clock DODGE NEON 1999 Service Manual PDF

DETERMINING SHIM THICKNESS
Shim thickness need be determined only if any of
the following parts are replaced:
²Transaxle case
²Transfer shaft
²Transfer shaft gear
²Transfer shaft bearings
²Governor support retainer
²Transfer shaft bearing retainer
²Retainer snap ring
²Governor support
Refer to Bearing Adjustment Procedure in rear of
this section to determine proper shim thickness.STIRRUP AND STRAP INSTALLATION
Once bearing shim selection has been adjusted,
install stirrup and strap assembly onto transfer gear.
NOTE: Once the stirrup assembly is positioned
onto the transfer gear, it is necessary to ªclockº the
stirrup against the flats of the transfer gear retain-
ing nut.
(1) Position the stirrup on the transfer gear.
(2) Position strap.
(3) Install retaining bolts into transfer gear. Fin-
ger±tighten bolts.
(4) Turn stirrup clockwise against the flats of the
transfer gear retaining nut.
(5) Tighten retaining bolts to 23 N´m (200 in. lbs.).
(6) Bend tabs of strap up against ªflatsºof retain-
ing bolts.
ASSEMBLY
To install transfer shaft, reverse the above proce-
dure.
Fig. 137 Install Transfer Shaft Bearing Cup
Fig. 138 Tighten Transfer Shaft Gear Retaining Nut
to 271 N´m (200 ft. lbs.)
Fig. 139 Checking Transfer Shaft End Play
21 - 88 TRANSAXLEPL
DISASSEMBLY AND ASSEMBLY (Continued)

STIRRUP AND RETAINING STRAP
INSTALLATION
Once bearing turning torque and shim selection
has been adjusted, install stirrup and strap assembly
onto output gear.
NOTE: Once the stirrup assembly is positioned
onto the output gear, it is necessary to ªclockº the
stirrup against the flats of the output gear retaining
nut.
(1) Position the stirrup on the output gear.
(2) Position strap.
(3) Install retaining bolts into output gear. Finger-
±tighten bolts.
(4) Turn stirrup clockwise against the flats of the
output gear retaining nut (Fig. 170).
(5) Tighten retaining bolts to 23 N´m (200 in. lbs.)
(Fig. 171).
(6) Bend tabs of strap up against ªflatsºof retain-
ing bolts.
Fig. 166 Holding Output Shaft Gear
Fig. 167 Tighten Output Shaft Retaining Nut to 271
N´m (200 ft. lbs.)
Fig. 168 Checking Output Shaft End Play
Fig. 169 Checking Bearing Turning Torque
Fig. 170 Turn Stirrup Clockwise Against Flats Of
Retaining Nut
21 - 94 TRANSAXLEPL
DISASSEMBLY AND ASSEMBLY (Continued)

ADJUSTMENT
(1) Set parking brake.
(2) Remove floor console. Refer to Group 23, Body.
(3) Place gearshift lever in the (PARK) (P) posi-
tion.
(4) Push down on the tab and unsnap the collar at
the shifter cable to allow the cable to be adjusted
(Fig. 196).
(5) Move the gearshift lever on the transaxle to
the PARKposition.
(6) Verify the shift lever and transaxle are in the
PARK position. Rotate collar on the shift cable
adjuster end up until it seats against the plastic
housing. NOTE: If the collar will not rotate to the
fully detented lock position, rotate the collar back to
its initial unlocked position. Position the ATX in the
gated PARK position. Apply a slight load to the shift
lever, fore or aft in vehicle, while simultaneously
rotating the collar upward to the LOCK position. The
collar must seat against the plastic housing to
achieve the required detented lock position. The gear-
shift linkage should now be properly adjusted.
Check adjustment as follows:
(7) Detent position for NEUTRAL and DRIVE
should be within limits of hand lever gate stops.
(8) Key start must occur only when the shift lever
is in PARK or NEUTRAL positions.
THROTTLE PRESSURE CABLE ADJUSTMENT
PROCEDURE
The throttle pressure cable adjustment is very
important to proper transaxle operation. This adjust-
ment positions a valve which controls shift speed,
shift quality, and part throttle downshift sensitivity.
If the setting is too long, early shifts and slippage
between shifts may occur. If the setting is too short,
shifts may be delayed and part throttle downshifts
may be very sensitive.(1) Perform transaxle throttle pressure cable
adjustment while engine is at normal operating tem-
perature.
