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TSB 21-08-95

Speed Sensor Oil Seepage

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Date: Jun. 30, 1995

Models: 1994 - 1995 (BR) Ram Truck

1994 - 1995 (AB) Ram Van/Wagon
1994 - 1995 (AN) Dakota/Dakota Cab & Chassis
1994 - 1995 (BR) Ram Truck
1994 - 1995 (XJ) Cherokee/Wagoneer
1994 - 1995 (YJ) Wrangler
1994 - 1995 (ZJ) Grand Cherokee/GrandWagoneer


oil seepage can occur at the speed sensor or speed sensor gear adapter (speedometer adapter), which as located at the transmission extension housing on two wheel drive vehicles or at the transfer case on four wheel drive vehicles. This seepage can occur at three areas. The first area is through the speed sensor internally. This condition was addressed with Technical Service Bulletin No. 21-14-94 which released a redesigned speed sensor with internal seals. This sensor, P/N 56027825, has been used in production since Nov. 1993 and is white in color. If seepage is present and oil is found inside the electrical connector on one of the older black sensors, the part will have to be replaced with the new sensor.

Two other conditions can be present. Seepage between the sensor O-ring and the adapter housing or seepage between the adapter O-ring and the transmission or transfer case housing. If either of these conditions are present, perform the repair procedure


1 52069315 Speedometer Adapter  


This bulletin involves replacing the speedometer adapter.

Remove the speedometer adapter and install P/N 52069315.


Policy:    Reimbursable within the provisions of the warranty.

Time Allowance:
Labor Operation No:  Speed Sensor or Speedometer Adapter - Replace
                                    AD, AN, XJ, YJ, ZJ  08-45-13-96 . . . 0. 2 Hrs.
                                    BR                            08-45-13-96 . . .  0. 2 Hrs.

Failure Code:  P8 - New Part 

Thanks to Barry Drodge for supplying this TSB information

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This page was edited on: May 3, 2004