air DODGE NEON 2000 Service Manual PDF

(3) Install power steering pump and A/C compres-
sor drive belt.
AUTOMATIC BELT TENSIONER & PULLEY
The automatic belt tensioner (Fig. 37) maintains
proper tension on the power steering and air condi-
tioning belt. The tensioner is serviced with the
engine mount bracket assembly. The tensioner pulley
can be serviced.
NOTE: Slight axial movement of the tensioner arm
is normal. Tensioner arm should move freely and
maintain 50±70 lb. tension on belt.
REMOVAL
(1) Remove engine mount bracket assembly. Refer
to Group 9, Engine for procedure.
(2) Remove tensioner pulley mounting bolt.
(3) Remove pulley.
INSTALLATION
(1) Install tensioner pulley and bolt. Tighten bolt
to 27 N´m (20 ft. lbs.).
(2) Install engine mount bracket assembly. Refer
to Group 9, Engine for procedure.
DISASSEMBLY AND ASSEMBLY
COOLING FAN MODULE
The cooling fan module consist of the following
three components: fan, fan motor, and shroud.
Fig. 35 Belt Length Indicator Marks
1 ± AUTOMATIC BELT TENSIONER
2 ± BELT LENGTH INDICATOR
3 ± MAXIMUM BELT LENGTH
4 ± NOMINAL BELT LENGTH
5 ± MINIMUM BELT LENGTH
Fig. 36 Generator Belt Adjustment
1 ± ADJUSTING BOLT
2 ± LOCKING NUT
3 ± PIVOT BOLT
BELT TENSION CHART
Accessory
Drive BeltBelt Tension Belt Deflection
at Center Span*
Power Steering
Pump and A/C
CompressorDynamic Tensioner
GeneratorNew 135 lb. 4.5 mm (0.18 in.)
Used 100 lb. 5.5 mm (0.22 in.)
* Belt deflection is measured at the center of the belt
span with 4.5 kg (10 lb.) force.
7 - 26 COOLING SYSTEMPL
REMOVAL AND INSTALLATION (Continued)

FAN
There are no repairs to be made to the fan. If the
fan is warped, cracked, or otherwise damaged, it
must be replace withonlythe recommended part for
adequate strength, performance and safety.
REMOVAL
(1) Remove cooling fan module. Refer to procedure
in this section.
(2) Remove fan hub retaining nut (Fig. 38).
(3) Remove fan from motor shaft.
INSTALLATION
(1) Install fan on motor shaft.
(2) Install fan retaining nut and tighten to 3.8
N´m (34 in. lbs.) (Fig. 38).
(3) Install cooling fan module. Refer to procedure
in this section.
FAN MOTOR
REMOVAL
(1) Remove cooling fan module. Refer to procedure
in this section.
(2) Remove fan from motor shaft.
(3) Remove screw attaching the in-rush current
suppressor (Fig. 39).
(4) Remove screws attaching motor to shroud (Fig.
39).
(5) Remove fan motor.INSTALLATION
(1) Install fan motor on shroud and tighten screws
to 3.8 N´m (34 in. lbs.) (Fig. 39).
(2) Install screw attaching the in-rush current sup-
pressor and tighten to 2.6 N´m (23 in. lbs.) (Fig. 39).
(3) Install fan on motor shaft.
(4) Install cooling fan module. Refer to procedure
in this section.
Fig. 37 Automatic Belt Tensioner
1 ± GENERATOR BELT
2 ± AUTOMATIC BELT TENSIONER
3 ± POWER STEERING PUMP/A/C COMPRESSOR BELT
Fig. 38 FanÐRemoval and Installation
1±FAN
2 ± NUT
3 ± SHROUD ASSEMBLY
Fig. 39 Fan MotorÐRemoval and Installation
1 ± FAN MOTOR SCREWS
2 ± IN RUSH CURRENT SUPPRESSOR SCREW
PLCOOLING SYSTEM 7 - 27
DISASSEMBLY AND ASSEMBLY (Continued)

SHROUD
REMOVAL
(1) Remove cooling fan module. Refer to procedure
in this section.
