radiator TOYOTA CAMRY 2000 Service Repair Manual

CAMRY
CAMRY ± OUTLINE OF NEW FEATURES 26
OUTLINE OF NEW FEATURES
The CAMRY is a high-quality family sedan with advanced technology and sporty performance. The following
changes are made for the 2000 model year.
1. Model Line-Up
The 5S-FNE CNG (Compressed Natural Gas) engine model has been added.
2. Exterior
Four new exterior colors have been added, for a total of 10 colors.
The design of the front and rear bumpers has been changed.
The bumper and the radiator grille have been made separate, and the radiator grille is chrome-plated.
The side protection molding has been increased in size. On the XLE grade model, chrome stripes have been
adopted for the side protection molding.
The 4-light multi-reflector type headlights are adopted with new styling.
The design and styling of the rear combination light has been changed.
The 16º aluminum alloy wheel and wheel cap has been added.
The styling of the 15º full wheel cover has been changed.
3. Interior
Wood-grain panels have been adopted in the interior of the XLE grade model.
CRS tether anchor brackets have been provided on the package tray trim. (except 5S-FNE engine Model)
A clock with an outside temperature gauge has been provided on the models with manual air conditioning.
4. 5S-FE Engine
The intake system from the inlet duct to the throttle body has been improved to increase torque and reduce
noise.
The direction of the rotation of the radiator cooling fan has been reversed.
A 2-way exhaust control system has been adopted on the TMMK made model.
Along with the discontinuance of the air assist system, the fuel injectors and the IAC valve have been
changed for the California specification model, in order to meet ULEV (Ultra-Low Emission Vehicle) re-
quirement.
The system for detecting evaporative emission leaks has been changed. For details, see the General 2000
Features section.
5. 5S-FNE Engine
Based on the 5S-FE gasoline engine, the 5S-FNE engine uses compressed natural gas. The fuel lines have
been designed exclusively for compressed natural gas application.
6. 1MZ-FE Engine
The system for detecting evaporative emission leaks has been changed. For details, see the General 2000
Features section.
A diagnostic trouble code (DTC) has been added for indicating a thermostat malfunction.
7. Automatic Transaxle
The overdrive switch has been changed to the momentary type. For details, see the General 2000 Features
section.
The differential gear ratio of the A140E automatic transaxle has been changed for the 5S-FNE engine mod-
el to accommodate the performance of the 5S-FNE engine.

3
CAMRY ± NEW FEATURES
172CM02
A
A
172CM03
Chrome
Plating
Radiator
Grille
Chrome
Plating
BumperIntegrated Bumper and
Radiator Grille
New Previous EmblemEmblem
172CM04
Chrome Strip
XLE Grade LE and CE Grade
New Previous31
NEW FEATURES
EXTERIOR
The design of the front and rear bumpers has been changed.
The bumper and the radiator grille have been made separate, and the radiator grille is chrome-plated.
The side protection molding has been increased in size. On the XLE grade model, chrome stripes have been
adopted for the side protection molding.
The 4-light multi-reflector type headlights are adopted with new styling.
The design and styling of the rear combination light has been changed.

Bumper and Radiator Grille (A ± A) Cross Section 


Side Protection Moulding Cross Section 

ENGINE OIL INSPECTION
1. CHECK OIL QUALITY
Check the oil for deterioration, entry of water, dis±
coloring or thinning.
If oil quality is visibly poor, replace it.
Oil grade:
API grade SG or SH, Energy Conserving II multi±
grade engine oil or ILSAC multigrade engine oil.
Recommended viscosity is as shown in the illustra±
tion.
TUNE±UP
ENGINE COOLANT INSPECTION
1. CHECK ENGINE COOLANT LEVEL AT RESERVOIR
TANK
The engine coolant level should be between the
ªLOWº and ªFULLº lines at low temperature.
If low, check for leaks and add engine coolant up to
the ªFULLº
2. CHECK ENGINE COOLANT QUALITY
There should be no excessive deposits of rust or
scales around the radiator cap or radiator filler hole,
and the engine coolant should be free from oil.
If excessively dirty, replace the engine coolant.
2. CHECK ENGINE OIL LEVEL
The oil level should be between the ªLº and ªFº marks
on the dipstick.
If low, check for leakage and add oil up to the ªFº
mark.
± 5S±FE ENGINEENGINE MECHANICALEG1±8

11. DISCONNECT OIL PRESSURE SWITCH
CONNECTOR
12. DISCONNECT ENGINE WIRE (FOR OXYGEN
SENSORS) FROM ENGINE HANGER
13. REMOVE WATER OUTLET
(a) Disconnect the following connectors:
(1) Engine coolant temperature sender gauge con±
nector
(2) Engine coolant temperature sensor connector
(b) Disconnect the following hoses:
(1) Upper radiator hose
(2) Water bypass pipe hose
(3) Heater water hose
(4) IAC water bypass hose
(5) 2 TVV (for EVAP) vacuum hoses
14. REMOVE WATER BYPASS PIPE
(a) Disconnect the following hoses:
(1) IAC water bypass hose
(2) Heater water hose
(3) w/ Oil Cooler:
2 oil cooler water bypass hoses (5) 3 bolts and 2 nuts
(6) Exhaust manifold
(7) Gasket
(8) Retainer
(9) Cushion
(10) WU±TWC
(c) Remove the 2 bolts, water outlet and gasket.
± 5S±FE ENGINEENGINE MECHANICALEG1±44