(2) Release cross-lock on the cable assembly (pull
cross-lock upward) see (Fig. 197).
(3) To ensure proper adjustment, the cable must be
free to slide all the way toward the engine, against
its stop, after the cross-lock is released.
(4) Move transaxle throttle control lever fully
clockwise, against its internal stop, and press cross-
lock downward into locked position.
The adjustment is complete and transaxle throttle
cable backlash was automatically removed.
Test cable freedom of operation by moving the
transaxle throttle lever forward (counterclockwise).
Then slowly release it to confirm it will return fully
rearward (clockwise).
No lubrication is required for any component of the
throttle cable system.
SHIFTER/IGNITION INTERLOCK SYSTEM
If ignition switch cannot be turned to the LOCK
position, with shifter in PARK, an adjustment of the
Interlock System may be required. To adjust Shifter/
Ignition Interlock System, follow procedure listed
below.
(1) Disconnect and isolate, the battery negative (-)
cable from the vehicle battery.
(2) Remove console assembly. Refer to Group 23,
Body.
(3) Remove the gearshift knob set screw and knob.
(4) Remove the screws retaining the gearshift indi-
cator bezel and remove bezel and indicator lamp.
(5) Reinstall the gearshift knob.
(6) Place shifter in PARK.
(7) Turn ignition switch to the LOCK or ACCES-
SORY position. If cable has lost its adjustment, man-
ually position cable to get key into LOCK or
ACCESSORY position. Grasp slug on interlock cable
Fig. 196 Gearshift Cable Adjustment
Fig. 197 Throttle Pressure Cable Adjuster Lock
21 - 100 TRANSAXLEPL
ADJUSTMENTS (Continued)

with needle±nose pliers and pull back on cable. This
will allow the ignition switch to be turned to the
LOCK or ACCESSORY position.
(8) Check that the interlock cable slug is com-
pletely seated into the shifter interlock lever.
(9) Check that the ignition switch is still in the
LOCK or ACCESSORY position.
(10) Pry up the adjuster lock on the shifter/igni-
tion interlock cable (Fig. 198).
(11) The spring on the interlock cable should auto-
matically compensate for the slack in the adjuster.
(12) Then snap down the interlock adjuster lock
onto cable.
(13) After adjusting the interlock system, perform
the interlock system operation check. See Interlock
System Operation Check in this section.
BAND ADJUSTMENT
KICKDOWN BAND (FRONT)
The kickdown band adjusting screw is located on
left side (top front) of the transaxle case.
(1) Loosen locknut and back±off nut approximately
five turns. Test adjusting screw for free turning in
the transaxle case.
(2) Using wrench, tighten adjusting screw to 8
N´m (72 in. lbs.).
(3) Back±off adjusting screw the number of turns
listed in Specifications. Hold adjusting screw in this
position and tighten locknut to 47 N´m (35ft. lbs.)
LOW/REVERSE BAND (REAR)
To adjust low/reverse band, proceed as follows:
(1) Loosen and back off locknut approximately five
turns.
(2) Using an inch-pound torque wrench, tighten
adjusting screw to 5 N´m (41 in. lbs.) true torque.(3) Back±off adjusting screw the number of turns
listed under Specifications. A chart is located at the
rear of this section.
(4) Tighten locknut to 14 N´m (10 ft. lbs.).
HYDRAULIC CONTROL PRESSURE ADJUSTMENTS
LINE PRESSURE
An incorrect throttle pressure setting will cause
incorrect line pressure readings even though line
pressure adjustment is correct. Always inspect and
correct throttle pressure adjustment before adjusting
the line pressure.
The approximate adjustment for line pressure is
1-5/16 inches, measured from valve body to inner
edge of adjusting nut. However, due to manufactur-
ing tolerances, the adjustment can be varied to
obtain specified line pressure.
The adjusting screw may be turned with an Allen
wrench. One complete turn of adjusting screw
changes closed throttle line pressure approximately
1-2/3 psi. Turning adjusting screw counterclockwise
increases pressure, and clockwise decreases pressure.
THROTTLE PRESSURE
Throttle pressures cannot be tested accurately;
therefore, the adjustment should be measured if a
malfunction is evident.