(2) Remove fan and fan motor as previously
described.
INSTALLATION
(1) Install fan motor and fan as previously
described.
(2) Install cooling fan module. Refer to procedure
in this section.
CLEANING AND INSPECTION
WATER PUMP
Replace water pump body assembly if it has any of
these defects:
(1) Cracks or damage on the body.
(2) Coolant leaks from the shaft seal, evident by
coolant traces on the pump body.
(3) Loose or rough turning bearing.
(4) Impeller rubs either the pump body or the
engine block.
(5) Impeller loose or damaged.
(6) Sprocket or sprocket flange loose or damaged.
ACCESSORY DRIVE BELT INSPECTION
Belt replacement under any or all of the following
conditions is required, excessive wear, frayed cords or
severe glazing.
Poly-V Belt system may develop minor cracks
across the ribbed side. These minor cracks are con-
sidered normal and acceptable. Cracks parallel are
not (Fig. 40).
NOTE: Do not use any type of belt dressing or
restorer on Poly-V Belts.
COOLING SYSTEM CAP
Hold the cap in your hand,right side up(Fig. 41).
The vent valve at the bottom of the cap should open
with a slight pull. If the rubber gasket has swollen,
preventing the valve from opening, replace the cap.
If any light can be seen between vent valve and
the rubber gasket, replace the cap.Use only a
replacement cap that has a spring to hold the
vent shut.
A replacement cap must be of the type designed for
coolant reserve systems. This design ensures system
pressurization.
COOLING SYSTEM CLEANING
(1) Drain cooling system. Refer to Cooling System
Draining in this section for procedure.
(2) Refill with clean water. Refer to Cooling Sys-
tem Refilling in this section for procedure.
(3) Run engine with radiator cap installed until
upper radiator hose is hot.
(4) Stop engine and drain water from system. If
water is dirty, fill, run and drain the system again
until water runs clear.
RADIATOR FLUSHING
(1) Drain cooling system. Refer to Cooling System
Draining in this section for procedure.
(2) Remove radiator hoses from engine.
(3) Install suitable flushing gun in radiator lower
hose.
(4) Fill radiator with clean water and turn on air
in short blasts.
CAUTION: Internal radiator pressure must not
exceed 138 kPa (20 psi) as damage to radiator may
result. Continue this procedure until water runs
clear.
ENGINE FLUSHING
(1) Drain radiator. Refer to Cooling System Drain-
ing in this section for procedure.
(2) Remove hoses from radiator.
Fig. 40 Drive Belt Wear Pattern
1 ± NORMAL CRACKS BELT OK
2 ± NOT NORMAL CRACKS REPLACE BELT
7 - 28 COOLING SYSTEMPL
DISASSEMBLY AND ASSEMBLY (Continued)

(3) Remove engine thermostat and reinstall ther-
mostat housing. A gasket may be needed to seal thehousing to cylinder head because the seal is part of
thermostat.
(4) Install suitable flushing gun to thermostat
housing hose. Turn on water, and when engine is
filled, turn on air, but no higher than 138 kPa (20
psi) in short blasts. Allow engine to fill between
blasts of air. Continue this procedure until water
runs clean.
(5) Install thermostat and fill cooling system.
Refer to Cooling System Refilling in this section for
procedure.
REVERSE FLUSHING
Reverse flushing of the cooling system is the forc-
ing of water through the cooling system, using air
pressure in a direction opposite to that of the normal
flow of water. This is only necessary with dirty sys-
tems and evidence of partial plugging.
CHEMICAL CLEANING
One type of corrosion encountered with aluminum
cylinder heads is aluminum hydroxide deposits. Cor-
rosion products are carried to the radiator and depos-
ited when cooled off. They appear as dark grey when
wet and white when dry. This corrosion can be
removed with a two part cleaner (oxalic acid and
neutralizer) available in auto parts outlets. Follow
manufacturers directions for use.
ADJUSTMENTS
BELT TENSION
For belt tension adjustment procedure, refer to
Accessory Drive Belt Removal and Installation proce-
dure.