(b) Connect the following hoses:
(1) Upper radiator hose
(2) Water bypass pipe hose
(3) Heater water hose
(4) IAC water bypass hose
(5) TVV (for EVAP) vacuum hose (from P port of
throttle body)
(6) TVV (for EVAP) vacuum hose (from charcoal canister) 27. INSTALL WATER BYPASS PIPE
(a) Install a new 0±ring to the bypass pipe.
(b) Apply soapy water on the 0± ring.
(c) Install a new gasket and the bypass pipe with the 2
nuts and 2 bolts.
Torque (Nut): 8.8 N±m (90 kgf±cm. 78 in.±lbf)
28. INSTALL WATER OUTLET
(a) Install a new gasket and the water outlet with the 2
bolts.
Torque: 15 N±m (150 kgf±cm, 11 ft±lbf)
(d) Connect the following hoses:
(1) IAC water bypass hose
(2) Heater water hose
(3) w/ Oil Cooler:
2 oil cooler water bypass hoses (f) Connect the IAC valve connector.
(g) Connect the throttle position sensor connector.
± 5S±FE ENGINEENGINE MECHANICALEG1±79

ENGINE REMOVAL
1. DISCONNECT NEGATIVE (±) TERMINAL CABLE
FROM BATTERY
CAUTION: Work must be started after 90 seconds from
the time the ignition switch is turned to the 'LOCK'
position and the negative (±) terminal cable Is discon±
nected from the battery.
2. REMOVE BATTERY AND TRAY
3. REMOVE HOOD
4. REMOVE ENGINE UNDER COVER
5. DRAIN ENGINE COOLANT
6. DRAIN ENGINE OIL
7. DISCONNECT ACCELERATOR CABLE FROM
THROTTLE BODY
8. A/T:
DISCONNECT THROTTLE CABLE FROM
THROTTLE BODY
9. REMOVE AIR CLEANER ASSEMBLY, RESONATOR
AND AIR CLEANER HOSE
(a) Disconnect the intake air temperature sensor connec±
tor.
(b) California only:
Disconnect the air hose from the air cleaner hose.
(c) Loosen the air cleaner hose clamp bolt.
(d) Disconnect the 4 air cleaner cap clips.
(e) Disconnect the air cleaner hose from the throttle
body, and remove the air cleaner cap together with
the resonator and air cleaner hose.
(f) Remove the element.
(g) Remove the 3 bolts and air cleaner case.
10. w/ CRUISE CONTROL SYSTEM:
REMOVE CRUISE CONTROL ACTUATOR
(a) Remove the actuator cover.
(b) Disconnect the actuator connector.
(c) Remove the 3 bolts, and disconnect the actuator with
the bracket.
11. REMOVE RADIATOR
± 5S±FE ENGINEENGINE MECHANICALEG1±85

21. w/ A/C:
REMOVE A/C COMPRESSOR WITHOUT
DISCONNECTING HOSES
(a) Disconnect the A/C compressor connector.
(b) Remove the drive belt.
(c) Remove the 3 bolts, and disconnect the A/C compres±
sor.
HINT: Put aside the compressor, and suspend it to the
radiator support with a string.
24. REMOVE PS PUMP WITHOUT DISCONNECTING
HOSES
(a) Disconnect the 2 air hoses from the air pipe.
(b) Remove the PS drive belt.
(c) Remove the 2 bolts, and disconnect the PS pump from
the engine.
HINT: Put aside the pump and suspend it from the
cowl with a string. 22. DISCONNECT FRONT EXHAUST PIPE
(a) Loosen the 2 bolts, and disconnect the bracket.
(b) Using a 14 mm deep socket wrench, remove the 3
nuts holding the front exhaust pipe to the WU±TWC.
(c) Disconnect the front exhaust pipe and gaskets.
23. REMOVE DRIVE SHAFTS (See page SA±38)
25. DISCONNECT LH ENGINE MOUNTING INSULATOR
M/T:
Remove the 3 bolts, and disconnect the mounting
insulator.
A/T:
Remove the 4 bolts, and disconnect the mounting
insulator.
± 5S±FE ENGINEENGINE MECHANICALEG1±89

