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Starting in 1988 (mid-year) and was used in the Cherokee and Wrangler models until 1999 when it was replaced with the NV3550. The AX15 had a 23 spline output shaft and a mated to the NP231 as well as the NP207 transfercase. Between 1988 and 1993 the transmission featured an internal slave cylinder, the next year (1994) the transmission was ...
- Features
- Identification
- Transfer Case Compatibility
- Bellhousing Adaptability
- Transmission Fluid
- Summary
The AX15 is a split-case, top shifting, overdrive transmission with the shifter being located in the rear section of the transmission. The AX15 is fully synchronized in all gears. All gears are helically cut. Gear ratios for the AX15 are: 3.83, 2.33, 1.44, 1.00, 0.79, for first through fifth, respectively.
The 4wd version of the AX15 transmission case is 16-1/2" long. It features a cast aluminum case with a cast-aluminum mid-plate. The case is generously ribbed and features the shifter in the rear quarter of the assembly. In the vein of newer transmissions, the AX15 uses dowel pins for bellhousing alignment. The 4wd version of the Jeep AX15 has a 23 ...
The Jeep AX15 was factory-married to the Jeep New Process (aka New Venture) Model 231 transfer case. It is possible to adapt the AX15 to the Jeep Dana 300 transfer case in passenger side and driver side drop by using Novak kit #153. Marrying the AX15 to the NP207 transfer caseas found in earlier YJ and XJ Jeeps requires that the 207's longer input ...
AMC / Mopar Jeep As the AX15 was married to the Jeep engines mentioned above, it is OEM compatible with them. It can also be adapted to 1972-1991 AMC I6 & V8 engines following this procedure. Individuals, hoping to replace their AX5 occasionally assume the AX15 will replace it directly. The bellhousing patterns and spline counts between these simil...
For the AX15 transmission, Synchromesh oil is our top recommendation. It's specifically designed to provide superior gear protection and smoother shifts, reducing wear and ensuring reliable performance across various conditions. Opt for Synchromesh oil to enhance your transmission's longevity and efficiency.
The AX15 is one of the good successes for Jeep transmissions. They are generally regarded as the best five-speed transmission ever installed into a Jeep. They are an excellent gearbox, and remain in production by Aisin-Warner and are available from Novak, new, in their most improved version.
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The Aisin-Warner AX15 is a split-case five-speed transmission built by Aisin and used in vehicles with AMC and Mopar 4.0/4.2-L I6 engines. Vehicles included: Jeep Cherokee. Jeep Grand Cherokee. Jeep Comanche. Jeep Wrangler. Dodge Dakota. Dodge Durango.
In addition to the aforementioned 30-40LE four-speed automatic Aisin also provided the AX-4 (four-speed), AX-5 and AX-15 (five-speed overdrive) manual transmissions. The AX-15 was phased in midway through the 1989 model year to replace the Peugeot BA10/5 five-speed that had been used behind the 4.0 L engine from its introduction in 1987.
- 2-door truck
- 1985–1992
- 1986–1992
- Jeep
Vehicles made by American Motors Corporation (AMC) and Jeep incorporated a variety of transmissions and transfer case systems. This article covers transmissions used in the following vehicle models and years: All American Motors (AMC) passenger cars, 1954-1988; Jeep Cherokee XJ (1984–2001) Jeep Comanche (1985-1992) Jeep CJ (1976–1986)
Jeep Transmissions: AX-15. 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.
Price: $2,160.00. weight: 110.00 lb. Qty: Share. This new AX15 transmission features every available update and upgrade known, including a stronger gear alloy and refined shifter components. This AX15 is the later style, 1994-1999 configuration which features the cast iron front bearing retainer with a throwout bearing sleeve for the ...
