2003 DODGE RAM electrical

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Page 1603 of 2895

DODGE RAM 2003  Service Repair Manual DIAGNOSIS AND TESTINGÐENGINE DIAGNOSIS - PERFORMANCE
PERFORMANCE DIAGNOSIS CHARTÐGASOLINE ENGINES
CONDITION POSSIBLE CAUSES CORRECTION
ENGINE WILL NOT CRANK 1. Weak or dead battery 1. Charge/Replace

Page 1604 of 2895

DODGE RAM 2003  Service Repair Manual CONDITION POSSIBLE CAUSES CORRECTION
12. Faulty ignition coil 12. Test and replace, as necessary (Refer
to 8 - ELECTRICAL/IGNITION CONTROL/
IGNITION COIL - REMOVAL).
ENGINE STALLS OR
ROUGH IDLE1. Carb

Page 1611 of 2895

DODGE RAM 2003  Service Repair Manual (3) Discharge the air conditioning system, if
equipped (Refer to 24 - HEATING & AIR CONDI-
TIONING/PLUMBING - STANDARD PROCEDURE).
(4) Remove the upper crossmember.
(5) Remove the transmission oil coo

Page 1612 of 2895

DODGE RAM 2003  Service Repair Manual (21) Install the generator and wire connections
(Refer to 8 - ELECTRICAL/CHARGING/GENERA-
TOR - INSTALLATION).
(22) Install the upper crossmember.
(23) Install radiator (Refer to 7 - COOLING/EN-
GINE/

Page 1620 of 2895

DODGE RAM 2003  Service Repair Manual ²Possible indications of the cylinder head gasket
leaking between a cylinder and an adjacent water
jacket are:
þ Engine overheating
þ Loss of coolant
þ Excessive steam (white smoke) emitting from

Page 1622 of 2895

DODGE RAM 2003  Service Repair Manual (4) Install push rods and rocker arm assemblies in
their original position (Refer to 9 - ENGINE/CYLIN-
DER HEAD/ROCKER ARM / ADJUSTER ASSY -
INSTALLATION).
(5) Install lower intake manifold (Refer to

Page 1626 of 2895

DODGE RAM 2003  Service Repair Manual REMOVAL
REMOVALÐVALVE STEM SEALS
NOTE: This procedure is done with the cylinder
head installed.
(1) Disconnect the negative cable from the battery.
(2) Set engine basic timing to Top Dead Center
(TDC

Page 1673 of 2895

DODGE RAM 2003  Service Repair Manual FRONT AIR DAM
REMOVAL
(1) Using a trim stick C-4755 or equivalent,
remove the fog lamp trim bezels. (Fig. 1)
(2) Remove the air dam screws through the fog
lamp opening (1 per side).
(3) Remove the two