XJS ( X27 ) 1975 - 1996 3.6 4.0 5.3 6.0

Torquatrol fan clutch test

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  #21  
Old 08-15-2018, 11:38 AM
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I will remove it, I just didn't want to take it of the road before parts were arrived if I could avoid it.
I have changed the fan 2 years ago, so I basically know how.
I also remember it was tight to get out/in, but I did not loosen the fan shroud at that time.
 
  #22  
Old 08-16-2018, 12:57 PM
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The clutch was a 20 min (max) job to remove. Leaving the fan down there made it easy, and that's OK to do, as I know it's new and good.

I did a flick test of the clutch with the axle clamped in a vice. It took 6 flicks to do a full revolution cold, but only 3 flicks warm (maybe 60-70°C, clearly below 100°C).



Flicktesting


Clutch is out. I found one of my 13mm sockets in the fan shrouding, great )



 
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  #23  
Old 08-16-2018, 02:11 PM
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13 mm? About time to get yourself some proper tools for the car, mate! Imperial sockets and spanners wouldn't go a miss
 
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Old 08-16-2018, 02:15 PM
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I have the correct tools now. I suppose I lost it when I changed the cracked white fan right after buying the car...
 
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Old 08-16-2018, 05:17 PM
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Originally Posted by Daim
13 mm? About time to get yourself some proper tools for the car, mate! Imperial sockets and spanners wouldn't go a miss
I was going to say the bolts are 1/2" A gear wrench is a great help too.
 
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Old 08-16-2018, 11:16 PM
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[QUOTE=leo_denmark;1947745]The clutch was a 20 min (max) job to remove. Leaving the fan down there made it easy, and that's OK to do, as I know it's new and good.

Hmmm... you left the fan there but took the clutch out? Interesting idea!
 
  #27  
Old 08-16-2018, 11:42 PM
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[QUOTE=v1rok;1947964]
Originally Posted by leo_denmark
The clutch was a 20 min (max) job to remove. Leaving the fan down there made it easy, and that's OK to do, as I know it's new and good.

Hmmm... you left the fan there but took the clutch out? Interesting idea!
It is possible to do the entire fan+clutch assembly in one go all bolted together without tinkering with belts or any other items. I do NOT recommend it though as it requires a lot of dexterity and the sort of intuitive knowing-if-****-will-fit that some people don't have. Cardboard against the rad also helps but it does fit...atleast on 89+ yr US spec engines.
 
  #28  
Old 08-21-2018, 01:05 PM
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New clutch NBC2215AA mounted. It has more resistance than the old hub when cold.
In direct comparison with the clutch hub clamped on my work bench: 6 flicks to make a complete turn of the new hub, while the old can do it in 4 flicks.
No test so far, my exhaust lies on the floor...

BR Leo
 
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