1991 Infiniti M30 REPAIR MANUAL -- HOW TO FIX YOUR CAR OR TRUCK

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1991 Infiniti M30 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Infiniti REPAIR SHOPS DON'T WANT YOU TO KNOW

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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1991 Infiniti M30 car and truck repair procedures including Infiniti 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 Infiniti M30 automobile. Try the Automotix DIY solution today!
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Using the Automotix DIY repair procedures will save you hundreds and even thousands of dollars! In addition, it will save you hours of touring the city searching for Infiniti mechanics you can trust. The Automotix DIY solution is particularly affordable. A full access to the entire DIY repair procedures and diagrams for your 1991 Infiniti M30 vehicle will cost less than a single gallon of gas. Here are some of the DIY repair tips and procedures you will find here:

A/C & HEATER SERVICE PROCEDURES FOR 1991 Infiniti M30 AUTOMOBILES

Infiniti -> MANUAL AIR CONDITIONING & HEATER SYSTEM DIAGNOSIS & TESTING -> A/C COMPONENT DIAGNOSIS & TESTING -> A/C RELAY -> A/C SWITCH -> AMBIENT SWITCH -> BLOWER MOTOR -> BLOWER RESISTOR -> DUAL PRESSURE SWITCH -> FAN SWITCH -> G20 -> M30 -> THERMAL PROTECTOR -> THERMO CONTROL AMP
Vehicle: 1991 Infiniti M30 3.0 V6 GAS

All Supplemental Restraint System (SRS) harnesses and connectors are covered with yellow outer insulation and related components are located in the steering column, center console, instrument panel, upper radiator core support and at the front fenders. Do not use electrical equipment on these circuits, as accidental deployment or personal injury may result.

A/C RELAY

M30

Check continuity between terminals by supplying 12 volts to coil side terminal of A/C relay, Fig. .

G20

Check continuity between terminals by applying 12 volts...

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BRAKE SERVICE PROCEDURES FOR 1991 Infiniti M30 AUTOMOBILES

INFINITI, POWER BRAKE UNITS -> POWER BOOSTER REPLACEMENT
Vehicle: 1991 Infiniti M30 3.0 V6 GAS

  • Connect tube to bleeder valve.
  • Open bleeder valve, drain fluid by depressing brake pedal until master cylinder is empty.
  • Remove brake line flare nuts, then master cylinder attaching nuts.
  • Remove clevis pin, Figs. and .
  • Remove brake booster attaching nuts, then remove booster.
  • Reverse procedure to install noting ...

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FUEL FILTER REPLACEMENT PROCEDURES FOR 1991 Infiniti M30 AUTOMOBILES

Infiniti -> Fuel Filter Replacement -> All Models -> Fuel System Pressure Relief -> Removal & Installation
Vehicle: 1991 Infiniti M30 3.0 V6 GAS

Do not smoke or allow an open flame of any type when working on or near any fuel system related components. The highly flammable vapor mixtures may ignite, resulting in serious personal injury.

Prior to disconnecting fuel lines, the fuel system pressure must be relieved to prevent accidental spray of fuel.

After the battery has been disconnected and reconnected, some abnormal driveabilty symptoms may occur. The vehicle may need to be driven 10...

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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1991 Infiniti M30 AUTOMOBILES

CV AXLE SHAFT, Replace
Vehicle: 1991 Infiniti M30 3.0 V6 GAS

  • Disconnect the ABS wheel sensors, located at the hubs and final drive unit, to prevent sensors from being damaged.
  • Remove side flange mounting bolts and separate driveshaft from final drive.
  • Remove hub nut, then lightly tap on driveshaft...

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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1991 Infiniti M30 AUTOMOBILES

Starter, Replace
Vehicle: 1991 Infiniti M30 3.0 V6 GAS

  • Disconnect battery ground cable.
  • Remove intake air duct.
  • Remove starter motor attaching ...

