1999 DODGE RAM fuel filter
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![DODGE RAM 1999 Service Repair Manual Stoplight Switch On brake pedal bracket. \
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\](/manual-img/12/56915/w960_56915-539.png "DODGE RAM 1999 Service Repair Manual Stoplight Switch On brake pedal bracket. \
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Stoplight Switch On brake pedal bracket. \
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MISCELLANEOUS
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Component Component Location \
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Blower Motor Resistor Block Behind right side of dash, on
A/C-heater housing.
Data Link Connector (DLC) Left bottom of dash.
Fuel Heater (Diesel) In top of fuel filter housing.
Ignition Coil 4-Pack & 6-Pack Right side of engine.
Page 598 of 1691
(8) - One used on vehicles with light-duty emissions. Two used on
vehicles with heavy-duty emissions.
(
9) - Used on vehicles with heavy-duty emissions.
(
10 ) - Two catalytic converters are required.
(
11 ) - Four sensors used on vehicles with medium-duty emissions.
Two sensors used on vehicles with heavy-duty emissions.
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ABBREVIATIONS
ABBREVIATION DEFINITIONS\
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Abbreviation Definition
AIH ................................... Air Intake Heaters
AIH-TS ............................ AIH Temperature Sensor
AP ............................. Air Pump Injection System
AP-CKV .................................... AP Check Valve
AP-RV .................................... AP Relief Valve
BP/EGR ........................... Backpressure EGR System
BP/EGR-BPT ................ BP/EGR Backpressure Transducer
CCV ................................ Crankcase Ventilation
CEC ......................... Computerized Engine Controls
CNG ............................... Compressed Natural Gas
EFI ............................ Electronic Fuel Injection
EGR-CKV .................................. EGR Check Valve
EVAP ............................. Fuel Evaporative System
EVAP-CVV ........................ EVAP Canister Vent Valve
EVAP-LDP ........................ EVAP Leak Detection Pump
EVAP-LDPF ................ EVAP Leak Detection Pump Filter
EVAP-PRRV ............ EVAP Pressure Relief Rollover Valve
EVAP-PSOL ............................ EVAP Purge Solenoid
EVAP-VC .............................. EVAP Vapor Canister
EVAP-VV ........................... EVAP Ventilation Valve
FR ................................... Fillpipe Restrictor
HO2S ................................ Heated Oxygen Sensor
MIL .......................... Malfunction Indicator Light
PCV ....................... Positive Crankcase Ventilation
SFI .................. Sequential Multiport Fuel Injection
SPK ....................................... Spark Controls
SPK-CC ........................... SPK Computer Controlled
TWC ........................ Three-Way Catalytic Converter
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Page 613 of 1691
Spark control systems are designed to ensure the air/fuel
mixture is ignited at the best possible moment to provide optimum
efficiency and power and cleaner emissions.
Ensure vacuum hoses to the distributor, carburetor, spark
delay valves, thermal vacuum switches, etc., are in place and routed
properly. On Computerized Engine Controls (CEC), check for presence of\
required sensors (O2, MAP, CTS, TPS, etc.). Ensure they have not been
tampered with or modified.
Check for visible modification or replacement of the feedback
carburetor, fuel injection unit or injector(s) with a non-feedback
carburetor or fuel injection system. Check for modified emission-
related components unacceptable for use on pollution-controlled
vehicles.
AIR INJECTION SYSTEM (AIS)
Air Pump Injection System (AP)
The air pump is a belt-driven vane type pump, mounted to
engine in combination with other accessories. The air pump itself
consists of the pump housing, an inner air cavity, a rotor and a vane
assembly. As the vanes turn in the housing, filtered air is drawn in
through the intake port and pushed out through the exhaust port. See
Fig. 13 .
Check for missing or disconnected belt, check valve(s),
diverter valve(s), air distribution manifolds, etc. Check air
injection system for proper hose routing.
Fig. 13: Typical Air Pump Injection System
Courtesy of General Motors Corp.
Pulsed Secondary Air Injection (PAIR) System
PAIR eliminates the need for an air pump and most of the
associated hardware. Most systems consists of air delivery pipe(s),
pulse valve(s) and check valve(s). The check valve prevents exhaust
gases from entering the air injection system. See Fig. 14.
Ensure required check valve(s), diverter valve(s), air
distribution manifolds, etc., are present. Check air injection system
for proper hose routing.
Page 633 of 1691
Fig. 2: Identifying Retainer Type Fuel Line Disconnect Fittings
Courtesy of Chrysler Corp.
ENGINE
Removal (Ram Van/Wagon)
1) Release fuel pressure. See FUEL PRESSURE RELEASE.
Disconnect negative battery cable. Drain cooling system and engine
oil. Remove and discard oil filter.
2) Remove engine cover, air cleaner and oil dipstick.
Discharge A/C system (if equipped) using approved refrigerant
recovery/recycling equipment. Disconnect A/C lines at condenser, and
plug openings. Remove A/C compressor. Disconnect fan shroud.
