XJ6 & XJ12 Series I, II & III 1968-1992

Gauze filter on chain tensioner.

 
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Old 06-03-2019, 02:19 AM
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Default Gauze filter on chain tensioner.

Hi all, stripped down series 1 engine to have it machined but trying to find this filter, can anybody shed some light on this is it behind the dowel that locates the timing tensioner on the block.? Getting the engine fitted with stepped liners, piston etc, so wanting to replace it for when they put it in a tank for cleaning. Doing a full rebuild so want it all done right. Cheers Howie.
 
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Old 06-03-2019, 04:07 AM
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Damn, thats stretching the memory.

NO, it not behind the dowel, it is a conical filter inside the oil passage that feeds the tensioner, and installed pointy end first.

May not even be there, as a few I have rebuilt have not had them installed, so maybe someone has been there before.

#20 in this parts book drawing.

 

Last edited by Grant Francis; 06-03-2019 at 04:26 AM.
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Old 06-03-2019, 04:13 AM
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Grant, you are absolutely correct ! I do remember taking mine out and cleaning it before reassembly of the timing gear. I have to say I'm not sure if it does have any real benefit, although the hole in the chain tensioner that takes pressure to the piston is very small, so might easily clog up without it, I suppose.
 
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Old 06-03-2019, 04:25 AM
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Agreed Fraser, and we all know how WELL these engines have been cared for before we got them????

With the new breed of owners, and the new breed of oils, maybe not so big an issue, but the work if that tensioner hole does clog up, is unthinkable.
 
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Old 06-03-2019, 08:37 PM
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Found it! was behind the dowel. Googled the tensioner and by photos the dowel should be in it not the block.
Cheers Howie.
 
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