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MAINTENANCE LAMP RESET PROCEDURES FOR 1991 Infiniti M30 AUTOMOBILES

Infiniti -> Malfunction Indicator Lamp (MIL) -> 1990-2000 All & 2001 Q45
Vehicle: 1991 Infiniti M30 3.0 V6 GAS

The MIL will illuminate to indicate that a system fault has been detected. The MIL will blink simultaneously with the red Light Emitting Diode (LED) on the Electronic Control Module (ECM). Following diagnosis and repair of all system faults, reset the MIL lamp. If using a scan tool, follow tool manufacturer's instructions to clear DTCs. A second, though more time consuming method of clearing DTCs involves using a small screwdriver to turn the diagnostic mode selector switch, located on the side of the ECM/ECU, fully clockwise. After waiting 2 second...

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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1991 Infiniti M30 AUTOMOBILES

Coolant Hose, Replace -> Lower -> Upper
Vehicle: 1991 Infiniti M30 3.0 V6 GAS

Lower

  • Disconnect battery ground cable.
  • Drain cooling system into a suitable container by loosening drain plug of radiator.
  • Reposition hose clamp at radiator outlet.
  • Remove hose from radiator.
  • Reposition hose clamp at thermostat housing.
  • Remove hose from thermostat housing.
  • Remove hose from vehicle.
  • Reverse pr...

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SERPENTINE BELT SERVICE PROCEDURES FOR 1991 Infiniti M30 AUTOMOBILES

Serpentine Drive Belt, Replace
Vehicle: 1991 Infiniti M30 3.0 V6 GAS

  • Loosen lock nut on power steering pump.
  • Loosen adjusting bolt on power steering pump.
  • Remove power steering pump drive belt.
  • Loosen pulley bolt on idler pulley.
  • Loosen adjusting bolt on idler pulley.
  • Remove air conditioning compressor drive belt.
  • Loosen loc...

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COMPONENT LOCATION DIAGRAMS FOR 1991 Infiniti M30 AUTOMOBILES

Component location diagrams for most 1991 Infiniti M30 cars and light trucks sold in the U.S. from 1990+.

Air Conditioner Component Locations Diagram for 1991 Infiniti M30  3.0 V6 GASAir Conditioner Component Locations Diagram for 1991 Infiniti M30 3.0 V6 GAS

Components on diagram:
  • Blower Motor
  • Push Control Unit
  • Resistor
  • Intake Door Motor
  • Blower Relay
  • Door Harness Diagram for 1991 Infiniti M30  3.0 V6 GASDoor Harness Diagram for 1991 Infiniti M30 3.0 V6 GAS

    Components on diagram:
  • Door Lock Actuator
  • Step Lamp
  • Door Mirror
  • Door Handle Switch
  • Power Window Regulator
  • CLICK HERE TO GET FULL ACCESS TO 1991 Infiniti M30 PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 1991 Infiniti M30 AUTOMOBILES

    OEM drawn wiring diagrams for most 1991 Infiniti M30 cars and light trucks sold in the U.S.

    1991 Infiniti M30  3.0 V6 GAS Wiring Diagram1991 Infiniti M30 3.0 V6 GAS Wiring Diagram

    Components on diagram:
  • Battery
  • Ignition Switch
  • Horn Relay
  • Horn
  • Horn Switch
  • 1991 Infiniti M30  3.0 V6 GAS Wiring Diagram1991 Infiniti M30 3.0 V6 GAS Wiring Diagram

    Components on diagram:
  • Battery
  • Ignition Switch
  • Power Antenna Motor
  • Radio And Cassette Player
  • Power Antenna Timer
  • CLICK HERE TO GET FULL ACCESS TO 1991 Infiniti M30 WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 1991 Infiniti M30 AUTOMOBILES

    OEM TSB listings for most 1991 Infiniti M30 cars and light trucks sold in the U.S. from 1985+.

    Document: A/C System O-Ring Seal Leaks
    Vehicle: 1991 Infiniti M30 3.0 V6 GAS

    Auto Systems:
  • Heating, A/C, Ventilation, Defogger
  • Document: Windshield Cracking
    Vehicle: 1991 Infiniti M30 3.0 V6 GAS

    Auto Systems:
  • Glass, Doors, Hood, Decklid, Tailgate, Liftgate, Locks
  • CLICK HERE TO GET FULL ACCESS TO 1991 Infiniti M30 TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 1991 Infiniti M30 AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1991 Infiniti M30 cars and light trucks sold in the U.S. and Canada from 1970+.

