XJS ( X27 ) 1975 - 1996 3.6 4.0 5.3 6.0

TH400 gutting

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Old Dec 19, 2017 | 03:44 PM
  #21  
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Unfortunately not. I have no experience in welding or brazing or what not.
 

Last edited by Daim; Dec 19, 2017 at 11:12 PM.
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Old Dec 19, 2017 | 04:53 PM
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Originally Posted by warrjon
If you drilled them out and now the holes are too big you could use Timeserts these are like helicoils but better.
.

what he said!!!
best idea for that aluminum case TIME SERTS.

thanks warrjon
 
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Old Dec 19, 2017 | 05:10 PM
  #23  
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How to install Time Serts

 
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Old Dec 19, 2017 | 05:55 PM
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Originally Posted by Daim
I'll probably overhaul the old tranny (function unknown) and use it instead...
Makes sense if it has a good case.
 
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Old Dec 20, 2017 | 12:42 AM
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Hi Daim

Just had an idea!

If your broken bolts are not in the corners and maybe even if they are, have you considered drilling and tapping a brand new hole or holes

On either side of the ones that got broken?

Or even going with what you've got to see if it leaks or not
 
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Old Dec 20, 2017 | 12:58 AM
  #26  
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OB, I have considered a lot BUT the original fetishist comes through in wanting it to be all correct... Dreadful... But that is me.
 
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Old Dec 20, 2017 | 01:12 AM
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Hi Daim

There is no known cure for that but unless you are going the Concourse route, it may not be worth the Candle at the end of the day

I'm a pretty obsessive person myself but having said that I do know when to stop but of course we are all different and so that's up to you
 
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Old Dec 20, 2017 | 02:32 AM
  #28  
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Heck, I'll try it. What have I got to lose? A tranny which is possibly dead... Would be something maybe other people can benefit from!?
 
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Old Dec 20, 2017 | 09:22 PM
  #29  
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Still yet to do my TH400 Daim but I did strip and rebuild the 4L80E that is now in my XJRs. That is little more than a variant of the 400 and it was a piece of cake.
You just need to be methodical and patient and you won't have a problem. I do not recall any special tools being required.
 
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Old Dec 20, 2017 | 11:26 PM
  #30  
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Awesome, Baxtor. Thanks!
 
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Old Dec 21, 2017 | 01:31 PM
  #31  
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Just got my spare transmission out of storage. It is coated in black thick oil. All from a worn, dead 1990 V12...I hope to start tearing it down over christmas.
 
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Old Dec 21, 2017 | 01:56 PM
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Originally Posted by baxtor
I do not recall any special tools being required.
I'm very surprised at that, as there is a whole crate of special tools in the manual, It's Kent Moore J-39225. As a minimum you'd need the lip seal installer tools.
 
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Old Dec 21, 2017 | 02:31 PM
  #33  
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Just been though the Chevy forums. They recommend a pick, a couple of screwdrivers, a few sockets and a hammer. Lip seal tools aren't really special tools. I have loads of them here.
 
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Old Dec 22, 2017 | 02:31 PM
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When you do swap the trans, don't forget to flush the trans cooler and lines and make sure they are CLEAN, mine were full of metal debris as was the trans pan.

Better still ditch the in rad cooler and add a front mounted cooler. The trans cooler in the Rad is on the HOT side totally the wrong place to put it. If you look at any car that has an in rad cooler it is always on the cool side of the rad, except the Jag.
 

Last edited by warrjon; Dec 22, 2017 at 02:33 PM.
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Old Dec 22, 2017 | 03:01 PM
  #35  
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Volvo is the same. They have the radiator on the hot side of the radiator on modes like the 700, 900 and even later P1 models.

The lines are all basically new, as they have been freshly galvanized. The radiator will be rebuilt, as it is basically dead and has been bodged with radweld.
 
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Old Dec 22, 2017 | 06:33 PM
  #36  
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some silly stuff , AN OLD CAR can never be original, unless you got some 1985 fuel , and 1985 AIR for the tyres!

am i right or wrong, we can never return to the WOMB.
 
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Old Dec 23, 2017 | 01:37 AM
  #37  
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Original doesn't mean 1989 in my case. It means looking like from the factory.
 
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