issues with the EaroAmp parts that I should be concerned?
parts without more than 10 years in the field cause me concern, so you could call me high anxiety.

the brass bits and coolant cap don’t look like a major upgrade over stock to me. Cast aluminum does not have a high risk of failure by nature. There were issues from their o ring supplier in the first batch they admitted were present. I have ISO and world class standards of quality, and I spent some time inspecting the seal quality and machined faces of the parts I received before allowing them to be installed into my vehicle.

whether they are a consistently good supplier will be proven out by how long their parts are in the field and they stay in business. If you trust your shop as the experts, their warranty advice should be followed. If you feel like your discernment is better, I would pick a different shop who agrees and validates the parts they view as high quality
 
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Old Jan 19, 2024 | 07:17 PM
  #113  
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thank you for the feedback, i will go with their recommendation, although still hoping there might be a jag enthusiast here in Mobile that might be able to help...,..
 
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Old Jan 19, 2024 | 07:19 PM
  #114  
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I do not know this shop, it was recommended by a friend of mine who uses them for the range rover
 
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Old Jan 19, 2024 | 07:20 PM
  #115  
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they did similar replacement for him on his 3.0 SC
 
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Old Jan 19, 2024 | 11:33 PM
  #116  
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Originally Posted by clubairth1
I don't know as something does not add up?

My 2014 XJR came with the fat seamed plastic pipes from the factory. My water pump started leaking at 28K and under factory warranty Jaguar replaced the WP and both of the front cooling pipes. BUT they installed the later smooth seemed pipes?




This picture is from my lower pulley install from VAP.

Could Jaguar have been installing the improved parts under warranty BUT still using the older fat seams on the production line?
Maybe by the time I had my car done they had moved on to the improved plastic versions?
.
.
.
Indeed, you are right - something does not add up. Mine is a 2013, 35k, XJL 3.0 V6 SS (from Asia) and yet I have the good pipes not the "crappy" seamed ones. There I was telling my tech we really need to do the pipes and low and behold he sends me pictures and on mine, it is NOT the seamed one... We also replaced the 8 injector seals as well as the valve cover gaskets. One thing that surprised (worried) me is that the tech said it does not matter which injector goes back in which housing...? I thought they had to go back in exactly where they came from?? He says no. He must be quite knowledgeable though, as he had the correct tool to remove the injectors, which many (all other) local techs do not.
 
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Old Jan 20, 2024 | 12:59 AM
  #117  
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Originally Posted by Quietness Preferred
Indeed, you are right - something does not add up. Mine is a 2013, 35k, XJL 3.0 V6 SS (from Asia) and yet I have the good pipes not the "crappy" seamed ones. There I was telling my tech we really need to do the pipes and low and behold he sends me pictures and on mine, it is NOT the seamed one... We also replaced the 8 injector seals as well as the valve cover gaskets. One thing that surprised (worried) me is that the tech said it does not matter which injector goes back in which housing...? I thought they had to go back in exactly where they came from?? He says no. He must be quite knowledgeable though, as he had the correct tool to remove the injectors, which many (all other) local techs do not.
No way it came from the factory with those updated smooth coolant pipes, they did not come out until 2018/2019, so obviously the pipes were replaced/upgraded by a previous owner.
 
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Old Jan 20, 2024 | 02:40 AM
  #118  
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Originally Posted by Quietness Preferred
One thing that surprised (worried) me is that the tech said it does not matter which injector goes back in which housing...? I thought they had to go back in exactly where they came from?? He says no. He must be quite knowledgeable though, as he had the correct tool to remove the injectors, which many (all other) local techs do not.
Hello! In gasoline engine it normally dosent matter. On diesel it does. Gas engine ECU will invidially adjust each injector based on CO2 sensor readout. On diesel the ECU need pre-programming for each injector, because cycles per one combustion are very fast. ( one combustion can have 3-7 injection cycles, depending the system)
 
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Old Jan 20, 2024 | 05:59 AM
  #119  
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Originally Posted by OzXFR
No way it came from the factory with those updated smooth coolant pipes, they did not come out until 2018/2019, so obviously the pipes were replaced/upgraded by a previous owner.
Very helpful - and, given you are in Australia I defer to your knowledge. The car was from Singapore. I will try again to get the service records from the Jaguar dealer, but they have been (way, way) less than helpful. I finally got through to someone there about 3 months ago, and let them know I was writing the CEO of Jaguar about them and only then they offered to find someone in the service dept. to help, but even then no one ever came back to me. Insanely bad service for an Authorized dealer on a legitimate follow up on what was then a 34,000 mile one owner car. What you say also makes sense as when my tech looked at the coolant pipes he was adamant (almost angrily so) that I should not replace any, and said they were all perfect. I may sell the car at some point and may still go with the RKX metal replacements, but when I get the car back from the valve cover gasket, alternator (Denso) and injector seal replacements I will take photos of the easily visible ones and post. One interesting comment from my tech is he says "you should sell, car too fast". Funny chap. I'm too old to drive fast anyway....

Edit: -

Assuming the pipes were replaced, a thought... what damage may have already occurred to the car? Did it over heat? What would be the tell tale signs of a catastrophic damage that has been poorly (or perhaps temporarily) repaired and then sold on??? My tech says the engine is spotless? For example zero carbon build up in the intakes... (he attributes that to good premium fuel, which is available in Singapore...?)
https://getgo.sg/blog/everything-you...-in-singapore/

So what might I look for as a tell, of some serious damage having occurred? To be honest, I don't think there was, as the car was sold to me when it was ten years old, which is exactly when cars in Singapore get sold as the due every ten years, govt ownership car tax is very, very, very expensive.... But still, given the dealer would give me ZERO information, could it be be an overheated / dead engine limping / walking? Or...? Any thoughts on this are most welcome.
 

Last edited by QP7; Jan 20, 2024 at 06:19 AM.
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Old Jan 20, 2024 | 06:05 AM
  #120  
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Originally Posted by Vasara
Hello! In gasoline engine it normally dosent matter. On diesel it does. Gas engine ECU will invidially adjust each injector based on CO2 sensor readout. On diesel the ECU need pre-programming for each injector, because cycles per one combustion are very fast. ( one combustion can have 3-7 injection cycles, depending the system)
Thank you - very reassuring and helpful. Appreciated. This tech seems the most trained of anyone in the remote location that car is, but he is only there some of the time as he flies in from USA. So what you wrote is very reassuring as it means I may well have found someone who knows what they are doing, which is very rare there. Talking of that being rare one tech jumped my car at the rear, which I understand is a no no. How much damage could that / he have done? Isn't there a battery management system or something (my memory fails) that might be fried by doing that? If I am remembering correctly, how do I check that?
 

Last edited by QP7; Jan 20, 2024 at 06:09 AM.
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