3) Remove front bumper, grille and support brace. Disconnect
coolant hoses. Remove radiator, condenser and support as an assembly.
4) Remove upper fan shroud. Remove power steering pump with
hoses attached, and set aside. Remove air pump, spark plug wires and
distributor cap. Disconnect necessary electrical wiring, coolant hoses
and vacuum hoses. Disconnect fuel lines. See FUEL LINE DISCONNECT
Page 704 of 1691
* E N G IN E S YSTE M S U NIF O RM IN SPEC TIO N G UID ELIN ES *
1 999 D odge P ic ku p R 1500
GENERAL INFORMATION
Engine Performance and Maintenance Motorist Assurance Program
Standards For Automotive Repair
All Makes and Models
INTRODUCTION TO MOTORIST ASSURANCE PROGRAM (MAP)
CONTENTS
Motorist Assurance Program (MAP)
OVERVIEW OF MOTORIST ASSURANCE PROGRAM
OVERVIEW OF SERVICE REQUIREMENTS AND SUGGESTIONS
Engine Assemblies
CYLINDER HEAD ASSEMBLIES
LONG BLOCK ASSEMBLIES
SHORT BLOCK ASSEMBLIES
Engine Components
ACCELERATOR PEDAL POSITION SENSORS
ACCESSORY BELTS
ACCESSORY PULLEYS
ACTUATORS
AIR CONDITIONING CYCLING SWITCHES
AIR CONDITIONING PRESSURE SENSORS
AIR DUCTS AND TUBES
AIR FILTER ELEMENTS
AIR FILTER GASKETS
AIR FILTER HOUSINGS AND GASKETS
AIR FUEL RATIO SENSORS
AIR INJECTION CONTROL SOLENOIDS
AIR PLENUMS
AIR PUMP BELTS
AIR PUMPS (ELECTRIC-DRIVEN)
AIR TUBES
ASPIRATOR, CHECK AND DECEL VALVES
BAFFLES
BALLAST PRIMARY SUPPLY RESISTOR WIRES
BALLAST RESISTORS AND PRIMARY SUPPLY RESISTOR WIRES
BAROMETRIC PRESSURE SENSORS
BATTERIES
BATTERY CABLES, WIRES AND CONNECTORS
BATTERY CONNECTORS
BATTERY TRAYS AND HOLD DOWN HARDWARE
BATTERY WIRES
BELT-DRIVEN AIR PUMPS
BELT IDLER ASSEMBLIES (ACCESSORY AND CAM BELTS)
BELT TENSIONERS (ACCESSORY AND CAM BELTS)
BOOST CONTROL MECHANISMS
CAMSHAFT POSITION SENSORS
CARBURETORS AND CHOKES
CASTING CORE PLUGS AND EXPANSION PLUGS
CHARGE AIR COOLERS "INTERCOOLERS" (CAC)
CHECK VALVES
CHOKES
Page 705 of 1691
CLUTCH PEDAL POSITION SWITCHES
COLD START INJECTORS
CONNECTORS
COOLANT
COOLANT RECOVERY TANKS
COOLING FAN MOTOR MODULES
COOLING FAN MOTOR RELAYS AND MODULES
COOLING FAN MOTOR RESISTORS
COOLING FAN MOTOR SENSORS AND SWITCHES
COOLING FAN MOTOR SWITCHES
COOLING FAN MOTORS
CRANKSHAFT POSITION SENSORS
DECEL VALVES
DEFLECTORS
DIP STICKS AND TUBES
DIP STICK TUBES
DISTRIBUTOR ADVANCES AND RETARDERS (MECHANICAL AND VACUUM)
DISTRIBUTOR BOOTS AND SHIELDS
DISTRIBUTOR CAPS
DISTRIBUTOR RETARDERS (MECHANICAL AND VACUUM)
DISTRIBUTOR ROTORS
DISTRIBUTOR SHIELDS
DISTRIBUTORS
EARLY FUEL EVAPORATION VALVES (HEAT RISER ASSEMBLIES)
EGR COOLERS
EGR EXHAUST MANIFOLD PASSAGES
EGR INTAKE AND EXHAUST MANIFOLD PASSAGES
EGR PLATES AND COOLERS
ELECTRONIC SPARK CONTROL MODULES
ELECTRONIC TRANSMISSION CONTROL DEVICES
ELECTRONIC TRANSMISSION FEEDBACK DEVICES
ENGINE COOLANT TEMPERATURE SENSORS
ENGINE COOLING SYSTEMS
ENGINE COVERS (OIL PAN, VALVE COVER, TIMING COVER)
ENGINE OIL
ENGINE OIL CANISTERS
ENGINE OIL COOLERS (EXTERNAL)
ENGINE OIL DRAIN PLUGS AND GASKETS
ENGINE OIL FILTERS AND CANISTERS
ENGINE OIL GASKETS
ENGINE OIL PRESSURE GAUGES (MECHANICAL)
EVAPORATIVE EMISSION (EVAP) CANISTER FILTERS
EVAPORATIVE EMISSION (EVAP) CANISTER PURGE DEVICES
EVAPORATIVE EMISSION (EVAP) CANISTERS
EVAPORATIVE EMISSION (EVAP) FEEDBACK DEVICES
EXHAUST GAS RECIRCULATION DEVICES
EXHAUST GAS RECIRCULATION FEEDBACK DEVICES
EXPANSION PLUGS
FAN CONTROL SENSORS
FUEL
FUEL ACCUMULATORS AND DAMPERS
FUEL AND COLD START INJECTORS
FUEL DAMPERS
FUEL DELIVERY CHECK VALVES
FUEL DISTRIBUTORS (BOSCH CIS)
FUEL FILLER NECKS AND RESTRICTORS
FUEL FILTERS
FUEL INJECTORS
FUEL LEVEL SENDERS7
FUEL PRESSURE REGULATORS
FUEL PUMPS (IN-TANK AND EXTERNAL, ELECTRICAL OR MECHANICAL)
FUEL RAILS
FUEL RESTRICTORS
Page 716 of 1691
Attaching hardware
broken ................. A ... Require repair or replacement
of hardware.
