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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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- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
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!
A/C & HEATER SERVICE PROCEDURES FOR 1991 Infiniti M30 AUTOMOBILES
Air Bag System Precautions -> Infiniti -> Disarming
Vehicle: 1991 Infiniti M30 3.0 V6 GAS
For "Infiniti QX4" Information, Refer To "Pathfinder" In "Nissan."
- Turn ignition Off, then disconnect battery ground cable.
- On 1990-97 models, wait at least 10 minutes after disconnecting the battery ground cable before performing any service procedures.
- On 1998-2004 models, wait at least three minutes after disconnecting both b...
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BRAKE SERVICE PROCEDURES FOR 1991 Infiniti M30 AUTOMOBILES
INFINITI, POWER BRAKE UNITS -> DESCRIPTION
Vehicle: 1991 Infiniti M30 3.0 V6 GAS
The vacuum assist diaphragm assembly multiplies the force exerted on the master cylinder piston in order to increase the hydraulic pressure delivered to the wheel calipers while decreasing the effort necessary to obtain acceptable stopping performance.
Vacuum assist units get their energy by opposing engine vacuum to atmospheric pressure. A piston, cylinder and f...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1991 Infiniti M30 AUTOMOBILES
Infiniti -> Fuel Filter Scheduled Maintenance -> All Models -> Normal Service -> Severe Service
Vehicle: 1991 Infiniti M30 3.0 V6 GAS
Normal Service
Service as req...
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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 -> Check Suspension Warning Lamp ->
Vehicle: 1991 Infiniti M30 3.0 V6 GAS
This lamp may indicate a malfunction in the auto-leveling suspension. After diagnosis and rep...
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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+.
 EFI Harness Diagram for 1991 Infiniti M30 3.0 V6 GASComponents on diagram: |
 Automatic Transmission Component Location Diagram for 1991 Infiniti M30 3.0 V6 GASComponents on diagram: |
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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 DiagramComponents on diagram: |
 1991 Infiniti M30 3.0 V6 GAS Wiring DiagramComponents on diagram: |
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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+.
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Document: A/C System O-Ring Seal Leaks Vehicle: 1991 Infiniti M30 3.0 V6 GAS Auto Systems: |
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Document: Windshield Cracking Vehicle: 1991 Infiniti M30 3.0 V6 GAS Auto Systems: |
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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
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