How do I Tell What Type of Jeep Transmission One Has?by Teri Stryker
Over the years Jeep has used several different electronically controlled automatic transmissions. The AW-4 is used on 1993 models only. The 42RE and 42RH come with six-cylinder models. The 44RE, 46RH and 46RE are used on 5.2L/5.9L V8 models. In 1999 the 45RFE was brought in on the 4.7L V8 engine. 2001 saw an update as the 545RFE transmission was put into use.
Locate the plate.
Lay on the ground on either side of the Jeep.
Slide under the Jeep to the transmission which is bolted to the motor.
Look for a metal plate attached to the transmission. The transmission number is located on the plate. It is the only number on the plate. EX. 42RE.
Look on the dash or the title for the VIN number. The technician can enter the VIN number to find out what transmission is in the Jeep. The VIN is a combination of 17 numbers and letters.
Call a Jeep dealership service department.
Supply the VIN to the service technician.
- "Jeep Grand Cherokee1993 thru 2004 All Models"; Larry Warren and John H. Haynes; 2004
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