(1) Insert gauge pin of Tool C-3763 between the
throttle lever cam and kickdown valve.
(2) By pushing in on tool, compress kickdown
valve against its spring so throttle valve is com-
pletely bottomed inside the valve body.
(3) While compressing spring, turn throttle lever
stop screw with adapter C-4553. Turn until head of
screw touches throttle lever tang, with throttle lever
cam touching tool and throttle valve bottomed. Be
sure adjustment is made with spring fully com-
pressed and valve bottomed in the valve body.
BEARING ADJUSTMENT PROCEDURES
(1) Take extreme care when removing and install-
ing bearing cups and cones.Use only an arbor
press for installation, as a hammer may not
properly align the bearing cup or cone.Burrs or
nicks on the bearing seat will give a false end play
reading, while gauging for proper shims. Improperly
seated bearing cup and cones are subject to low-mile-
age failure.
(2) Bearing cups and cones should be replaced if
they show signs of pitting or heat distress.
(3) If distress is seen on either the cup or bearing
rollers, both cup and cone must be replaced.
NOTE: Bearing end play and drag torque specifica-
tions must be maintained to avoid premature bear-
ing failures.
Fig. 198 Interlock Cable Adjuster Lock
PLTRANSAXLE 21 - 101
ADJUSTMENTS (Continued)

INSTALLATION
(1) Replace any damaged or missing push±in fas-
teners with original equipment push-in fasteners.
(2) Place trim panel near door.
(3) Engage wire connectors to power lock switch,
mirror switch, and power window switch, if equipped.
(4) Insert latch rod into inside latch release.
(5) Engage clip holding door latch linkage to back
of inside door handle.
(6) Engage trim panel into retainer channel at top
of door and push down to seat.
(7) Locate door trim panel to inner door panel by
aligning locating pins on backside of trim panel to
mating holes in inner door panel. Gently shift panel
forward or rearward if necessary.
(8) Engage hidden push±in fasteners holding trim
panel to door from around perimeter of trim panel.
(9) With the window in the down position, orien-
tate the window regulator crank handle appropri-
ately. Install the right handle at the 10 o'clock
position and the left handle at the 2 o'clock position,
if equipped.
(10) Install screw holding trim panel to door from
behind inside latch release handle.
(11) Install screw inside pull cup holding door trim
panel to bracket.
FRONT DOOR WATER SHIELD
REMOVAL
(1) Remove door trim panel.
(2) Remove Door speaker, if equipped.
(3) Remove door trim pull cup mount bracket.
(4) Disengage clip holding lock linkage to lock but-
ton bell crank.
(5) Peel water shield away from adhesive around
perimeter of inner door panel (Fig. 34).
INSTALLATION
(1) Insure that enough adhesive remains to
securely retain the watershield. Replace as necessary.
(2) Place the watershield into position and press
securely to adhesive making sure to properly route
wiring and linkages.
(3) Engage clip holding lock linkage to lock button
bell-crank.
(4) Install door trim pull cup mount bracket.
(5) Install door speaker, if equipped.
(6) Install door trim panel.
FRONT DOOR WEATHERSTRIP
REMOVAL
(1) Using a fork-type prying tool, disengage
push-in fasteners holding weatherstrip to door (Fig.
35).
(2) Separate weatherstrip from door.
INSTALLATION
Reverse the preceding operation.
Fig. 33 Door Trim Panel
Fig. 34 Water Shield
Fig. 35 Front Door Weatherstrip
23 - 16 BODYPL
REMOVAL AND INSTALLATION (Continued)

outlets in various combinations using the mode selec-
tor. There are 17 different mode selections possible.
Air flow velocity can be adjusted with the blower
speed selector switch on the instrument panel.
On A/C equipped vehicles the ambient air intake
can be controlled by opening and closing the recircu-
lating air door. When placed in RECIRC, air that is
inside vehicle is removed continuously and recircu-
lated through unit housing. Ambient air cannot be
controlled on vehicles without A/C. The system uses
outside air at all times.
The air conditioning compressor can be engaged by
turning the fan switch counterclockwise from the off
position. It can also be engaged by placing the mode
control in the defrost position. This will remove heat
and humidity from the air before it is directed
through or around the heater core.