Fig. 41 Cooling System Pressure Cap
1 ± PRESSURE RATING
2 ± FILLER NECK SEAL
3 ± PRESSURE VALVE
4 ± VACUUM VENT VALVE (SHOWN IN SEALING POSITION)
PLCOOLING SYSTEM 7 - 29
CLEANING AND INSPECTION (Continued)

BATTERY
TABLE OF CONTENTS
page page
GENERAL INFORMATION
INTRODUCTION..........................1
DESCRIPTION AND OPERATION
BATTERY IGNITION OFF DRAW (IOD).........2
CHARGING TIME REQUIRED................2
DIAGNOSIS AND TESTING
BATTERY BUILT-IN TEST INDICATOR.........3
BATTERY IGNITION OFF DRAW (IOD).........4
BATTERY LOAD TEST......................6
BATTERY OPEN CIRCUIT VOLTAGE...........7
SERVICE PROCEDURES
BATTERY CHARGING......................7CHARGING COMPLETELY DISCHARGED
BATTERY..............................8
VISUAL INSPECTION......................9
REMOVAL AND INSTALLATION
BATTERY...............................10
BATTERY THERMOWRAP..................10
BATTERY TRAY..........................11
SPECIFICATIONS
BATTERY SPECIFICATIONS................11
TORQUE...............................11
GENERAL INFORMATION
INTRODUCTION
The battery (Fig. 1) stores, stabilizes, and delivers
electrical current to operate various electrical sys-
tems in the vehicle. The determination of whether a
battery is good or bad is made by its ability to accept
a charge. It also must supply high-amperage current
for a long enough period to be able to start the vehi-
cle. The capability of the battery to store electrical
current comes from a chemical reaction. This reac-
tion takes place between the sulfuric acid solution
(electrolyte) and the lead +/- plates in each cell of the
battery. As the battery discharges, the plates react
with the acid from the electrolyte. When the charging
system charges the battery, the water is converted to
sulfuric acid in the battery. The concentration of acid
in the electrolyte is measured as specific gravity
using a hydrometer. The original equipment (OE)
battery is equipped with a hydrometer (test indica-
tor) built into the battery cover. The specific gravity
indicates the battery's state-of-charge. The OE bat-
tery is sealed and water cannot be added.
The battery is vented to release gases that are cre-
ated when the battery is being charged and discharged.
The battery top, posts, and terminals should be cleaned
when other under hood maintenance is performed.
When the electrolyte level is below the top of the
plates, Yellow/Clear in the test Indicator, the battery
must be replaced. The battery must be completely
charged, and the battery top, posts, and cable clamps
must be cleaned before diagnostic procedures are per-
formed.
Fig. 1 Battery Location
1 ± BATTERY
2 ± LEFT STRUT TOWER
3 ± PDC
4 ± THROTTLE BODY
5 ± AIR CLEANER HOUSING
PLBATTERY 8A - 1

be checked. To determine if a high current draw con-
dition exists first check the vehicle with a test lamp.
(1) Verify that all electrical accessories are OFF.
²Remove key from ignition switch
²Turn off all lights
²Trunk lid is closed
²Engine compartment hood lamp is disconnected
or lamp removed
²Map lamp on rear view mirror
²Glove box door is closed
²Sun visor vanity lights are OFF
²All doors are closed
²Allow the ignition key lamp system to time out
in approximately 30 seconds, if equipped.
(2) Disconnect battery negative cable (Fig. 5).
(3) Connect a 12 Volt test lamp, with a cold resis-
tance of 5-7 ohms, between the battery negative cable
clamp and the negative post (Fig. 6). If test lamp
goes out system is OK. If test lamp lights and stays
ON, go to Test Lamp Stays ON procedure.
TEST LAMP STAYS ON
There is either a short circuit or a fault in an elec-
tronic module. Two fuses in the Power Distribution
Center (PDC) feed the modules with ignition off
draw.
²Interior lamps fuse (10 Amp) (IOD) PDC
²Fuel pump fuse (20 Amp) in PDC.
