XK8 / XKR ( X100 ) 1996 - 2006

Primary chain guide, latest version

 
  #1  
Old 06-03-2019, 01:05 PM
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Default Primary chain guide, latest version

Greetings From Finland.
I’m repairing my xkr ( x100 ), year model 1999. I’m doing that because of leaking head gasket. Now I’m wondering what kind of those primary chain guides should be... Should those be fully metallic or metallic body with plastic surface? What is the latest version?

My another guestion is, because those head gasket was leaking, is there any better guality gaskets? I would like to have gaskets with aluminum “frame”. Is the 4,2litres engine’s gasket aluminum body and is it suitable for 4,0 liter engine?
I asked this from finish part dealer, but he couldn’t say.

Thank you all for any information for those!

And I’m sorry, because I know that about this subject has been discussed a lot, but because my English language, I not so good to use that “search tool”.

Panu
 

Last edited by Nupaha; 06-03-2019 at 02:06 PM.
  #2  
Old 06-03-2019, 01:12 PM
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I just buy the original flat and curved wide 'brown' guide blades from the dealer. The thinner ones are for the Morse silent running chains.

I have used the later Multi-Layer Steel (MLS) gaskets on the earlier engines with no problems.

bob
 
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  #3  
Old 06-03-2019, 01:37 PM
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To clarify, Bob is referring to the 4.2L head gasket.
 
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Old 06-03-2019, 04:02 PM
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Originally Posted by RJ237 View Post
To clarify, Bob is referring to the 4.2L head gasket.
Actually the later 4.0 engines with the Morse style primary chains and the updated oil pump used the MLS gaskets also.

I think the change is when the silent running primaries were installed. That engine was pretty different in many ways.

bob
 
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Old 06-14-2019, 12:39 PM
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Originally Posted by motorcarman View Post
I just buy the original flat and curved wide 'brown' guide blades from the dealer. The thinner ones are for the Morse silent running chains.

I have used the later Multi-Layer Steel (MLS) gaskets on the earlier engines with no problems.

bob
Iím thinking to oder 4,2l year model 2003-2006 head gaskets AJ88987. Am I going wrong with these gaskets?
 
  #6  
Old 06-14-2019, 02:28 PM
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The AJ88987 and AJ88988 are the superseded part numbers for the last two or three previous numbers so they should be the correct ones.

bob
 
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Old 06-15-2019, 03:15 PM
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Originally Posted by motorcarman View Post
The AJ88987 and AJ88988 are the superseded part numbers for the last two or three previous numbers so they should be the correct ones.

bob
Thanks, Bob, for the information
I hope, that I get the Jag on the road again.
 
 
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