SYSTEM OIL LEVEL
It is important to have the correct amount of oil in
the A/C system to ensure proper lubrication of the
compressor. Too little oil will result in damage to the
compressor. Too much oil will reduce the cooling
capacity of the system and consequently result in
higher discharge air temperatures.
NOTE: The oil used in the compressor is ND8 PAG
R-134a refrigerant oil. Only refrigerant oil of the
same type should be used to service the system.
Do not use any other oil. The oil container should
be kept tightly capped until it is ready for use.
Tightly cap afterwards to prevent contamination
from dirt and moisture. Refrigerant oil will quickly
absorb any moisture it comes in contact with. Spe-
cial effort must be used to keep all R-134a system
components moisture-free. Moisture in the oil is
very difficult to remove and will cause a reliability
problem with the compressor.
It will not be necessary to check oil level in the
compressor or to add oil unless there has been an oil
loss. Oil loss at a leak point will be evident by the
presence of a wet, shiny surface around the leak.
REFRIGERANT OIL LEVEL CHECK
When an air conditioning system is first assem-
bled, all components (except the compressor) are
refrigerant oil free. After the system has been
charged with R-134a refrigerant and operated, the oil
in the compressor is dispersed through the lines and
components. The evaporator, condenser, and filter-
drier will retain a significant amount of oil, refer to
the Refrigerant Oil Capacities chart. When a compo-
nent is replaced, the specified amount of refrigerant
oil must be added. When the compressor is replaced,
the amount of oil that is retained in the rest of the
system must be drained from the replacement com-pressor. When a line or component has ruptured and
oil has escaped, the compressor should be removed
and drained. The filter-drier must be replaced along
with the ruptured part. The oil capacity of the sys-
tem, minus the amount of oil still in the remaining
components, can be measured and poured into the
suction port of the compressor.
VACUUM CONTROL SYSTEM
The neon uses vacuum to operate only the circula-
tion door. All other controls are cable. When vacuum
is supplied to the actuator the door moves to the
Recirculation position. The actuator is spring loaded
so the door moves to the Outside-air position when
there is no vacuum supplied. The operation of the
door can be viewed by removing the blower motor
and looking up into the unit inlet.
Normally vacuum is supplied to the actuator by
placing the Circulation control knob in the Recircula-
tion position.If the Mode control is at or near the
Defrost position, vacuum will not be applied to
the actuator regardless of the position of the
Circulation control knob.This is to prevent win-
dow fogging.
DIAGNOSIS AND TESTING
A/C PERFORMANCE TEST
The air conditioning system is designed to remove
heat and humidity from the air entering the passen-
ger compartment. The evaporator, located in the
heater A/C unit, is cooled to temperatures near the
freezing point. As warm damp air passes over the
fins in the evaporator, moisture in the air condenses
to water, dehumidifying the air. Condensation on the
evaporator fins reduces the evaporators ability to
absorb heat. During periods of high heat and humid-
ity, an air conditioning system will be less effective.
With the instrument control set to RECIRC, only air
from the passenger compartment passes through the
evaporator. As the passenger compartment air dehu-
midifies, A/C performance levels rise.
PERFORMANCE TEST PROCEDURE
Review Safety Precautions and Warnings in this
group before proceeding with this procedure. Air tem-
REFRIGERANT OIL CAPACITIES
Component ml oz
Total System 200ml 6.75 oz
Filter-Drier 30 ml 1.0 oz
Condenser 30 ml 1.0 oz
Evaporator 59 ml 2.0 oz
All Refrigerant Lines 44 ml 1.5 oz
24 - 6 HEATING AND AIR CONDITIONINGPL
DESCRIPTION AND OPERATION (Continued)

If a thorough leak check has been completed with-
out indication of a leak, proceed to System Charge
Level.
REMOVAL AND INSTALLATION
A/C SERVICE PORT VALVE CORES
REMOVAL
(1) Remove the valve caps (Fig. 5) and (Fig. 6)
(2) Using a R-134a refrigerant recovery machine,
Remove the refrigerant from A/C system.
(3) Using a standard valve core tool, remove the
valve core.Be careful to prevent any dirt/debris
from entering the valve core opening or getting
on the replacement valve core.
INSTALLATION
(1) When assembling the new valve core into the
port, the core should be oiled with clean ND8 PAG
compressor oil.
