Chrysler RAM TRUCK 2500 1994 Service Manual page 343

8B - 6 BATTERY/STARTER/GENERATOR SERVICE
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G E N E R A T O R S E R V I C E
INDEX
page
General Information 6
Generator Replacement—3.9L/5.2L/5.9L-LDC Gas
Engine 6
GENERAL INFORMATION
This section will cover generator removal and in­
stallation. The generator is not serviceable. Informa­
tion covering on-vehicle testing can be found i n
Group 8A - Battery/Starting/Charging/System
Diag­
nostics.
The standard equipment generator is the 75 amp
generator. The optional generator is a 90 amp unit.
When a vehicle is equipped with the heavy duty
package, diesel, or VIO engine option, a 120 amp
generator is used.
GENERATOR REPLACEMENT—3.9L/5.2L/5.9L-LDC
GAS ENGINE
Drive belts on these engines are equipped with a
spring loaded automatic belt tensioner (Fig. 1). This
belt tensioner is used on all belt configurations. For
more information, refer to Group 7 - Cooling, Belt
Removal/Installation.
REMOVAL
(1) Disconnect negative cable from battery.
(2) Attach a socket/wrench to pulley mounting bolt
of automatic tensioner (Fig. 1).
(3) Rotate tensioner assembly clockwise (as viewed
from front) until tension has been relieved from belt.
(4) Remove belt from idler pulley first.
(5) Remove belt from vehicle. ,
(6) Remove lower generator mounting bolt and nut
(Fig. 2).
(7) Remove upper generator mounting bolt and re­
move generator.
(8) Remove B+ terminal nut, 2 field terminal nuts,
ground, and wire harness holddown nuts (Fig. 3). Re­
move wire connectors.
INSTALLATION
(1) Install harness to generator. Tighten nuts as
follows:
• Ground terminal, B+ terminal and wire harness
holddown 7-10 N-m (60-90 in. lbs.).
• Field terminals 2.5-3 N-m (20-30 in. lbs.).
(2) Install generator. Tighten both bolts to 41 N-m
(30 ft. lbs.).
CAUTION: When installing a serpentine a c c e s s o r y
drive belt, the belt MUST be routed correctly. The
page
Generator Replacement—5.9L HDC and V-10 Gas
Engine 7
Generator Replacement—Diesel Engine 8
Fig. 1 Automatic Belt Tensioner—Belt Removal/
Installation
Fig. 2 Generator Mounting Bolts
engine may overheat because the water pump will
be rotating in the wrong direction if the belt is in­
stalled incorrectly. Refer to belt routing label in en­
gine compartment, or s e e Group 7 - Cooling
System, Belt Schematics.