1991 Mitsubishi Eclipse 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 Mitsubishi Eclipse car and truck repair procedures including Mitsubishi 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 Mitsubishi Eclipse automobile. Try the Automotix DIY solution today!
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We have info for following modifications of 1991 Mitsubishi Eclipse

  • 1991 Mitsubishi Eclipse 1.8 L4 GAS, CC:1755, CID:107, Fuel Injection, Aspiration:107, Engine VIN:, Desg:T
  • 1991 Mitsubishi Eclipse GS 2.0 L4 GAS, CC:1997, CID:122, Fuel Injection, Aspiration:122, Engine VIN:, Desg:R
  • 1991 Mitsubishi Eclipse GS 2.0 L4 GAS, CC:1997, CID:122, Fuel Injection, Aspiration:122, Engine VIN:, Desg:U
  • 1991 Mitsubishi Eclipse GS 1.8 L4 GAS, CC:1755, CID:107, Fuel Injection, Aspiration:107, Engine VIN:, Desg:T
  • 1991 Mitsubishi Eclipse GSX 2.0 L4 GAS, CC:1997, CID:122, Fuel Injection, Aspiration:122, Engine VIN:, Desg:U

A/C & HEATER SERVICE PROCEDURES FOR 1991 Mitsubishi Eclipse 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 Mitsubishi Eclipse cars and light trucks from 1990+

Mitsubishi -> Component Replacement & Adjustment -> WATER PUMP, REPLACE -> 1.8L/4-111.9 Engine -> 2.0L/4-122 DOHC Engine -> 2.0L/4-122 SOHC Engine -> 2.4L/4-143 Engine -> 2.4L/4-143 Engines -> 3.0L/V6-181 Engine -> 3000GT -> DIAMANTE -> ECLIPSE -> EXPO -> GALANT -> MIRAGE & PRECIS -> PICKUP & MONTERO
Vehicle: 1991 Mitsubishi Eclipse GS 2.0 L4 GAS

DIAMANTE

  • Disconnect battery ground cable.
  • Release fuel system pressure as outlined under "Fuel System Pressure Release."
  • Remove timing belt. Refer to "MOTOR's Imported Car Repair Manual" for replacement procedures.
  • Drain engine coolant into a suitable container.
  • Replace engine water pump in numbered sequence shown in Figs. and , noting the following during installation:
    • Coat inlet pipe O-ring with water to ease installation.
    • On DOHC engines, install water pump bolts in correct location, Fig. .

ECLIPSE

...

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A/C & HEATER SERVICE PROCEDURES FOR 1991 Mitsubishi Eclipse 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 Mitsubishi Eclipse cars and light trucks from 1990+

Mitsubishi -> Cooling Fans -> COMPONENT DIAGNOSIS & TESTING -> Condenser Fan Motor -> Condenser Fan Motor Check -> Condenser Fan Motor Relay -> Condenser Fan Relay -> DIAMANTE -> ECLIPSE & 3000GT -> EXPO -> Fan Relay -> GALANT & MIRAGE -> PRECIS -> Radiator Fan Motor -> Radiator Fan Relay Check -> Relay Testing -> Resistor Check -> Resistor Test -> Thermo Sensors
Vehicle: 1991 Mitsubishi Eclipse GSX 2.0 L4 GAS

GALANT & MIRAGE

Thermo Sensors
  • Drain cooling system, then remove thermo sensors from radiator.
  • Submerge sensor end of thermo sensor as shown in Fig. .
  • Connect ohmmeter across thermo sensor terminals.
  • Continuity should exist at approximately 185°F, and no continuity at 172-183°F or less.
Relay Testing
  • With radiator fan relay disconnected, use suitable ohmmeter to check for continuity between terminals 1 and 2 Fig. , continuity should exist. Check between terminals 3 and 4, continuity should not exist.
  • ...

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A/C & HEATER SERVICE PROCEDURES FOR 1991 Mitsubishi Eclipse 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 Mitsubishi Eclipse cars and light trucks from 1990+

Mitsubishi -> Component Replacement & Adjustment -> CONTROL PANEL, REPLACE -> 3000GT -> A/C-HEATER CONTROL PANEL, REPLACE -> Diamante -> Eclipse -> Expo -> Galant -> HEATER CONTROL ASSEMBLY, REPLACE -> Mirage -> Montero -> Pickup -> Precis
Vehicle: 1991 Mitsubishi Eclipse GS 2.0 L4 GAS

A/C-HEATER CONTROL PANEL, REPLACE

Diamante
  • Remove console ash tray.
  • Remove console three screws, then the console.
  • Remove audio panel bezel.
  • Remove heater control garnish.
  • Disconnect and remove A/C control panel assembly.
  • Disassemble A/C control panels assembly as follows:
    • Remove center switch.
    • Remove heater panel off control panel.
  • Reverse procedure to install.
3000GT

Refer to procedures found under for the Stealth model in the DaimlerChrysler Corp. section.

HEATER...

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A/C & HEATER SERVICE PROCEDURES FOR 1991 Mitsubishi Eclipse 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 Mitsubishi Eclipse cars and light trucks from 1990+

Computer Relearn Procedures -> Mitsubishi
Vehicle: 1991 Mitsubishi Eclipse 1.8 L4 GAS

If the battery has been disconnected or the ECM/PCM replaced, drive vehi...

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A/C & HEATER SERVICE PROCEDURES FOR 1991 Mitsubishi Eclipse 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 Mitsubishi Eclipse cars and light trucks from 1990+

Mitsubishi -> Component Replacement & Adjustment -> A/C CONTROL UNIT -> 3000GT -> DIAMANTE -> ECLIPSE, EXPO, GALANT & MIRAGE -> MONTERO
Vehicle: 1991 Mitsubishi Eclipse 1.8 L4 GAS

DIAMANTE

  • Remove A/C-heater control panel as outlined under "A/C-Heater Control Panel, Replace."
  • Remove radio and tape player.
  • Remove A/C control unit.
  • Reverse procedure to install.

ECLIPSE, EXPO, GALANT & MIRAGE

Refer to "Evaporator Core, Replace" proc...

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A/C & HEATER SERVICE PROCEDURES FOR 1991 Mitsubishi Eclipse 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 Mitsubishi Eclipse cars and light trucks from 1990+

Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Imported Vehicles
Vehicle: 1991 Mitsubishi Eclipse GS 1.8 L4 GAS

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