Cherokee 4WD V6-173 2.8L VIN W 2-bbl (1985)
caused by:
^
Defective diodes,
^
An open stator winding,
^
Excessive carbon on the slip rings, and/or
^
Worn brushes.
Alternator Voltage Test
1.
Connect a voltmeter across the battery terminals.
2.
Start the engine and increase rpm until the voltmeter pointer remains steady. Voltage should be between 13.5 V and 15 V.
3.
Turn on as many accessories as possible within output rating (follow table) and note voltage reading again. Voltage should remain steady between
13.5 V and 15 V.
Alternator Current Test Specifications
Paris-Rhone
Paris-Rhone
Alternator
60 Amp
70 Amp
RPM
A13N117
A13N108
1500
19 Amps
21 Amps
3000
53 Amps
57 Amps
6000
60 Amps
68 Amps
Turbo-Diesel Alternator Stator - Rotor Resistance Specifications
ENGINE
MODEL
AMPS
STATOR
ROTOR
REG
2.1L
A13N117
60
0.1 OHMS
3.2 OHMS
YL154
2.1L
A13N108
70
0.082 OHMS
2.4 OHMS
YH2654
Alternator Torque Specifications
SERVICE
SERVICE IN USE
COMPONENT
SET-TO TORQUE
RECHECK TORQUE
PIVOT BOLT
38 N-m (28 ft.lbs.)
27-48 N-m (20-35 ft.lbs.)
ADJUSTING BOLT
27 N-m (20 ft.lbs.)
20-34 N-m (15-25 ft.lbs.)
ALTERNATOR BELT
190-215 N-m (140-160 ft.lbs.)
122-161 N-m (90-119 ft.lbs.)
Alternator Removal
1.
Disconnect the battery negative cable and alternator harness wires.
2.
Remove the alternator harness support bracket.
3.
Remove the alternator mounting bolts.
4.
Slide the alternator belt off the pulley and remove the alternator.
Alternator Installation
1.
Install the alternator.
2.
Install the alternator drive belt. [Used belt - tighten to 122-161 N-m (90-119 lbs.) or new belt - tighten to 190-215 N-m (140-161 lbs.).]
3.
Tighten the alternator pivot bolt to 38 N-m (28 ft.lbs.) torque. Tighten the adjusting bolt to 27 N-m (20 ft.lbs.) torque.
4.
Connect the alternator harness wires and the battery cable.
5.
Install the alternator harness support bracket.
