XJ ( X351 ) 2009 - 2019

Valve Cover Gasket Replacement

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  #21  
Old 08-07-2024, 12:38 PM
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When fitting the new Teflon seals to the injector tips, DO NOT use any kind of lubricant on the seals, or in the injector bores.

By spark plug seals, I assume you mean the spark plug boss seals installed in the cam covers. They can be replaced with the cam covers removed.
 
The following 2 users liked this post by NBCat:
Don B (08-12-2024), JaguarXJL15 (08-07-2024)
  #22  
Old 08-11-2024, 04:35 PM
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Do the intake manifold gaskets have to replaced every time the superchargers is removed?? I replaced the gaskets about a month ago I will be removing supercharger again to do the valve cover gaskets
 
  #23  
Old 08-12-2024, 10:24 AM
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I have been told the large top gasket CAN be reused but I replaced it because I was not aware.
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  #24  
Old 08-12-2024, 11:04 AM
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Originally Posted by clubairth1
I have been told the large top gasket CAN be reused but I replaced it because I was not aware.
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I reused that one and I Will be reusing it again as long as it looks good but I don't think its a good idea to reuse the metal intake manifold gaskets because they are crush gaskets


lotusespritse
"Because they are the metal, crush type gaskets, they should be replaced every time. Could they still be reused, probably. But with the massive effort to remove the supercharger, I wouldn't risk it because they are inexpensive and easy to get."
 

Last edited by JaguarXJL15; 08-12-2024 at 11:07 AM.
  #25  
Old 08-12-2024, 08:53 PM
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Originally Posted by xalty
no

t30 bolt that secures the hpfp feed lines to the head and you have more than enough room, actually you don't even need to do that.
Have you done this yourself? or are you just saying? because I just tried and the fuel line will not budge not even a little
I disconnected unbolted both left and right fuel rails from it does not matter It will not move

I am supposed to bend it out of the way like in this video? I am worried it will break

 

Last edited by JaguarXJL15; 08-12-2024 at 10:56 PM.
  #26  
Old 08-12-2024, 11:03 PM
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Originally Posted by NBCat
To remove the fuel injector rail, wrap two shop towels around the rail and pull straight back. Don't use anything to pry them up as the cam cover(s) can crack. Sometimes the injectors come out of their bores while still attached to the fuel rail.
Do you know the torque specs for the cam covers?
 
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