27. INSTALL AIR CLEANER ASSEMBLY, RESONATOR
AND AIR CLEANER HOSE
(a) Install the air cleaner case with 3 bolts.
(b) Install the element.
(c) Connect the air cleaner hose to the throttle body.
(d) Install the air cleaner cap together with the resonator
and air cleaner hose.
(e) California only:
Connect the air hose to the air cleaner hose.
(f) Connect the intake air temperature sensor connector.
28. A/T:
CONNECT AND ADJUST THROTTLE CABLE
29. CONNECT AND ADJUST ACCELERATOR CABLE
30. FILL WITH ENGINE COOLANT
31. FILL WITH ENGINE OIL
32. CONNECT NEGATIVE (±) TERMINAL CABLE TO
BATTERY
33. START ENGINE AND CHECK FOR LEAKS
34. PREFORM ENGINE ADJUSTMENT
35. INSTALL ENGINE UNDER COVERS
36. INSTALL HOOD
37. PERFORM ROAD TEST
Check for abnormal noises, shock, slippage, correct
shift points and smooth operation.
38. RECHECK ENGINE COOLANT AND ENGINE OIL
LEVELS26. w/ CRUISE CONTROL SYSTEM:
INSTALL CRUISE CONTROL ACTUATOR
(a) Install the actuator and bracket with the 3 bolts.
(b) Connect the actuator connector.
(c) Install the actuator cover.(6) Data link connector 1
(7) 2 ground straps from RH fender apron
(e) Connect the MAP sensor connector.
25. INSTALL RADIATOR
± 5S±FE ENGINEENGINE MECHANICALEG1±133

The cooling system is composed of the water jacket (inside the cylinder block and cylinder head),
radiator, water pump, thermostat, electric fan, hoses and other components.
Engine coolant which is heated in the water jacket is pumped to the radiator, through which an
electric fan blows air to cool the coolant as it passes through. Engine coolant which has been
cooled is then sent back to the engine by the water pump, where it cools the engine.
The water jacket is a network of channels in the shell of the cylinder block and cylinder head
through which coolant passes. It is designed to provide adequate cooling of the cylinders and
combustion chambers which become heated during engine operation.
DESCRIPTION
This engine utilizes a pressurized forced circulation cooling system which includes a thermostat
equipped with a bypass valve mounted on the inlet side.
OPERATIONCOOLING SYSTEM
± 5S±FE ENGINECOOLING SYSTEMEG1±238

RADIATOR
The radiator performs the function of cooling the coolant which has passed through the water
jacket and become hot, and it is mounted in the front of the vehicle. The radiator consists of an
upper tank and lower tank, and a core which connects the two tanks. The upper tank contains the
inlet for coolant from the water jacket and the filler inlet. It also has a hose attached through
which excess coolant or steam can flow. The lower tank has an outlet and drain cock for the
coolant. The core contains many tubes through which coolant flows from the upper tank to the
lower tank as well as to cooling fins which radiate heat away from the coolant in the tubes. The
air sucked through the radiator by the electric fan, as well as the wind generated by the vehicle's
travel, passes through the radiator, cooling the coolant. Models with automatic transmission
include an automatic transmission fluid cooler built into the lower tank of the radiator. A fan with
an electric motor is mounted behind the radiator to assist the flow of air through the radiator. The
fan operates when the engine coolant temperature becomes high in order to prevent it from be-
coming too high.
RADIATOR CAP
The radiator cap is a pressure type cap which seals the radiator, resulting in pressurization of the
radiator as the coolant expands. The pressurization prevents the coolant from boiling even when
the engine coolant temperature exceeds 100°C (212°F). A relief valve (pressurization valve) and a
vacuum valve (negative pressure valve) are built into the radiator cap. The relief valve opens and
lets steam escape through the overflow pipe when the pressure generated inside the cooling sys-
tem exceeds the limit (coolant temperature: 110±120°C (230±248°F), pressure; 58.8103.0 kpa
(0.6±1.05 kgf/cm
2, 8.5±14.9 psi). The vacuum valve opens to alleviate the vacuum which develops
in the cooling system after the engine is stopped and the engine coolant temperature drops. The
valve's opening allows the coolant in the reservoir tank to return to the cooling system.
RESERVOIR TANK
The reservoir tank is used to catch coolant which overflows from the cooling system as a result
of volumetric expansion when the coolant is heated. The coolant in the reservoir tank returns to
the radiator when the coolant temperature drops, thus keeping the radiator full at all times and
avoiding needless coolant loss.
Check the reservoir tank level to learn if the coolant needs to be replenished.
WATER PUMP
The water pump is used for forced circulation of coolant through the cooling system. It is
mounted on the front of the cylinder block and driven by a timing belt.
THERMOSTAT
The thermostat has a wax type bypass valve and is mounted in the water inlet housing. The
thermostat includes a type of automatic valve operated by fluctuations in the engine coolant
temperature. This valve closes when the engine coolant temperature drops, preventing the
circulation of coolant through the engine and thus permitting the engine to warm up rapidly. The
valve opens when the engine coolant temperature has risen, allowing the circulation of coolant.
Wax inside the thermostat expands when heated and contracts when cooled. Heating the wax
thus generates pressure which overpowers the force of the spring which keeps the valve closed,
thus opening the valve. When the wax cools, its contraction allows the force of the spring to take
effect once more, closing the valve. The thermostat in this engine operates at a temperature of
82
C (180
F).
± 5S±FE ENGINECOOLING SYSTEMEG1±239