Mitsubishi Montero (1991+). Manual — part 288

TRAILER HITCH WELD CAN BREAK: NEW TRAILER HITCH

1991 Mitsubishi Montero

NHTSA RECALL BULLETIN

Models: 1986 Isuzu Trooper II

1987 Dodge Raider

1987 Isuzu Trooper II

1988 Dodge Raider

1988 Isuzu Trooper II

1989 Dodge Raider

1989 Isuzu Amigo

1989 Isuzu Trooper II

1990 Isuzu Amigo

1990 Isuzu Trooper

1991 Isuzu Amigo

1991 Isuzu Trooper

1991 Mitsubishi Montero

1991 Toyota Land Cruiser

1992 Mitsubishi Montero

1992 Toyota Land Cruiser

1993 Toyota Land Cruiser

Number of Affected Vehicles: 670

Beginning Date of Manufacture: 1992 MAR

Ending Date of Manufacture: 1993 JUN

FAULT:

Weld, Solder broken

SYSTEM:

Trailer hitch.

EQUIPMENT DESCRIPTION:

Reese class II trailer hitch, Part No. 06070.

DESCRIPTION OF DEFECT:

The weld on the receiver unit of the trailer hitch can break.

CONSEQUENCE OF DEFECT:

If the failure occurs, the trailer can separate from the towing

vehicle, and could result in a vehicle crash without warning.

CORRECTIVE ACTION:

Replace the trailer hitch.

NOTE:

If your vehicle is presented to the dealer from whom you purchased the

item on an agreed service date and the remedy is not provided or the

remedy does correct the safety-related defect or noncompliance, please

contact Reese Products warranty department at 1-800-326-1090, ext.

203. Also contact the National Highway Traffic Safety Administration’s

auto safety hotline at 1-800-424-9393.

ADDITIONAL INFORMATION:

The National Highway Traffic Safety Administration operates Monday

through Friday from 8:00 AM to 4:00 PM, Eastern Time. For more

information call (800) 424-9393 or (202) 366-0123. For the hearing

impaired, call (800) 424-9153.

TRANSFER CASE

1991 Mitsubishi Montero

1991-94 TRANSFER CASES

Mitsubishi

Dodge; Ram-50

Mitsubishi; Pickup, Montero

APPLICATION

TRANSFER CASE APPLICATIONS TABLE

Application (1) Transmission Model

Dodge

1991-93 Ram-50 (2.4L) . . . . . . .. V5M21-1

1991-93 Ram-50 (3.0L M/T) . . . . . .. V5MT1-2

1991-93 Ram-50 (3.0L A/T) . . . . . .. V4AC1-2

Mitsubishi

1991-92 Pickup . . . . . . . . . V5MT1-2

1991 Montero (M/T) . . . . . . . . V5MT1-2

1991 Montero (A/T) . . . . . . . . V4AW2-2

1992 Montero (M/T) . . . . . . . ( 2) V5MT1-3

1992 Montero (A/T) . . . . . . . ( 2) V4AW2-3

1993-94 Montero (M/T) . . . . . .. ( 2) V5MT1-2

1993-94 Montero (A/T) . . . . . . ( 2) R4AC1

(1) - Transfer case is indicated by a -2 or -3 following the

transmission model number.

(2) - Transfer cases for Montero are identical for automatic and

manual transmission models.

DESCRIPTION

Transfer case is a part-time, 2-speed unit with a 3-piece

aluminum case. Transfer case has a floor-mounted shifter and integral

speedometer gear. In Montero a Viscous Coupling Unit (VCU) and center

differential allows 2WD-to-4WD shifting at speeds under 62 MPH and

full-time 4WD operation.

WARNING: When battery is disconnected, vehicles equipped with

computers may lose memory data. When battery power is

restored, driveability problems may exist on some vehicles.

These vehicles may require a relearn procedure. See the

COMPUTER RELEARN PROCEDURES article in the GENERAL

INFORMATION section.

TESTING

4WD INDICATOR CONTROL UNIT (MONTERO)

The 4WD indicator control unit is located behind radio or CD

player. Remove 4WD indicator control unit and disconnect harness.

Backprobe harness connector and measure voltage between terminal No. 8

(ground) and each respective terminal. Compare test results with

chart. See Fig. 1.

DETECTION SWITCH

NOTE: With switch removed, check continuity between switch

connector terminal and switch body. With switch installed,

check continuity between switch connector terminal and

transfer case.

4WD Indicator Light Switch (RAM-50)

With switch removed, check continuity between connector

terminal and switch body. With switch end pressed, there should be no

continuity. With switch end released, there should be continuity.

Center Differential Lock Operation Detection Switch (Montero)

Check continuity between terminals at Brown wire connector

terminal on top of transfer case. With transfer control lever in "4H"

position, there should be no continuity. With transfer control lever

in "4HLc" position, there should be continuity. See Fig. 2.

4WD Operation Detection Switch (Montero)

Check continuity between terminals at Black wire connector

terminal on top of transfer case. With transfer control lever in "2H"

position, there should be no continuity. With transfer control lever

in "4H" position, there should be continuity. See Fig. 2.

Center Differential Lock Detection Switch (Montero)

Check continuity between terminals at Brown wire connector

terminal on side of transfer case. With transfer control lever in "4H"

position, there should be no continuity. With transfer control lever

in "4HLc" position, there should be continuity. See Fig. 2.

2WD-4WD Detection Switch (Montero)

Check continuity between terminals at Black wire connector

terminal on side of transfer case. With transfer control lever in "4H"

position, there should be no continuity. With transfer control lever

in "2H" position, there should be continuity. See Fig. 2.

HI/LO Detection Switch (Montero)

Check continuity between terminals at White wire connector

terminal on side of transfer case. With transfer control lever in "N"

(between "4HLc" and "4LLc") position, there should be no continuity.

With transfer control lever in "4HLc" position, there should be

continuity. With transfer control lever in "4LLc" position, there

should be continuity. See Fig. 2.