    • Brake caliper mounting bolt torque
    • Brake drum runout, machining, & discard specs
    • Minimum brake lining thickness.
    • Brake rotor runout, parallelism, machining, discard, & finish specs

    A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most 1991 Infiniti M30 cars and light trucks sold in the U.S. and Canada from 1980+.

    • Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap

    COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.

    PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules

    QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most 1991 Infiniti M30 cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.

    • Automatic transmission/transaxles capacities, lubricant recommendations
    • Differential/final drive capacities, lube recommendations, grades, & viscosities
    • Final drive fill & drain plug torques
    • Number of lubrication fittings & plugs
    • Power steering, brake, & clutch fluid recommendations
    • Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
    • Number of lubrication fittings & plugs
    • Power steering, brake, & clutch fluid recommendations
    • Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
    • Severe service maintenance & interval recommendations
    • Tire sizes, wheel nut/bolt torque, pressures & rim sizes
    • Transfer case capacities, lube recommendations, grades, & viscosities

    TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most 1991 Infiniti M30 cars and light trucks sold in the U.S. and Canada from 1980+

    • Airflow sensor electrical specifications
    • Tensioning specifications for systems with automatic tensioners
    • Barometric pressure sensor specs
    • Battery group number and cranking performance
    • Crankshaft & camshaft position sensor resistance
    • Engine compression pressures
    • Coolant temperature sensor specs
    • Computer advance.
    • Diesel fuel temperature sensor resistance.
    • Distributor advance specifications
    • Ignition pickup coil resistance
    • Exhaust gas recirculation temperature sensor resistance
    • Engine fastener torque values
    • Firing order diagrams
    • Fuel system pressures
    • Generator (alternator) specs
    • Intake air temperature sensor specs
    • Ignition coil specifications
    • Fuel injector resistance
    • Engine idle speeds
    • Knock sensor resistance
    • Manifold absolute pressure sensor specs
    • Mixture control solenoid resistance
    • Voltage regulator specs
    • Spark plug applications & gaps
    • Starter motor electrical specs.
    • Tensioning specifications for systems without automatic tensioners
    • Throttle body temperature sensor resistance
    • Ignition timing in degrees at rpm
    • Transmission oil temperature sensor resistance
    • Throttle position sensor specs
    • Vacuum sensor valve specs

    CLICK HERE TO GET FULL ACCESS TO 1991 Infiniti M30 SPECIFICATIONS DATA!

    Shop online for auto body parts, engines, wheels, lights...

    Click here to view more details1992 Infiniti M30 Cigarette Lighter, With wire terminal; A high quality cigarette lighter; With 1-year limited Martins warranty..

    Source: Auto Body Parts Store

    $7.03

    Click here to view more details1992 Infiniti M30 Radiator Hose, Curved Radiator Hose, Knitted Reinforcement And All Synthetic EPDM Construction Provides The High Strength And Resistance To Oil, Mud, Salt, Road Debris, Ozone, Coolants, And Temperature Variations Of -40F (-40C) To +257F (+125C) That Are Required For OEM Hose Replacements, The Inner Base Tube Is Reinforced With Knitted Rayon For Maximum Strength And Burst Resistance For The Life Of The Hose.

    Source: Auto Body Parts Store

    $4.67

    Click here to view more details about 1992 Infiniti M30 15" x 6.5" Alloy Wheel1992 Infiniti M30 15" x 6.5" Alloy Wheel, Alloy Wheel; 15 X 6.5; 8 Slots; 4 Lug; 4.5 Inch BP; Left; Silver, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $128.50

    Click here to view more details1992 Infiniti M30 V6, 3 L, 2960 CC Rebuilt Engine, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    Ad Hoc

    Click here to view more details1990 Infiniti M30 Used Front Window Regulator, Passenger Side, Very Good.

    Source: Used Auto Parts Store

    $126.00

    Click here to view more details1990 Infiniti M30 Used Air Flow Meter/Sensor, Very Good.

    Source: Used Auto Parts Store

    $95.00
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