CAUTION: A valve that is not fully seated can lead
to damage to the valve during evacuation and
charge. This can result in system refrigerant dis-
charge while uncoupling the charge adapters.
(2) Install valve core into port.
(3) Evacuate and charge the A/C system.
(4) Install the valve caps.
BLOWER MOTOR AND WHEEL ASSEMBLY
The blower motor is located on the bottom right
side of the unit housing. The blower motor can be
removed from the vehicle without having to remove
the unit housing assembly.
WITH AIR CONDITIONING
REMOVAL
(1) Remove right side scuff plate.
(2) Pull back carpet.
(3) Cut wheel housing silencer in line with blower
motor wiring.
(4) Disconnect blower motor wiring connector.
(5) RHD vehicle remove the motor cover.
(6) Remove three blower motor retaining screws
(Fig. 18).
(7) Lower blower motor assembly from unit hous-
ing.
INSTALLATION
For installation, reverse the above procedures.
Then tape silencer into position.
WITHOUT AIR CONDITIONING
REMOVAL
(1) Disconnect blower motor wiring connector.
(2) Grasp the blower motor while pulling down
tab. Turn approximately 1/8 turn counterclockwise
and remove blower motor assembly from unit hous-
ing (Fig. 19).
INSTALLATION
For installation, reverse the above procedures.
BLOWER MOTOR RESISTOR
CAUTION: Stay clear of the blower motor and resis-
tor block (Hot). Do not operate the blower motor
with the resistor block removed.
REMOVAL
(1) Remove windshield wipers.
(2) Remove cowl top screen.
(3) Disconnect the resistor block wiring connector.
Fig. 18 Blower Motor Retaining Screws
Fig. 19 Blower Motor Removal
24 - 18 HEATING AND AIR CONDITIONINGPL
SERVICE PROCEDURES (Continued)

(4) Remove two resistor block retaining screws.
The screw threads attaching the resistor block are
not full length. It is necessary to gently pry out the
resistor block while turning the screws counterclock-
wise enabling the threads to engages.
(5) Remove resistor block from vehicle.
INSTALLATION
For installation, reverse the above procedures.
BLOWER MOTOR WHEEL
The blower motor wheel is only serviced with the
blower motor. The wheel and the motor are balanced
as an assembly. If the blower motor wheel requires
replacement, the blower motor must also be replaced.
Refer to blower motor for replacement procedure.
COMPRESSOR
CAUTION: Add only new lubricant when system
requires additional lubricant. Do not use old
reclaimed lubricant.
REMOVAL
The A/C compressor may be unbolted and reposi-
tioned without discharging the refrigerant system.
Discharging is not necessary if removing the com-
pressor clutch/coil assembly, engine, cylinder head, or
alternator.
WARNING: REFRIGERANT PRESSURES REMAIN
HIGH EVEN THOUGH THE ENGINE MAY BE
TURNED OFF. DO NOT TWIST OR KINK THE
REFRIGERANT LINES WHEN REMOVING A FULLY
CHARGED COMPRESSOR. SAFETY GLASSES
MUST BE WORN.
(1) Disconnect battery negative cable.
(2) Loosen and remove drive belts, refer to Group
7, Engine Cooling.
(3) Using a R-134a refrigerant recovery machine,
remove the refrigerant from A/C system. If the com-
pressor is being replaced.
(4) Disconnect compressor clutch wire lead.
(5) Remove refrigerant lines from compressor, if
necessary.
(6) If system is left open place plug/cap over open
lines.
(7) Remove compressor attaching bolt.
(8) Remove compressor. If refrigerant lines were
not removed, lift compressor/clutch assembly and tie
it to a suitable component.
INSTALLATION
For installation, reverse the above procedures.
COMPRESSOR CLUTCH/COIL ASSEMBLY
Compressor assembly must be removed from mount-
ing. Although, refrigerant discharge is not necessary.
REMOVAL
(1) Remove the compressor shaft bolt (Fig. 20). A
band type oil filter removal tool can be placed around
the clutch plate to aid in bolt removal.
(2) Tap the clutch plate with a plastic hammer and
remove clutch plate and shim(s) (Fig. 21).
NOTE: Use care not to lose any of the shim(s).
CAUTION: Do not use screwdrivers between the
clutch plate assembly and pulley to remove front
plate as this may damage the front plate assembly.
