Dodge RAM TRUCK 1500 1995 Service Manual page 365

8B - 8 BATTERY/STARTER/GENERATOR SERVICE BR
GENERAL INFORMATION
This section covers generator service procedures
only. For generator or charging system diagnosis, re­
fer to Group 8A - Battery/Starting/Charging Systems
Diagnostics.
The generator is belt-driven by the engine. All en­
gines use serpentine drive. The generator is serviced
only as a complete assembly. If the generator fails for
any reason, the' entire assembly must be replaced.
Three generator output ratings are available on
this vehicle, depending upon optional equipment. Be
certain that the replacement generator has the same
output rating as the original unit. Refer to Group 8A
- Battery/Starting/Charging Systems Diagnostics and
see Specifications.
The generator field control (voltage regulator) cir­
cuitry is internal to the Powertrain Control Module
(PCM). If faulty, the entire PCM must be replaced.
Refer to Group 14 - Fuel System for PCM service
procedure.
GENERATOR REMOVE/INSTALL
WARNING: DISCONNECT NEGATIVE C A B L E ( S )
FROM BATTERY(IES) B E F O R E REMOVING BAT­
TERY OUTPUT W I R E FROM GENERATOR. FAILURE
TO DO S O CAN R E S U L T IN INJURY.
(1) Disconnect battery negative cable(s).
(2) Remove generator drive belt. Refer to Group 7 -
Cooling System for procedure.
(3) Remove the generator pivot and mounting bolts
(Fig. 19). Position generator for access to wire con­
nectors.
(4) Remove nuts from harness holddown, battery
terminal, ground terminal and 2 field terminals (Fig.
20). Remove wire connectors.
(5) Remove the generator.
(6) Reverse removal procedures to install. Tighten
generator hardware as follows:
• generator mounting bolts - 41 N-m (30 ft. lbs.)
• battery terminal nut - 8.5 N-m (75 in. lbs.)
• ground terminal nut - 8.5 N-m (75 in. lbs.).
• harness holddown nut - 8.5 N-m (75 in. lbs.)
• field terminal nuts - 2.8 N-m (25 in. lbs.)
CAUTION: Never force a belt over a pulley rim us­
ing a screwdriver. The synthetic fiber of the belt can
be damaged.
Fig. 19 Remove/Install Generator
Fig. 20 Remove/install Generator Connectors
CAUTION: When installing a serpentine accessory
drive belt, the belt MUST be routed correctly. The
water pump will be rotating in the wrong direction if
the belt is installed incorrectly, causing the engine
to overheat. Refer to belt routing label in engine
compartment, or refer to Belt Schematics in Group
7 - Cooling System.