(1) Remove interior lamp and fuel pump fuses. By
removing these fuses all ignition off draw from thevehicle electronics will be disconnected. The test
lamp should go out. If test lamp goes out go to Step
2. If test lamp does not go out there is a current
draw or short circuit. Refer to Group 8W, Wiring Dia-
grams.
(2) Install the fuel pump fuse. If test lamp lights,
there is a current draw or short circuit in the A14
wiring circuit feed.
(a) Disconnect Powertrain Control Module.
(b) If test lamp goes out, replace Powertrain
Control Module.
(c) If test lamp does not go out, there is a cur-
rent draw or short circuit in the A14 circuit feed.
Refer to Group 8W, Wiring Diagrams.
(3) Install the interior lamp fuse. If test lamp
lights, there is a current draw or short circuit in the
M01 circuit. Refer to Group 8W, Wiring Diagrams. If
test lamp stays out, go to Step 4.
(4) Use a multi-meter that has at least a range of
200 milliamperes. Install meter between the battery
negative cable and battery negative post (Fig. 7).
Carefully remove the test lamp without disconnecting
the meter. After all modules time-out the total vehi-
cle IOD should be less than 10 milliamperes. If igni-
tion off draw is more than 10 milliamperes go to Step
5.
(5) Remove both fuses from the Power Distribution
Center:
²Fuel pump fuse (20 Amp)
²Interior lamps fuse (10 Amp)
(6) If there is any reading with fuses removed
there is a current draw or short circuit in the wiring.
Fig. 5 Disconnect and Isolate Battery Negative
Cable
1 ± NEGATIVE CABLE
2 ± NEGATIVE BATTERY POST
Fig. 6 Ignition OFF (IOD) Test
1 ± NEGATIVE TERMINAL
2 ± 12 VOLT TEST LIGHT
3 ± PDC
4 ± AIR CLEANER HOUSING
5 ± NEGATIVE BATTERY POST
PLBATTERY 8A - 5
DIAGNOSIS AND TESTING (Continued)

Refer to Group 8W, Wiring Diagrams. If OK go to
Step 7.
(7) Install interior lamp fuse. After installing fuse,
the current can reach 250 milliamperes. After time-
out the reading should not exceed 8 milliamperes. If
NOT OK go to Step 8. If OK go to Step 9.
²Ignition key lamp system
²Radio
²Remote keyless entry module, if equipped
(8) Disconnect radio and ignition switch key lamp
one component at time, to see if any component is at
fault. If the high reading is not eliminated there is a
short circuit in the wiring. Refer to Group 8W, Wir-
ing Diagrams.
CAUTION: Always disconnect the meter before
opening a door.
(9) Remove interior lamps fuse and install the fuel
pump fuse. The reading should be between 1-3 milli-
amperes. If reading is higher than 3 milliamperes:
(a) Disconnect Powertrain Control Module.
(b) If reading drops to zero, replace Powertrain
Control Module.
(c) If reading remains the same there is a cur-
rent draw or short circuit in the A14 circuit. Refer
to Group 8W, Wiring Diagrams.
BATTERY LOAD TEST
A fully charged battery must have cranking capac-
ity, to provide the starter motor and ignition system
enough power to start the engine over a broad range
of ambient temperatures. A battery load test will ver-
ify the actual cranking capability of the battery.WARNING: IF BATTERY SHOWS SIGNS OF FREEZ-
ING, LEAKING, LOOSE POSTS, OR EXCESSIVELY
LOW ELECTROLYTE LEVEL, DO NOT TEST. ACID
BURNS OR AN EXPLOSIVE CONDITION MAY
RESULT.
(1) Remove both battery cables, negative cable
first. The battery top, cables and posts should be
clean. If green dot is not visible in indicator, charge
the battery. Refer to Battery Charging Procedures in
this group.
(2) Connect a Volt/Ammeter/Load tester to the bat-
tery posts (Fig. 8). Rotate the load control knob of the
Carbon pile rheostat to apply a 300 amp load. Apply
this load for 15 seconds to remove the surface charge
from the battery, and return the control knob to off
(Fig. 9).
(3) Allow the battery to stabilize for 2 minutes,
and then verify open circuit voltage.
