Mountaineer 4WD V6-4.0L VIN E (1999)
Technical Service Bulletin # 99-14-2
Date: 990712
4x4 Indicator Lamp - Flashing and 4x4 Inoperative
Article No.
99-14-2
07/12/99
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LAMP - 4X4 LAMP FLASHING AND 4X4
INOPERATIVE - VEHICLES WITH A4WD
TRANSMISSION AND 4.0L
^
TRANSMISSION - A4WD - 4X4 LAMP FLASHING
AND 4X4 INOPERATIVE - VEHICLES WITH 4.0L
FORD:
1997-1999 EXPLORER
MERCURY:
1998-1999 MOUNTAINEER
ISSUE
The 4X4 indicator lamps may flash on some vehicles. This may be due to oxidation buildup and/or premature wear on the sense plate of the shift motor
which can send incorrect signals to the 4X4 controller. Terminals on the transfer case connector may also develop a resistive film, leading to faulty
signals to the 4X4 controller.
ACTION
Install a new shift motor and/or speed sensors with new terminal material. Refer to the following Service Procedure for details.
PART NUMBER
PART NAME
XL2Z-7F293-BA
Front Speed Sensor
XL2Z-7A786-AC
Jumper Wiring Harness
xL2Z-7F293-AA
Rear Speed Sensor
XL2Z-7G360-M
Transfer Case Shift Motor
OTHER APPLICABLE ARTICLES:
NONE WARRANTY STATUS: Eligible Under The Provisions Of Bumper To Bumper Warranty Coverage
OPERATION
DESCRIPTION
TIME
991402A
Perform Quick Tests And
0.5 Hr.
Review Service Diagnostic
Information Chart
991402BB
Extra Time To Replace
0.3 Hr.
Speed Sensor (Rear)
991402BC
Extra Time To Replace
0.5 Hr.
Speed Sensors (Both)
991402B
Extra Time To Replace
0.5 Hr.
Speed Sensor (Front)
991402C
Extra Time To Install
0.4 Hr.
Jumper Harness
991402D
Extra Time To Replace
0.5 Hr.
Shift Motor
991402E
Extra Time To Road Test
0.3 Hr.
Vehicle After Repairs
991402F
Use "A" Time For Circuit
Repair And Diagnostics As