Attaching hardware
missing ................ C .......... Require replacement of
hardware.
Attaching hardware not
functioning ............ A ... Require repair or replacement
of hardware.
Leaking ................. A .. Require repair or replacement.
Missing ................. C ............ Require replacement.
Restricted, affecting
performance ............ A .. Require repair or replacement.
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AIR FILTER ELEMENTS
AIR FILTER ELEMENT INSPECTION \
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Condition Code Procedure
Leaking ................. A ............ Require replacement.
Paper filter element
oil-soaked ............ A ........ ( 1) Require replacement.
Maintenance intervals ... 3 ... Suggest replacement to comply
with vehicle's OEM recommended
service intervals.
Melted .................. A ........... Required replacement.
Missing ................. C ............ Require replacement.
Restricted, affecting
performance ............ A ............ Require replacement.
Water-contaminated ...... A ........ ( 1) Require replacement.
( 1) - Further inspection required to determine cause.
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AIR FILTER GASKETS
See AIR FILTER HOUSINGS AND GASKETS .
AIR FILTER HOUSINGS AND GASKETS
AIR FILTER HOUSING AND GASKET INSPECTION \
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Condition Code Procedure
Attaching hardware
broken ................. A ... Require repair or replacement
of hardware.
Attaching hardware
missing ................ C .......... Require replacement of
hardware.
Attaching hardware not
functioning ............ A ... Require repair or replacement
of hardware.
Leaking ................. A .. Require repair or replacement.
Missing ................. C ............ Require replacement.
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AIR FUEL RATIO SENSORS
Page 745 of 1691
(1) - Determine cause and correct prior to repair or
replacement of part.
( 2) - Determine source of contamination, such as engine
coolant, fuel, metal particles, or water. Require
repair or replacement.
( 3) - Inoperative includes intermittent operation or out of
OEM specification. Some components may be serviceable;
check for accepted cleaning procedure.
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ENGINE COOLING SYSTEMS
NOTE: Overheating, poor engine performance, and insufficient
cabin heat can be affected by, but are not limited to,
all of the components in the engine cooling system.
ENGINE COVERS (OIL PAN, VALVE COVER, TIMING COVER)
ENGINE COVER (OIL PAN, VALVE COVER, TIMING COVER) INSPECTION \
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Condition Code Procedure
Attaching hardware
incorrect .............. B ............ Require replacement.
Attaching hardware
loose .................. A .. Require repair or replacement.
Attaching hardware
missing ................ C ............ Require replacement.
Baffle loose ............ 2 .. Suggest repair or replacement.
Baffle missing .......... C ............ Require replacement.
Bent, affecting
performance ............ A .. Require repair or replacement.
Bent, not affecting
performance ............ .. ....... No service suggested or
required.
Cracked (not leaking) ... 2 .. Suggest repair or replacement.
Leaking externally ...... A .. Require repair or replacement.
Leaking internally,
causing fluid
contamination .......... A .. Require repair or replacement.
Missing ................. C ............ Require replacement.
Restricted passage ...... A .. Require repair or replacement.
Threads damaged ......... A .. Require repair or replacement.
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ENGINE OIL
ENGINE OIL INSPECTION \
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Condition Code Procedure
Contaminated ............ A .. ( 1) Require replacement of oil
and filter.
Level high .............. B ... Determine source of incorrect
level and require repair.
Level low ............... B ... Determine source of incorrect
level and require repair.
Maintenance intervals ... 3 ... Suggest replacement to comply
with vehicle's OEM recommended
service intervals.
( 1) - Determine source of contamination, such as engine coolant,
fuel, metal particles, or water when changing oil. Require