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1991 Acura Legend CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Acura 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 Acura Legend car and truck
repair procedures including Acura 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 Acura Legend automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 1991 Acura Legend AUTOMOBILES
Imported Cars & Light Trucks & Vans -> 1991-92 -> Precautions -> Cleanliness -> General Service -> Safety
Vehicle: 1991 Acura Legend L 3.2 V6 GAS
Safety
The Freon refrigerant used in car air conditioners is also known as R-12. It is colorless and odorless both as a gas and a liquid. Since it boils (vaporizes) at -21.7°F, it will usually be in a vapor state when being handled in a repair shop. But if a portion of the liquid coolant should come in contact with the hands or face, note that its temperature momentarily will be at least 22° below zero.
Protective goggles should be worn when opening any refrigerant lines. If liquid coolant does touch the eyes, bathe the eyes quickly in cold water. Then apply a bland ...
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BRAKE SERVICE PROCEDURES FOR 1991 Acura Legend AUTOMOBILES
ACURA, HYDRAULIC BRAKE SYSTEMS -> SPECIFICATIONS
Vehicle: 1991 Acura Legend LS 3.2 V6 GAS
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1991 Acura Legend AUTOMOBILES
Acura -> Fuel Filter Replacement -> Integra, Legend, NSX, Vigor, 2.5TL, 3.0CL & 3.5RL -> Fuel System Pressure Relief -> Removal & Installation
Vehicle: 1991 Acura Legend L 3.2 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 fuel spray.
After the battery has been disconnected and reconnected, some abnormal driveability symptoms may occur. The vehicle may need to be driven 10 miles or more to relearn its adaptive strategy.
Fuel System Pressure Relief
- Obtain the vehicle owner's radio ...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1991 Acura Legend AUTOMOBILES
CV AXLE SHAFT, Replace -> Driveshaft -> Intermediate shaft
Vehicle: 1991 Acura Legend 3.2 V6 GAS
Driveshaft
- Raise and support front of vehicle.
- Remove front wheel, then drain transaxle fluid into a suitable container. If removing left driveshaft only, it is not necessary to drain transaxle.
- Raise spindle nut lock tab and remove nut.
- Remove damper fork bolt and pinch bolt, then damper fork.
- Remove steering knuckle to lower control arm castellated nut cotter pin and nut.
- Separate lower control arm from steering knuckle using a suitable puller.
- Pull steering knuckle outward and tap driveshaft outboard joint from steering knuckle.
- Pry driveshaft out with a screwdriver to force s...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1991 Acura Legend AUTOMOBILES
Alternator, Replace
Vehicle: 1991 Acura Legend L 3.2 V6 GAS
- Disconnect battery ground cable at battery.
- Disconnect alternator connector from alternator.
- Remove terminal nut and WHT wire from B terminal.
- Remove harness holder and belt cover from alternator bracket.
- Loosen through bolt and adjusting bolt, and remove alternator mounting nut.
- Remove alternator belt from alternator...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1991 Acura Legend AUTOMOBILES
Acura -> Air Bag Warning Lamp ->
Vehicle: 1991 Acura Legend LS 3.2 V6 GAS
The air bag warning lamp will light for a few seconds when the ignition switch is placed in the on position as a bulb check. I...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1991 Acura Legend AUTOMOBILES
Radiator, Replace
Vehicle: 1991 Acura Legend 3.2 V6 GAS
- Drain engine coolant into a suitable container.
- Remove front engine compartment cover.
- Remove upper and lower radiator hoses, and ATF cooler hoses.
- Disconnect fan motor connectors and radiator fan control sensor connector.
- Remove engine compartment cover brackets and radiat...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1991 Acura Legend AUTOMOBILES
Serpentine Drive Belt, Replace -> Air Conditioning -> Alternator -> Power Steering
Vehicle: 1991 Acura Legend 3.2 V6 GAS
Alternator
- Disconnect battery ground cable from battery.
- Loosen upper mounting through bolt.
- Loosen adjustment lockbolt.
- Remove A/C compressor drive and alternator drive belt.
- Clean and inspect belt surfaces of all pulleys.
- Reverse procedure to install.
Air Conditioning
- Disconnect battery ground cable from battery.
- Loosen idler pulley center nut and adjusting bolt.
- Loosen lower mounting bolt and lower alternator mounting nut.
- Remove A/C compressor driv...
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COMPONENT LOCATION DIAGRAMS FOR 1991 Acura Legend AUTOMOBILES
Component location diagrams for most 1991 Acura Legend cars and light trucks sold in the U.S. from 1990+.
 Rear Interior Relays & Control Units Diagram for 1991 Acura Legend LS 3.2 V6 GASComponents on diagram: |
 Starting System Components Diagram for 1991 Acura Legend L 3.2 V6 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 1991 Acura Legend AUTOMOBILES
OEM drawn wiring diagrams for most 1991 Acura Legend cars and light trucks sold in the U.S.
 1991 Acura Legend LS 3.2 V6 GAS Wiring DiagramComponents on diagram: |
 1991 Acura Legend LS 3.2 V6 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1991 Acura Legend AUTOMOBILES
OEM TSB listings for most 1991 Acura Legend cars and light trucks sold in the U.S. from 1985+.
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Document: Battery Maintenance at Dealers Vehicle: 1991 Acura Legend 3.2 V6 GAS Auto Systems: |
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Document: Battery Maintenance at Dealers Vehicle: 1991 Acura Legend 3.2 V6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1991 Acura Legend AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1991 Acura Legend 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 Acura Legend 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 Acura Legend 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 Acura Legend 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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