Who makes the AW4 transmission?
Aisin-Warner
The Aisin-Warner four-speed automatic transmission (AW4) was co-designed by AMC and Borg Warner, and built by Aisin in their new facility for use with the Cherokee XJ’s 4.0L inline six cylinder engine. It was manufactured by Aisin-Warner, a member of the Toyota group, in partnership with Borg-Warner.
Is Jeep Cherokee Limited a good car?
The Jeep Cherokee is an OK compact SUV. It’s one of the most capable off-roading SUVs, it’s available with a potent turbocharged engine, and it comes with a user-friendly infotainment system. However, it lags behind most rivals in terms of cargo space, rear-seat room, and interior quality.
Are there any faults in the Jeep AW4 transmission?
Diagnosis of faults in the Jeep AW4 transmission. The automatic transmission used in the Jeep XJ Cherokee is nearly bullet proof. Seldom does it ever give trouble. Maybe that is why it is so hard to find good information on how to fix it when it occasionally does act up.
How does the torque converter work on a jeep AW4?
Normally, the transmission with switch to 2nd at 20 to 25 mph depending on the TPS signal. It gets its speed reference from the internal speed sensor so if you are in low range, the speed will be different. In the 1-2 position, the torque converter can lock up in first or second gear. In 3 or D it will only lock in 3 or four.
Why is my AW4 transmission not working at 25 mph?
The harness passes right behind the transfer case shift linkage and can be damaged by the linkage if it is moved around by a transfer case drop or something like that. Normally, the transmission with switch to 2nd at 20 to 25 mph depending on the TPS signal.
What should the engine speed be on a jeep AW4?
The normal sequence is to shift to second, and then third, then forth and then the torque converter will lock up giving an engine speed of about 2700 RPM at 55 MPH. Armed with this information, you could be able to sort through nearly any fault in the AW4.