1991 Toyota Land Cruiser A/C & Heater Service (ONLINE REPAIR MANUALS)

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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1991 Toyota Land Cruiser 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 1991 Toyota Land Cruiser automobile. Try the Automotix DIY solution today!
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A/C & HEATER SERVICE PROCEDURES FOR 1991 Toyota Land Cruiser 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 1991 Toyota Land Cruiser cars and light trucks from 1990+

Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Imported Vehicles
Vehicle: 1991 Toyota Land Cruiser 4.0 L6 GAS

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A/C & HEATER SERVICE PROCEDURES FOR 1991 Toyota Land Cruiser 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 1991 Toyota Land Cruiser cars and light trucks from 1990+

Air Bag System Precautions -> Toyota -> Disarming
Vehicle: 1991 Toyota Land Cruiser 4.0 L6 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 1991 Toyota Land Cruiser A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 1991 Toyota Land Cruiser 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 1991 Toyota Land Cruiser cars and light trucks from 1990+

Import Compressor Service -> Mitsubishi Compressors -> COMPRESSOR OVERHAUL -> 10PA15 & 10PA17 COMPRESSORS -> Assemble -> Disassemble -> FX105VS COMPRESSOR -> FX80
Vehicle: 1991 Toyota Land Cruiser 4.0 L6 GAS

FX80

Disassemble
  • Disassemble compressor in numbered sequence shown in Fig. , noting the following:
    • Remove crankshaft nut by installing two six millimeter bolts by one inch long into holes of armature plate. Hold bolts using two box-end wrenches to prevent crankshaft from turning, then remove crankshaft nut and armature plate.
    • Using a screwdriver or snap-ring pliers, remove seal plate from front housing.
    • Using a brass bar, remove bearing from front housing.
  • Inspect all surfaces for scoring, cracks or deformation.
...

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A/C & HEATER SERVICE PROCEDURES FOR 1991 Toyota Land Cruiser 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 1991 Toyota Land Cruiser cars and light trucks from 1990+

Toyota -> Cooling Fans -> LAND CRUISER -> COMPONENT INSPECTION -> ENGINE COMPARTMENT FAN MOTOR, REPLACE
Vehicle: 1991 Toyota Land Cruiser 4.0 L6 GAS

ENGINE COMPARTMENT FAN MOTOR, REPLACE

  • Disconnect battery ground cable.
  • Disconnect fan motor electrical connector.
  • Remove air silencer and stay.
  • Remove cooling fan retaining bolts, then the cooling fan.
  • Reverse procedure to install.

COMPONENT INSPECTION

  • Using an ohmmeter, check manifold temperature sensor resistance. Resistance should be approximately 4,000 ohms at 194°F and 2,000 ohms at 230°F.
  • Using an ohmmeter, check cooling fan motor relay circuit, fan relay is located behind RH cowl trim. Refer to specified value chart...

CLICK HERE TO GET FULL ACCESS TO 1991 Toyota Land Cruiser A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 1991 Toyota Land Cruiser 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 1991 Toyota Land Cruiser cars and light trucks from 1990+

Toyota -> Component Replacement & Adjustment -> COOLING SYSTEM BLEED -> CAMRY w/V6 ENGINE -> EXCEPT CAMRY w/V6 ENGINE & MR2 -> MR2
Vehicle: 1991 Toyota Land Cruiser 4.0 L6 GAS

EXCEPT CAMRY w/V6 ENGINE & MR2

These engines do not require a specified bleed procedure. After filling cooling system, run engine to operating temperature with radiator/pressure cap off. Air will then be automatically bled through cap opening.

CAMRY w/V6 ENGINE

  • Remove radiator cap, then drain coolant from engine and radiator drain cocks. Engine drain cocks are located at front center and rear right of cylinder block.
  • Close drain cocks.
  • To release air from system, loosen union bolt of water outlet five revolutions.
  • Slowly refill sy...

CLICK HERE TO GET FULL ACCESS TO 1991 Toyota Land Cruiser A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 1991 Toyota Land Cruiser 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 1991 Toyota Land Cruiser cars and light trucks from 1990+

Air Bag System Precautions -> Toyota -> Arming
Vehicle: 1991 Toyota Land Cruiser 4.0 L6 GAS

  • Ensure ignition switch is in Lock position.
  • Reconnect battery ground cable.
  • Wait at least 10 seconds before turning the ignition switch from the Lock position.
  • Place ignitio...

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