2001 Toyota 4runner A/C & Heater Service (ONLINE REPAIR MANUALS)

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A/C & HEATER SERVICE PROCEDURES FOR 2001 Toyota 4runner 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 2001 Toyota 4runner cars and light trucks from 1990+

Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Imported Vehicles
Vehicle: 2001 Toyota 4runner 3.4 V6 GAS

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A/C & HEATER SERVICE PROCEDURES FOR 2001 Toyota 4runner 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 2001 Toyota 4runner cars and light trucks from 1990+

Toyota -> Component Replacement & Adjustment -> Pressure Switch, Replace
Vehicle: 2001 Toyota 4runner 3.4 V6 GAS

  • Recover refrigerant as outlined under .
  • Disconnect pressure switch electrical connector.
  • Remove pressure switch using suitable wrenches to avoid damaging refrigerant lines. Discard O-ring.
  • Reverse procedure to install, noting the following:
    • Do not use old O-rings. Always install new ones lubricated with fresh ref...

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A/C & HEATER SERVICE PROCEDURES FOR 2001 Toyota 4runner 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 2001 Toyota 4runner cars and light trucks from 1990+

Toyota -> Component Replacement & Adjustment -> Timing Belt, Replace -> 1MZ-FE Engine -> 2UZ-FE Engine -> 5S-FE Engine -> 5VZ-FE Engine -> Avalon & Sienna -> Camry & Camry Solara -> Highlander -> Land Cruiser, Sequoia, Tacoma, Tundra & 4Runner
Vehicle: 2001 Toyota 4runner 3.4 V6 GAS

Avalon & Sienna

  • Wait until the engine has cooled down before installing the new timing belt.
  • Disconnect coolant reservoir hose from coolant outlet.
  • On Sienna models, proceed as follows:
    • Remove wiper arm head caps.
    • Remove wiper arm retaining nuts, then the arm and blade assemblies.
    • Remove head to cowl top seal.
    • Remove cowl panel hole cover.
    • Remove clip, then disconnect washer hose.
    • Remove cowl top ventilation louvers.
    • Disconnect wiper motor electrical connector.
  • On all models, loosen righthand front...

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A/C & HEATER SERVICE PROCEDURES FOR 2001 Toyota 4runner 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 2001 Toyota 4runner cars and light trucks from 1990+

Toyota -> Component Replacement & Adjustment -> Evaporator Core, Replace -> Avalon -> Camry -> Camry Solara -> Celica -> Corolla -> Echo -> Front -> Highlander -> Land Cruiser -> MR2 -> RAV4 -> Rear -> Sequoia -> Sienna -> Tacoma & 4Runner -> Tundra
Vehicle: 2001 Toyota 4runner 3.4 V6 GAS

Avalon

  • Recover refrigerant as outlined under .
  • Drain coolant into a suitable container until level falls below heater core fittings.
  • Disconnect suction tube at firewall using claw tool No. 09870-00015, or equivalent. Cap open fittings, then discard O-rings.
  • Disconnect liquid tube at firewall using claw tool No. 09870-00025, or equivalent. Cap open fittings, then discard O-rings.
  • Disconnect heater hoses at core fittings.
  • Remove instrument panel as outlined under "Instrument Panel, Replace."
  • Remove ECMs and ECUs for improved acces...

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A/C & HEATER SERVICE PROCEDURES FOR 2001 Toyota 4runner 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 2001 Toyota 4runner cars and light trucks from 1990+

Toyota -> Electric Cooling Fans -> Precautions -> Air Bag System Disarming & Arming -> Audio Coded Anti-Theft System -> Battery Ground Cable -> Product Compatibility
Vehicle: 2001 Toyota 4runner 3.4 V6 GAS

Air Bag System Disarming & Arming

Refer to and for air bag system disarming and arming procedures.

Audio Coded Anti-Theft System

Some models are equipped with an audio coded anti-theft system that will disable the radio when the battery cable is disconnected. The system can be identified by the "ANTI-THEFT SYSTEM" on the cassette tape lid. Obtain 3-digit customer code for input. Reset system after service as follows:

  • Obtain 3-digit audio anti-theft code.
  • Depress 1 (PROG) while depressing righthand side of TUNE SEEK button. - - - will ap...

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A/C & HEATER SERVICE PROCEDURES FOR 2001 Toyota 4runner 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 2001 Toyota 4runner cars and light trucks from 1990+

Toyota -> Electric Cooling Fans -> Component Replacement -> Avalon -> Camry & Camry Solara -> Celica -> Cooling Fan/Motor -> Corolla, Echo & Highlander -> MR2 -> No. 1 Cooling Fan -> No. 2 Cooling Fan -> RAV4 -> Sienna
Vehicle: 2001 Toyota 4runner 3.4 V6 GAS

Cooling Fan/Motor

Avalon
No. 1 Cooling Fan
  • Remove battery and tray.
  • Disconnect cruise control actuator from body.
  • Remove No. 3 engine room relay block from radiator.
  • Disconnect cruise control actuator wire from clamp on fan shroud.
  • Disconnect cooling fan electrical connector.
  • Remove retaining bolts from cooling fan assembly.
  • Remove fan blade attaching nut and fan.
  • Remove fan motor to assembly attaching screws, then the motor.
  • Reverse procedure to install, noting the following:
    • ...

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