Fig. 20 Compressor Shaft Bolt and Clutch Plate
Fig. 21 Clutch Plate and Shim(s)
PLHEATING AND AIR CONDITIONING 24 - 19
REMOVAL AND INSTALLATION (Continued)

(3) Pull switch out of manifold.
INSTALLATION
For installation, reverse the above procedures.
HIGH PRESSURE RELIEF VALVE
WARNING: AVOID BREATHING A/C REFRIGERANT
AND LUBRICANT VAPOR OR MIST. EXPOSURE MAY
IRRITATE EYES, NOSE AND THROAT. USE ONLY
APPROVED SERVICE EQUIPMENT MEETING SAE
REQUIREMENTS TO DISCHARGE R-134a SYSTEM.
IF ACCIDENTAL SYSTEM DISCHARGE OCCURS,
VENTILATE WORK AREA BEFORE RESUMING SER-
VICE.
R-134a SERVICE EQUIPMENT OR VEHICLE A/C
SYSTEM SHOULD NOT BE PRESSURE TESTED OR
LEAK TESTED WITH COMPRESSED AIR. MIXTURE
OF AIR and R-134a CAN BE COMBUSTIBLE AT ELE-
VATED PRESSURES. THESE MIXTURES ARE
POTENTIALLY DANGEROUS AND MAY RESULT IN
FIRE OR EXPLOSION CAUSING INJURY OR PROP-
ERTY DAMAGE.
REMOVAL
(1) Using a R-134a refrigerant recovery machine,
remove the refrigerant from A/C system.
(2) Rotate the high pressure relief valve counter-
clockwise and separate relief valve from the vehicle
(Fig. 32).
INSTALLATION
For installation, reverse the above procedures
using a new O-ring seal. Evacuate and charge the
refrigerant system.
HEATER CORE
Refer to Air Distribution Recondition of this section
for heater core removal procedure.
HEATER HOSES
CAUTION: When removing hoses from heater core
inlet or outlet nipples DO NOT exert excess pres-
sure. The heater core may become damaged and
leak engine coolant.
NOTE: Review Cooling System Precautions before
proceeding with this operation.
REMOVAL
(1) Drain engine cooling system. Refer to Group 7,
Cooling System.
(2) Remove clamp at end of heater hose to be
removed.
(3) RHD vehicles, heater hoses at the heater core
connection have quick connects (Fig. 33). The quick
connect consist of two pieces; a quick connect and
insert. The quick connect is removed by compressing
the insert with a pliers, pull quick connect free of
insert/nipple. Carefully compressed insert pulling the
quick connect from connector nipple. The insert will
remain on the connector nipple as the quick connect
is removed.
(4) Remove the heater hose clamp from the heater
hose at the block and remove hose.
INSTALLATION
NOTE: The insert should be remove from the con-
nector nipple and place it in side of the quick con-
nect.
For installation, reverse the above procedures.
Fig. 33 Heater Hose Quick Connect
Fig. 32 High Pressure Relief Valve Location
24 - 24 HEATING AND AIR CONDITIONINGPL
REMOVAL AND INSTALLATION (Continued)

ASSEMBLE
To reassemble, reverse the above procedures.
ADJUSTMENTS
MODE CONTROL CABLE
(1) Attach cable to actuator arm on mode door and
clip black casing against the stop.
(2) Attach other end of cable to instrument panel
control.
(3) Turn the mode knob completely counterclock-
wise.
(4) While holding the knob in the counterclockwise
position, pull on the black casing of the mode cable.
This will take up any free play in the cable and index
the mode door to the mode knob.
(5) Then snap the cable hold down clip into posi-
tion.
TEMPERATURE CONTROL CABLE
(1) Attach cable to actuator arm on temperature
door and clip black casing against the stop.
(2) Attach other end of cable to instrument panel
control.
(3) Turn the temperature knob completely counter-
clockwise.
(4) While holding the knob in the counterclockwise
position, pull on the black casing of the temperature
cable. This will take up any free play in the cable
and index the temperature door to the temperature
knob.
(5) Then snap the cable hold down clip into posi-
tion.
(6) Remount control.
Fig. 50 Cam and Lever Removal
Fig. 51 Pivot Screw Removal
24 - 30 HEATING AND AIR CONDITIONINGPL
DISASSEMBLY AND ASSEMBLY (Continued)