[Amc-list] xj: 2wd AX15 tranny

[Brien Tourville <hh7x@xxxxxxxxxxx>]

    R154

This is a robust 5-speed transmission found in the MKIII Supra Turbo 
<http://www.answers.com/topic/toyota-supra> and Toyota Soarer 
<http://www.answers.com/topic/toyota-soarer> (turbo) up to 2001.

Ratios:

    * First Gear: 3.250:1
    * Second Gear: 1.955:1
    * Third Gear: 1.310:1
    * Fourth Gear: 1.00:1
    * Fifth Gear: 0.753:1


Transmission 	1st 	2nd 	3rd 	4th 	5th 	Rev
AX-15 	3.83 	2.33 	1.44 	1.00 	0.79 	4.22





The AX-15 is a medium duty five speed transmission with an aluminum 
case. It is manufactured by Aisin in Japan and, although they are not 
compatible, the same model transmission is used in some Toyota trucks. 
In 1994 the clutch slave cylinder was moved to the outside of the bell 
housing, so these AX-15s have a different input bearing retainer to 
accommodate the different throwout bearing. The input shaft is also 
slightly different, so a different pilot bushing is used. All AX-15s 
have a 1 1/8" 10 spline input shaft and a 23 spine output shaft.


      Usage

The AX-15 was first used in Cherokees (XJ) and Comanches (MJ) with the 
4.0L engine. In mid 1989, the AX-15 was used in Wranglers (YJ) with the 
4.2L engine and it continued to be used with the 4.0L engine. The first 
year of the Grand Cherokee (ZJ), the AX-15 was rare option only with the 
4.0L engine. The AX-15 is still used in TJs and XJs with the 4.0L engine.

Transmission 	

1st 	2nd 	3rd 	4th 	5th 	Rev
AX-15 	3.83 	2.33 	1.44 	1.00 	0.79 	4.22





AX First to second = 1.50
R  First to second = 1.295

AX Second to third = 0.89
R  Second to third = 0.645

AX Third to fourth = 0.44
R  Third to fourth = 0.44

AX Fourth to fifth = 0.79
R  Fourth to fifth = 0.79




Wouldn't the car be more 'manageable' in parking
& such with the AX15 ? 

'Launches' would push the RPMs up -



The R154 boxes I've been finding on the .net all need
a rebuild - minimum of $220.00 in parts w/o labor.

Prices start $350.00 for a core.


Found a '97 AX15 with 27K miles complete for $397.00
in a local yard - $235.00 two states away.







    =Bt=
milnersXcoupe






Sandwich Maker wrote:
> " From: Brien Tourville <hh7x@xxxxxxxxxxx>
> " 
> " > From: "Jim Blair" <carnuck@xxxxxxxxxxx>
> " >
> " > 
> " 
> " The '97 - '99 2wd AX15 is the one to look for - High Output version - 
> " larger input shaft with other improvements.
> " 
> " This would be *sweet* behind a 360 set up for crusin' in a light car!
>
> except for the gearing.  much better would be a turbo supra r154 [same
> box, car gears] but i don't know if it ever got the same strength
> improvements.
> ________________________________________________________________________
> Andrew Hay                                  the genius nature
> internet rambler                            is to see what all have seen
> adh@xxxxxxxxxxxxxxxxx                       and think what none thought
>
>
>   
-- 

  

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