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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Toyota Highlander car and truck
repair procedures including Toyota engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up &
drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install
procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c
system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix
your 2003 Toyota Highlander automobile. Try the Automotix DIY solution today!
We have info for following modifications of 2003 Toyota Highlander
- 2003 Toyota Highlander 3.0 V6 GAS, CC:2995, Fuel Injection
- 2003 Toyota Highlander 2.4 L4 GAS, CC:2362, Fuel Injection
A/C & HEATER SERVICE PROCEDURES FOR 2003 Toyota Highlander AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 2003 Toyota Highlander cars and light trucks from 1990+
Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Imported Vehicles
Vehicle: 2003 Toyota Highlander 3.0 V6 GAS
CLICK HERE TO GET FULL ACCESS TO 2003 Toyota Highlander A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2003 Toyota Highlander AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 2003 Toyota Highlander cars and light trucks from 1990+
Toyota -> Component Replacement & Adjustment -> Water Pump, Replace -> 1MZ-FE Engine -> 2AZ-FE Engine -> 2RZ-FE & 3RZ-FE Engines -> 5S-FE Engine -> 5VZ-FE Engine -> Avalon -> Camry & Camry Solara -> Celica, Corolla & Corolla Matrix -> Echo -> Highlander -> Land Cruiser, Sequoia & Tundra -> MR2 -> RAV4 -> Sienna -> Tacoma & 4Runner
Vehicle: 2003 Toyota Highlander 3.0 V6 GAS
Avalon
- Drain coolant into a suitable container.
- Remove timing belt as outlined under "Timing Belt, Replace."
- Remove camshaft sprockets. Discard bolts.
- Remove timing belt idler pulley above water pump.
- Disconnect engine wiring from No. 3 timing belt cover, then remove cover, Fig. .
- Remove water pump attaching bolts, then the pump.
- Reverse procedure to install, noting the following:
- Torque water pump mounting bolts to 69 inch lbs.
- Torque timing belt idler pulley bolt to 32 ft. lbs.
- Torque new camshaft sprocket b...
CLICK HERE TO GET FULL ACCESS TO 2003 Toyota Highlander A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2003 Toyota Highlander AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 2003 Toyota Highlander cars and light trucks from 1990+
Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Imported Vehicles
Vehicle: 2003 Toyota Highlander 3.0 V6 GAS
CLICK HERE TO GET FULL ACCESS TO 2003 Toyota Highlander A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2003 Toyota Highlander AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 2003 Toyota Highlander cars and light trucks from 1990+
A/C & Cooling System Maintenance -> Toyota -> 2003-04 Highlander, Land Cruiser, RAV4, Sequoia, Tacoma & 4Runner
Vehicle: 2003 Toyota Highlander 3.0 V6 GAS
CLICK HERE TO GET FULL ACCESS TO 2003 Toyota Highlander A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2003 Toyota Highlander AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 2003 Toyota Highlander cars and light trucks from 1990+
Air Bag System Precautions -> Toyota -> Disarming
Vehicle: 2003 Toyota Highlander 3.0 V6 GAS
The Supplemental Restraint System (SRS) incorporates a back up energy source that can maintain sufficient voltage to cause a deployment for up to 90 seconds after the ignition switch is turned off and the battery is disconnected.
When the battery is disconnected all vehicle memory is lost, make notes of radio station settings. Never use a back-up power source from outside the vehicle.
- Note radio station settings before disconnecting battery, as all vehicle memory will be lost.
- Place ...
CLICK HERE TO GET FULL ACCESS TO 2003 Toyota Highlander A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2003 Toyota Highlander AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 2003 Toyota Highlander cars and light trucks from 1990+
Toyota -> Component Replacement & Adjustment -> Heater Core, Replace -> Avalon -> Camry -> Camry Solara -> Celica -> Corolla & Echo -> Corolla Matrix -> Front -> Highlander -> Land Cruiser -> MR2 -> RAV4 -> Rear -> Sequoia & Tundra -> Sienna -> Tacoma & 4Runner
Vehicle: 2003 Toyota Highlander 3.0 V6 GAS
Avalon
- Remove HVAC unit as outlined under "Evaporator Core, Replace."
- Remove heater core from HVAC unit.
- Reverse procedure to install. Ensure heater hose clamps are securely installed, Fig. .
Camry
- Remove HVAC unit as outlined under "Evaporator Core, Replace."
- Remove heater core from HVAC unit.
- Reverse procedure to install. Fill and bleed cooling system as outlined under "Cooling System Bleed."
Camry Solara
Refer to "Evaporator Core, Replace" for heater core replacement procedure.
Celica
- Remove cool...
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