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How do you find out if have an Asian or Peugeot transmission on a 1989 Jeep Wrangler?

A 1989 Jeep Wrangler wouldn't have an Asian *or* Peugeot transmission. Those manufacturers didn't supply transmissions to Jeep at that time. The 1989 Wrangler used transmissions primarily sourced from either:

* AX-5: This is a 5-speed manual transmission, commonly found in many Jeeps of that era. It's the most likely candidate.

* BA-10/5: A slightly less common 5-speed manual transmission.

* TF-727/727RH: These are 3-speed automatic transmissions. The RH denotes a version with lockup torque converter.

To identify which transmission you have:

1. Check the transmission case: The easiest method is to look for a casting number or identification tag directly on the transmission case itself. This number can be cross-referenced with parts catalogs or online databases to determine the exact transmission model. You'll likely need to get underneath the Jeep for a clear view.

2. Look at the shifter: The shift pattern itself can provide a clue. The AX-5 has a standard H pattern, while the automatic will have a PRNDL (or similar) arrangement.

3. Consult your owner's manual: If you still have the original owner's manual, it should specify the transmission type for your specific vehicle.

4. Vehicle Identification Number (VIN): While the VIN doesn't directly state the transmission, it can be used to look up the original specifications of your Jeep through a Jeep parts dealer or online service. This will give you the most accurate information.

In short, focus your efforts on finding the casting number on the transmission itself and/or using the VIN to determine the original specifications. Don't expect to find an "Asian" or "Peugeot" designation; that's not a part of Jeep's transmission history for that model year.