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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.

Service department.

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.

References

About the Author

Based out of Texas, Teri Stryker has been writing since 2009. As an online contributor to eHow, her writing focuses on topics in automotive, cooking and home repair. Stryker is pursuing a Bachelor of Science in criminal justice from the University of Phoenix.

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