DODGE RAM 2003 Service Repair Manual

DODGE RAM 2003 Service Repair Manual RAM 2003 DODGE DODGE https://www.carmanualsonline.info/img/12/56913/w960_56913-0.png DODGE RAM 2003 Service Repair Manual
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DODGE RAM 2003  Service Repair Manual CONDITION POSSIBLE CAUSES CORRECTION
Temperature gauge reading is
inconsistent (flucttuates, cycles
or is erratic)1. During cold weather
operation, with the heater blower
in the high position, the gau

Page 302 of 2895

DODGE RAM 2003  Service Repair Manual CONDITION POSSIBLE CAUSES CORRECTION
DETONATION OR PRE-
IGNITION (NOT CAUSED BY
IGNITION SYSTEM). GAUGE
MAY OR MAY NOT BE
READING HIGH1. Engine overheating. 1. Check reason for overheating and
repair

Page 303 of 2895

DODGE RAM 2003  Service Repair Manual CONDITION POSSIBLE CAUSES CORRECTION
INADEQUATE HEATER
PERFORMANCE.
THERMOSTAT FAILED IN
OPEN POSITION1. Has a Diagnostic trouble
Code (DTC) been set?1. (Refer to 25 - EMISSIONS CONTROL -
DESCRIPTION)

Page 304 of 2895

DODGE RAM 2003  Service Repair Manual STANDARD PROCEDURE
STANDARD PROCEDURE - COOLANT LEVEL
CHECK
NOTE: Do not remove radiator cap for routine cool-
ant level inspections. The coolant level can be
checked at coolant recovery bottle or the

Page 305 of 2895

DODGE RAM 2003  Service Repair Manual CAUTION: Follow manufacturers instructions when
using these products.
STANDARD PROCEDUREÐDRAINING COOLING
SYSTEM 3.7L/4.7L/5.7L ENGINE
WARNING: DO NOT REMOVE THE CYLINDER
BLOCK DRAIN PLUGS (Fig. 6) O

Page 306 of 2895

DODGE RAM 2003  Service Repair Manual (3) Fill cooling system with a 50/50 mixture of
water and antifreeze.
(4) Fill coolant reserve/overflow tank to MAX mark
on bottle.
(5) Start and operate engine until thermostat
opens (upper radiator

Page 307 of 2895

DODGE RAM 2003  Service Repair Manual WARNING: DO NOT REMOVE OR LOOSEN THE
RADIATOR CAP WITH THE COOLING SYSTEM HOT
AND UNDER PRESSURE. SERIOUS BURNS FROM
THE COOLANT OR HIGH PRESSURE STEAM CAN
OCCUR.
For 3.7L / 4.7L/5.9L engines, remove

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DODGE RAM 2003  Service Repair Manual Cooling System Pressure Tester - 7700A
Adapter Pins 8346
DRCOOLING 7 - 21
COOLING (Continued)

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DODGE RAM 2003  Service Repair Manual ACCESSORY DRIVE
TABLE OF CONTENTS
page page
BELT TENSIONERS - 3.7L / 4.7L
DESCRIPTION.........................22
OPERATION...........................22
REMOVAL.............................22
INSTALLAT

Page 310 of 2895

DODGE RAM 2003  Service Repair Manual NOTE: A used belt should be replaced if tensioner
indexing arrow has moved to the minimum tension
indicator. Tensioner travel stops at this point.
(1) Remove accessory drive belt (Refer to 7 -
COOLING
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