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TSB 21-20-94

Checking Automatic Transmission Fluid Levels on RWD Vehicles

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Date: Oct. 28, 1994

Models: 1994 - 1995 (BR) Ram Truck

1990 - 1995 (AB) Ram Van/Ram Wagon
1990 - 1993 (AD) Ram Pickup/Ram Chassis/Ram Charger
1990 - 1995 (AN) Dakota/Dakota Chassis Cab
1994 - 1995 (BR) Ram Truck
1990 - 1995 (XJ) Cherokee
1990 - 1995 (YJ) Wrangler
1993 - 1995 (ZJ) Grand Cherokee

Discussion:

All automatic rear wheel drive transmission fluid levels must be checked with the engine running and the transmission in Neutral. This is different from front wheel drive transaxles.

A description of the procedure is listed below. Please refer to the appropriate Service manual for complete service procedures. 

Repair: 

WARNING:    USE EXTREME CAUTION WHEN THE ENGINE IS OPERATING. DO NOT PUT YOUR HANDS NEAR THE ACCESSORY DRIVE BELT, PULLEYS OR FAN BLADE. DO NOT STAND IN A DIRECT LINE WITH THE FAN BLADE.

1.    Vehicle should be driven for at least 15 minutes prior to checking to ensure proper fluid temperature.

2.    Place vehicle on level surface.

3.    Apply parking brake.

4.    With brake applied, start and run engine at idle. Move the transmission through all the gear positions, pausing momentarily in each and ending with the lever in Neutral.

5.    Raise hood and remove dipstick, wipe clean and determine if fluid is hot or warm.

6.    Reinsert dipstick until cap seals. Remove and note reading. If the fluid level checks low, add sufficient fluid to bring the level to within the marks for the appropriate temperature. Add only enough fluid to restore level to the Max mark on dipstick.

NOTE: It is imperative that the level is checked with the engine running and the transmission in neutral. If a transmission is in park, an incorrect level will be shown.

7.    Repeat procedure to verify check level.

NOTE: If fluid has been added, beware of residual fluid in the tube giving a false reading.

Policy:    Information Only

 


Thanks to Bob Bergevin and Barry Drodge for supplying this TSB information

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This page was edited on: May 3, 2004