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Jimny clutch swap from Liana

  • prolecs
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01 Feb 2020 10:15 #217921 by prolecs
Jimny clutch swap from Liana was created by prolecs
Hi
Can anyone tell me if the Liana clutch/pressure plate will fit in the bell housing of the Jimny (2010)?
I want to swap to an M18 motor and clutch out of a Liana, and I believe the Liana has a slightly larger diameter pressure plate.
I intend to machine the flywheel so drilling extra mounting clutch mounting holes is no problem.

Regards
Roy

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01 Feb 2020 11:27 - 01 Feb 2020 11:27 #217922 by sniper
Replied by sniper on topic Jimny clutch swap from Liana
I doubt anybody will be of much help.... The M18 is not available in Europe so there is little knowledge on the swap.

Riccy has the only M18VVT in the UK as far as I am aware..... and that was fitted with a Jimny flywheel and clutch.

The Liana was only 1600cc in the UK, more's the pity......

sniper
Last edit: 01 Feb 2020 11:27 by sniper.

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  • Old Blind Dog
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02 Feb 2020 04:30 #217959 by Old Blind Dog
Replied by Old Blind Dog on topic Jimny clutch swap from Liana
No need to machine flywheel. Just put it as is. Cut 5 mm off hub on clutch disk to get some space so it can move on shaft. That's all.

Liana clutch is really a bit larger. But Vitara M16A is the largest among M-series. But you've got to machine the flywheel to decrease its thickness and move drive bearing deeper.
And use mitsu lancer disk. Same hub to Jimny, but Vitara diameter.

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  • prolecs
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15 May 2021 19:34 #235057 by prolecs
Replied by prolecs on topic Jimny clutch swap from Liana
Thanks very much OldBlindDog. I'm into it now. Put basic M13 engine with M18 clutch up to gearbox and realised it is not quite meeting at faces. Thought it might be throw out bearing run out of room..
Dicky knee means I have yet to get under to eyeball it but the boss makes sense. Tis thicker than M13 boss

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15 May 2021 21:33 #235066 by Keithy
Replied by Keithy on topic Jimny clutch swap from Liana

Vitara M16A is the largest among M-series. But you've got to machine the flywheel to decrease its thickness and move drive bearing deeper.
 
Vitara flywheel is super thick!

Liana clutch splines are the same as Jimny....too tiny a diameter difference to be a worthwhile mod imho.....and the clutch costs considerably more.

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  • prolecs
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17 May 2021 05:23 - 17 May 2021 16:01 #235134 by prolecs
Replied by prolecs on topic Jimny clutch swap from Liana
The short story – Liana clutch/flywheel won’t fit in Jimny!! Not in my 2010 M15 engined R72 gearbox version. Current clutch is Excedy purple sports but is worn out and partially cooked so I am up for clutch and surfaced flywheel. Hence the thought of using the bigger Liana clutch to get more grip for standard pedal pressure.
The longer story – some crucial dimensions that tell you why it won’t fit – measured not so accurately with verniers.I mated the engine with Liana flywheel and clutch, to the gearbox – the clutch lever had some play, but the TO bearing was hard against the stepped gearbox snout and was compressing the pressure plate fingers. 
Some critical dimension differences for Liana over Jimny –+3.0mm thicker FW;
+6.0mm FW disk friction surface to rear;
+7.5mm PP fingers to the crankshaft flange (no disk installed); this would reduce with the disk installed so probably no problem;
+8.0mm gearbox side of disk boss to the crank flange; might be a problem but a couple of mm could be taken off the boss if need be;
The Liana has a FW raised friction surface (+0.4) cf: to Jimny which is recessed (-2.0mm); the Liana disk JUST fits in the recess diameter wise;Bell housing has enough room diameter wise. 
So the Liana FW and clutch would not fit, but I thought maybe the Liana PP and disk, with the Jimny flywheel.The Jimny FW would need to have 2.4mm+ machined from the area outside the disk friction surface, to provide a raised friction surface to match the Liana clutch setup (and drilled for bolts and dowels on the new PCD). This gets us closer to specs for the Jimny TO bearing position but to be sure another 1.5-2mm off the flywheel face is needed.I did a VERY rough calc and it seems that I would lose ~15% FW weight, (assuming the structural integrity of the FW could be maintained), and I don’t really want a lightened flywheel in my 4WD.
So I guess it’s buy a new Jimny and very EXXY Excedy kit and put up with the heavy pedal!
Last edit: 17 May 2021 16:01 by prolecs. Reason: Make easier to read

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  • zebooka
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20 May 2021 06:18 - 20 May 2021 06:34 #235218 by zebooka
I did it with cutting flywheel.
www.drive2.com/l/551895464589394634/ (use google translate, it's on Russian)

Cut 3.5mm working surface and 1.5mm back (closer to engine). Total weight decreased about 1 kilo from 7 kilos to 6 kilos (Jimny flywheel is 6.5 kilo).
Now I have bought another flywheel to experiment with solution as OldBlindDog said. Cause it feels that flywheel is too light. Although it is ok to drive more or less (m18, r7me with 0.795 from secord generation, 1.32/2.64, 4.09 and 235/75/15 MT)

 

JB43V M18A R7ME 0.795, 1.32/4.67 (0-77 trail gear), 4.09, MT 215/85/16 + S❄ 235/75/15, 4"
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Last edit: 20 May 2021 06:34 by zebooka.

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