Clutch replacement

**D3Jon** · 3rd May 2009, 09:52 PM

Originally Posted by p38arover

I just had a look at my copy of the Perentie parts catalogue and only one clutch is listed. If there is another for the 4BD1-T, I'd expect two listed.

Pressure Plate: 8970317592 (sounds Isuzu)
Disc: AYG3616 (sounds LR)

I've recently replaced the clutch, pressure plate, etc in my 110 Isuzu County with a 5 speed LT85 Santana box, so have a little bit of info:

I don't know what 'box John has fitted, but AYG3616 isn't the 5 speed (LT85) one, so I presume it's one of the two available for the 4 speed (LT95).

When I was looking at the microfiche's at the LR dealer here in Perth, there were two clutches listed for the 4BD1 with a 4 speed and only one for the 5 speed. The two for the 4 speed were for the turbo version (6X6) and the non-turbo version. The 5 speed only gets the one clutch listed as it was never available from the factory with the 4BD1T.

Regarding pressure plates, 8970317592 is the Isuzu part number for the latest Turbo one, it supersedes part number 8941322320, which you may also find kicking around the Isuzu network.

5 speed clutch - NOTE! this is not the same as the clutch fitted to the V8 with the Santana box (Isuzu application has a larger diameter of 275mm versus 268mm for the V8 one - although this does contradict the original sales literature for the 110 that I have) :

Latest Turbo pressure plate:

Here's the original pressure plate that was fitted to mine (non turbo) - P/N still current:

Also note that the 5 speed clutch fit's the fine 23 spline of the LT85 input shaft, versus the course 10 spline of the LT95 one, here's the 5 speed clutch plate:

If you don't have a turbo and have no intention of ever fitting one, I'd stick with a non-turbo pressure plate. The turbo one is noticeably more "on/off" in it's nature of engagement.

Jon

**JDNSW** · 4th May 2009, 06:03 AM

Thanks for all the information - it is a four speed. I had actually already ordered the parts on Friday from Fred Smith, leaving the decision as to which parts to him.

John

**1103.9TDI** · 6th May 2009, 09:23 PM

Originally Posted by D3Jon

I've recently replaced the clutch, pressure plate, etc in my 110 Isuzu County with a 5 speed LT85 Santana box, so have a little bit of info:

Jon

So, is P/N 8970317592 a later pressure plate for the 5 speed or 4 speed?.

**D3Jon** · 7th May 2009, 10:01 AM

Originally Posted by 1103.9TDI

So, is P/N 8970317592 a later pressure plate for the 5 speed or 4 speed?.

Everything I've quoted is for 5 speed.

As an aside, I've no idea if the pressure plate is interchangeable between 4 & 5 speeds as I don't know the diameter of the 4 speed clutch.

EDIT - The 4 speed clutch is 275 diam as well, so the pressure plate is likely to be interchangeable - anyone know for sure?

Jon

**Blknight.aus** · 7th May 2009, 12:29 PM

unmount the AC compressor and tie it off out of the way.

you can then lift and seperate the engine from the bell housing after you pull the radiator (leave the condensor in place) and do everything else in the book

it gives you just enough room to change the clutch but no room to use the aligning tool.

ITs risky, get it wrong and you will frell the friction plate which means get a new one and go again.

or you could drop the gear box, it takes about twice as long but it leaves the ac alone and all you need for that is a floor jack and a lifting plate for the box.

doing the engine pull with an over head gantry style crane is about 10 times easier than doing it with a normal engine crane.

**1103.9TDI** · 7th May 2009, 11:56 PM

Originally Posted by Blknight.aus

unmount the AC compressor and tie it off out of the way.

you can then lift and seperate the engine from the bell housing after you pull the radiator (leave the condensor in place) and do everything else in the book

it gives you just enough room to change the clutch but no room to use the aligning tool.

ITs risky, get it wrong and you will frell the friction plate which means get a new one and go again.

or you could drop the gear box, it takes about twice as long but it leaves the ac alone and all you need for that is a floor jack and a lifting plate for the box.

doing the engine pull with an over head gantry style crane is about 10 times easier than doing it with a normal engine crane.

All that aside, we had the g/box-tx/case out in under three hours, without having to touch the engine, sussed the rear engine main, which was nice and dry

, and checked the g/box pics of the T/S to follow.

**1103.9TDI** · 8th May 2009, 12:00 AM

PS, The ADF books we have, say remove the front drivers side door prior to removal of the G/Box-TX/case.... is this fair dinkum?.

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