Fig. 7 Milliampere Meter Connection
1 ± NEGATIVE TERMINAL
2 ± MILLIAMPERE METER
3 ± PDC
4 ± AIR CLEANER HOUSING
5 ± NEGATIVE BATTERY POST
Fig. 8 Volt-Ammeter Load Tester Connections -
Typical
1 ± INDUCTION AMPMETER CLAMP
2 ± NEGATIVE CLAMP
3 ± POSITIVE CLAMP
Fig. 9 Remove Surface Charge From Battery
8A - 6 BATTERYPL
DIAGNOSIS AND TESTING (Continued)

REMOVAL AND INSTALLATION
BATTERY
REMOVAL
WARNING: TO PROTECT THE HANDS FROM BAT-
TERY ACID, A SUITABLE PAIR OF HEAVY DUTY RUB-
BER GLOVES, NOT THE HOUSEHOLD TYPE, SHOULD
BE WORN WHEN REMOVING OR SERVICING A BAT-
TERY. SAFETY GLASSES ALSO SHOULD BE WORN.
(1) Make sure ignition switch is in OFF position
and all accessories are OFF.
(2) Open hood.
(3) Disconnect and isolate the battery negative
cable then the positive cable (Fig. 16).
(4) Remove thermowrap from battery.
(5) Loosen bolt and retainer that holds the battery
down to the tray.
(6) Lift battery out of battery tray and remove
from vehicle.
INSTALLATION
When replacing battery, the Thermowrap MUST be
transferred to the new battery. Refer to Battery Ther-
mowrap Removal and Installation in this section.
(1) Install battery in vehicle making sure that the
thermowrap is present and battery is properly posi-
tioned on battery tray.(2) Install battery hold down clamp, making sure
that it is properly positioned on battery.
(3)
Connect battery cable clamps to battery posts and
making sure top of clamp is flush or below with top of
post (Fig. 16). Install battery positive cable first.
(4) Tighten clamp nuts securely.
BATTERY THERMOWRAP
REMOVAL
(1) Open hood.
(2) Disconnect and isolate the battery negative
cable then the positive cable (Fig. 16).
(3) Carefully lift the thermowrap off over the bat-
tery (Fig. 17) taking care not to rip it.
Fig. 16 Disconnect and Isolate the
Battery Negative Cable
1 ± NEGATIVE CABLE
2 ± NEGATIVE BATTERY POST
Fig. 17 Battery Thermowrap
1 ± BATTERY THERMOWRAP
2 ± BATTERY
8A - 10 BATTERYPL

(4) Remove the thermowrap from vehicle.
INSTALLATION
For installation, reverse the above procedures.
BATTERY TRAY
REMOVAL
(1) Remove battery. Refer to Battery Removal and
Installation in this section.
(2) Remove two nuts to the rear and two bolts to
the front of the battery tray (Fig. 18).
(3) Slide battery tray out form under the air
cleaner assembly. Do not remove the air cleaner
assembly.
(4) Remove battery tray from vehicle.
INSTALLATION
For installation reverse the above procedures.
SPECIFICATIONS
BATTERY SPECIFICATIONS
COLD CRANK RATING
The current battery can deliver for 30 seconds and
maintain a terminal voltage of 7.2 volts or greater at
±18É C (0É F).
RESERVE CAPACITY RATING
The length of time a battery can deliver 25 amps
and maintain a minimum terminal voltage of 10.5
volts at 27ÉC (80ÉF).TORQUE
DESCRIPTION TORQUE
Battery Hold Down Bolt Clamp Bolt . . 135615 in.
lbs.
Battery Mount Fasteners....... 105610 in. lbs.
