XJ XJ8 / XJR ( X308 ) 1997 - 2003

Coolant leak- Valley hose?

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Old Oct 15, 2022 | 07:00 AM
  #21  
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So I found this post, but the link didn’t work

https://www.jaguarforums.com/forum/x...estion-148628/

I’ve only found this for sale so far… but I’m not paying $150 for it

https://jlrequipment.service-solutio...x?SKU=303-1496

ive got some snap ring pliers… these hoses don’t look very brittle comparatively, but what’s the likelihood that using snap rings is going to snap the fixture?

what is the name of this tool? That might help

im thinking that the heater hose remover isn’t actually what I need for this…

I don’t want to break these too lol

found out that my plug tube seals were bad, yay!
 

Last edited by Joe Enge; Oct 15, 2022 at 07:03 AM. Reason: I’m stoopid
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Old Oct 15, 2022 | 08:09 AM
  #22  
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Soooo… is it possible to cut these off and use a small rubber hose?

my snap ring pliers will not fit into the connection where I think they should go, or even where I think that they shouldn’t go.

using water pump pliers, I squeeze opposite where the flared parts are, correct? I’ve tried both places to no avail. I don’t remember how I got the other one off, it just came off.

 
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Old Oct 15, 2022 | 12:04 PM
  #23  
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https://www.jaguarforums.com/forum/a...connectors.pdf
 
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Old Oct 16, 2022 | 07:18 AM
  #24  
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Awesome! That’s exactly what I needed.

Looks like someone here in the states needs to manufacture these, haven’t had any luck finding one.

but I know how it works now.

gotta finish the cam cover removal, then back to the hose project!

thanks soooooo much
 
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Old Oct 16, 2022 | 08:01 AM
  #25  
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I found something similar on Amazon, called a ford heater hose quick disconnect tool. It has 5/8” and 3/4” ends.

im measuring between .733” to .746” on my connectors, so I think this is a viable option. If I were in the UK, or wanted to wait a month, I can find the 303-623 there.

even eBay us doesn’t have it.

I get 10% of all sales if someone makes it for the us market!

thanks all
 
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Old Oct 16, 2022 | 10:14 AM
  #26  
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I built one out of snap ring plier blades, corner brackets, and hose clamps. It’s adjustable… but haven’t found the exact distance to pop these off. I’m probably off by .5mm.

bah, I don’t think ford could make this much more difficult if they tried
 
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Old Oct 16, 2022 | 11:16 AM
  #27  
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Why doesn’t this contraption work? It has just enough flexibility that I have to squeeze it to fit into the connector. When I release it, it opens the connector. But it will not come off.

what am I missing?



 
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Old Oct 16, 2022 | 11:30 AM
  #28  
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So with pb silicone spray and gentle prying between the connector and nipple, all while gently pulling the connector out, it finally let go!
 
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Old Oct 17, 2022 | 10:29 AM
  #29  
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I must say....that is quite an arrangement! I am glad to hear you were
successful with your endeavor.
 
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Old Oct 17, 2022 | 02:39 PM
  #30  
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Thanks randy! It only took a couple/3 hours to make and 8 models, but it’s actually working great!

I had to push it further down, and they came off relatively easy.

unfortunately I’m stuck again. The first 2 photos are from the write up that I am using. I don’t understand if I’m looking for 1 or 2 hoses. I do not see any hoses with the clamp that’s mentioned, and none really match up to what I have. Am I looking for a rubber hose/hoses? I think the plastic one is the plb hose.

I am kind of pointing with a pick up tool that has blue tape on the end. I don’t want to risk breaking hoses that I don’t need to remove in the first place.

hopefully they are clear enough… and I’m pointing to the correct one/ones.

thanks so much peeps!






 

Last edited by Joe Enge; Oct 17, 2022 at 02:42 PM.
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Old Oct 18, 2022 | 09:48 AM
  #31  
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This might help a little.

Forum member xjrguy provided the part number and these comments:
Part# MNC6733AC Hose set, to Expansion Tank and Engine - "The one labeled "hose set" is an octopus for sure."

MNC6733AE - HEATER HOSE ASSEMBLY Fits: 1998-2003 XJ8 XJR.

Forum member SirJag provided the following jpeg and comments:



"It's the Mother of All Jag Hoses. Part #MNC6733AE ----
I wish I could find this mindless rubber octopus somewhere for less than the cost of... sigh... whatever.
I think I'll wait for this one to burst. Nothing wrong with it... I was simply changing out hoses for good measure. This one will have to wait. Other things need to get done first."

Note: part4carsonline.com website appears to be discontinued.
Here is their contact information:
Phone 718 - 395 - 9398
AKNY Enterprises Corp.
P.O.Box 090066
Brooklyn NY 11209
Attn: Parts4CarsOnline.com

Here is the diagram and parts list from the JTIS21 Jaguar shop manual:



Name: XJX308HeaterSystemComponents2.jpg
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Here is the heater diagrams from the JEPC - Jaguar Electronic Parts Catalog:




Maybe there is some way to patch your existing hose instead of buying a new expensive one or maybe you should just spring for a new hose.

Gaudin Jaguar Parts.com has it (new one) listed at a discounted price of $113.75 plus shipping.

Direct JPLV Porsche Parts.com

motorcarsltd.com has a used one for $70. "HEATER HOSE 5 WAY USED XJ8 - Position: Expansion Tank to Heater Valve- SKU [USED] MNC6733AE"

Used Heater Hose - Motorcars LTD

Also on Ebay - Item number: 220900167530 $125.95 free shipping - says condition is new - mnc6733ae.
Ebays photos:


Name: Ebaymnc6733aehose2.jpg
Views: 2629
Size: 16.2 KB

jagbits.com wants $154 for the part.
 
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Old Oct 18, 2022 | 11:32 AM
  #32  
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Awesome. I like pictures and words!
 
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Old Nov 4, 2022 | 08:34 AM
  #33  
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It took 3 weeks, way too much money and pain, but this cat lives again! Think it’s on life 5 now.

wanted to thank everyone for their ideas and knowledge.

I love this forum. Maybe some day I’ll be knowledgeable enough to help someone else.

thanks
 
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