Fig. 18 Battery Tray Removal
1 ± BATTERY TRAY
2 ± LEFT STRUT TOWER
3 ± PDC
4 ± MOUNTING HOLES/SLOTS
5 ± COOLANT RESERVOIR
Load Test Cold
CrankingReserve
(Amps) Rating @
-18ÉC (0ÉF)Capacity
225 Amp 450 Amp 85 Minutes
PLBATTERY 8A - 11
REMOVAL AND INSTALLATION (Continued)

STARTER RELAY PIN CALL-OUT
PIN CIRCUIT COLOR DESCRIPTION
1 (86) A041 YL IGNITION SWITCH OUTPUT (START)
2 (85) K090 TN PCM
3 (30) A001 RD FUSED B+
4 (87A) NOT USED
5 (87) T040 BR STARTER SOLENOID
RELAY CIRCUIT TEST
(1) The relay common feed terminal cavity (30) is
connected to battery voltage and should be hot at all
times. If OK, go to Step 2. If not OK, repair the open
circuit to the PDC fuse as required.
(2) The relay normally closed terminal (87A) is
connected to terminal 30 in the de-energized position,
but is not used for this application. Go to Step 3.
(3) The relay normally open terminal (87) is con-
nected to the common feed terminal (30) in the ener-
gized position. This terminal supplies battery voltage
to the starter solenoid field coils. There should be
continuity between the cavity for relay terminal 87
and the starter solenoid terminal at all times. If OK,
go to Step 4. If not OK, repair the open circuit to the
starter solenoid as required.
(4) The coil battery terminal (86) is connected to
the electromagnet in the relay. It is energized when
the ignition switch is held in the START position. On
vehicles with a manual transmission, the clutch
pedal must be fully depressed for this test. Check for
battery voltage at the cavity for relay terminal 86
with the ignition switch in the START position, and
no voltage when the ignition switch is released to the
ON position. If OK, go to Step 5. If not OK with an
automatic transmission, check for an open or short
circuit to the ignition switch and repair, if required.
If the circuit to the ignition switch is OK, see the
Ignition Switch Test procedure in this group. If not
OK with a manual transmission, check the circuit
between the relay and the clutch interlock/upstop
switch for an open or a short circuit. If the circuit is
OK, refer to the Clutch Interlock/Upstop Switch
Diagnosis and Testing in Group 6-Clutch.
(5) The coil ground terminal (85) is connected to
the electromagnet in the relay. It is grounded
through the PCM only when the gearshift selector
lever is in the Park or Neutral positions. On vehicles
with a manual transmission, it is grounded through
the PCM when the clutch pedal is depressed. Check
for continuity to ground at the cavity for relay termi-
nal 85. If not OK, check for an open or short circuit
to the park/neutral starting and back-up lamp
switch, or the clutch interlock/upstop switch. Repair,
as necessary. If the circuit is OK, refer to the Park/Neutral Starting and Back-Up Lamp Switch Removal
and Installation in Group 21-Transaxle. Testing is
located within the Removal and Installation proce-
dures.
SAFETY SWITCHES
For diagnosis of:
²Clutch Interlock/Upstop Switch, refer to Diagno-
sis and Testing in Group 6-Clutch.
²Park/Neutral Starting and Back-Up Lamp
Switch, refer to Removal and Installation in Group
21-Transaxle. Testing is located within the Removal
and Installation procedures.
IGNITION SWITCH
After testing starter solenoid and relay, test igni-
tion switch and wiring. Check all wiring for opens or
shorts, and all connectors for being loose or corroded.
Refer to Group 8D-Ignition Systems, or Group
8W-Wiring Diagrams.
BATTERY
Refer to Group 8A-Battery for Diagnosis and Test-
ing of the battery.
ALL RELATED WIRING AND CONNECTORS
Refer to Group 8W-Wiring Diagrams.
FEED CIRCUIT RESISTANCE
Before proceeding with this operation, review Diag-
nostic Preparation and Starter Feed Circuit Tests.
The following operation will require a voltmeter,
accurate to 1/10 of a volt.
CAUTION: Ignition system also must be disabled to
prevent engine start while performing the following
tests.
(1) To disable the ignition and fuel systems, dis-
connect the Automatic Shutdown (ASD) Relay. The
ASD relay is located in the Power Distribution Cen-
ter (PDC). Refer to the PDC cover for proper relay
location.
(2) With all wiring harnesses and components
properly connected, perform the following:
PLSTARTING SYSTEMS 8B - 3
DIAGNOSIS AND TESTING (Continued)