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1991 Chevrolet Lumina CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Chevrolet 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 Chevrolet Lumina car and truck
repair procedures including Chevrolet 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 Chevrolet Lumina automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 1991 Chevrolet Lumina AUTOMOBILES
A/C & Cooling System Maintenance -> General Motors Corp. -> 1990-2002 Buick Regal, Chevrolet Lumina & Monte Carlo, Oldsmobile Cutlass Supreme & Intrigue & Pontiac Grand Prix & 1997-2002 Buick Century & 2000-02 Impala
Vehicle: 1991 Chevrolet Lumina Euro 3.1 V6 GAS
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BRAKE SERVICE PROCEDURES FOR 1991 Chevrolet Lumina AUTOMOBILES
HYDRAULIC BRAKE SYSTEM, GENERAL MOTORS -> MASTER CYLINDER SERVICE -> Assembly -> CAST IRON TYPE -> COMPOSITE TYPE -> CORVETTE -> Disassembly -> EXCEPT CORVETTE -> Inspection
Vehicle: 1991 Chevrolet Lumina 2.5 L4 GAS
COMPOSITE TYPE
Refer toFigs. and when performing the following procedures.
EXCEPT CORVETTE
Disassembly
- Remove master cylinder from vehicle as follows:
- Disconnect and plug hydraulic lines.
- Remove two master cylinder attaching nuts, then the master cylinder.
- Remove reservoir cover and diaphragm. Discard old brake fluid in reservoir.
- Inspect cover and diaphragm. Replace if cut, cracked or deformed.
- Remove fluid level switch, if equipped.
- On models with compact master cylinder, remove proportioner valve assembly,Fig. .
- Depress primary piston and remove lock ring.
- Plug primary fluid ou...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1991 Chevrolet Lumina AUTOMOBILES
General Motors Corp./Saturn Passenger Cars -> Fuel Filter Replacement -> Except Aveo, Chevette 1.8L Diesel, Corvette, GTO, LaCrosse, Malibu (2004-06) & Malibu Maxx, Vibe, XLR, 2004-05 Corvette & 1998-2002 Metro & Prizm
Vehicle: 1991 Chevrolet Lumina 2.5 L4 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 driveability symptoms may occur. The vehicle may need to be driven while the v...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1991 Chevrolet Lumina AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 1991 Chevrolet Lumina 2.5 L4 GAS
- Raise and support vehicle, then remove tire and wheel assembly.
- Remove brake caliper and bracket assembly, then rotor.
- Remove four bolts holding hub/bearing assembly to knuckle.
- On models equipped with Anti-Lock Brake System (ABS), remove ABS sensor mounting bolt, then position sensor aside to avoid damage.
- On models equipped with 125C and HM-282 transaxles and right shaft of vehicles with 440-T4 transaxles, separate drive axle from transaxle using axle shaft remover tool No. J-3308, extension tool No. J-29794 and pulle...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1991 Chevrolet Lumina AUTOMOBILES
Starter, Replace -> Automatic Transaxle -> Manual Transaxle
Vehicle: 1991 Chevrolet Lumina Z34 3.4 V6 GAS
Manual Transaxle
- Disconnect battery ground cable.
- Remove air cleaner assembly.
- Raise and support vehicle.
- Place a suitable drain pan under vehicle and remove oil filter.
- Disconnect electrical connections from oil pressure sensor.
- Disconnect crank sensor wire from ignition module.
- Remove oil cooler adapter stud and set oil cooler aside.
- Disconnect starter electrical connections.
- Remove starter mounting bolts and starter.
- Reverse procedure to install, noting the following:
- Torque starter bolts to 32 ft. lbs.
Automatic Transaxle
- Disconnect battery ground cable.
- Remove air cleaner assembly.
- Raise...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1991 Chevrolet Lumina AUTOMOBILES
General Motors Corp./Saturn Cars -> Check Fuel Cap Lamp ->
Vehicle: 1991 Chevrolet Lumina 2.5 L4 GAS
The Check Fuel Cap Lamp will illuminate momentarily when the ignition switch is placed in the on position as a bulb check. If...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1991 Chevrolet Lumina AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 1991 Chevrolet Lumina Euro 3.1 V6 GAS
Lower
- Drain coolant into a suitable container.
- Loosen hose clamp connecting hose to radiator.
- Loosen hose clamp connecting hose to water pump inlet.
- Remove hose from vehicle.
- Reverse procedure t...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1991 Chevrolet Lumina AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1991 Chevrolet Lumina Euro 3.1 V6 GAS
- Remove belt guard.
- Lift or rotate tensioner usin...
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COMPONENT LOCATION DIAGRAMS FOR 1991 Chevrolet Lumina AUTOMOBILES
Component location diagrams for most 1991 Chevrolet Lumina cars and light trucks sold in the U.S. from 1990+.
 LH Rear Of Engine Diagram for 1991 Chevrolet Lumina Z34 3.4 V6 GASComponents on diagram: |
 Front Of Engine Diagram for 1991 Chevrolet Lumina Z34 3.4 V6 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 1991 Chevrolet Lumina AUTOMOBILES
OEM drawn wiring diagrams for most 1991 Chevrolet Lumina cars and light trucks sold in the U.S.
 1991 Chevrolet Lumina 3.1 V6 GAS Wiring DiagramComponents on diagram: |
 1991 Chevrolet Lumina 3.1 V6 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1991 Chevrolet Lumina AUTOMOBILES
OEM TSB listings for most 1991 Chevrolet Lumina cars and light trucks sold in the U.S. from 1985+.
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Document: Car and Truck Fix It Right the First Time Issues Vehicle: 1991 Chevrolet Lumina 2.5 L4 GAS Auto Systems: |
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Document: Air Conditioning Compressor Replacement - Diagnosis Vehicle: 1991 Chevrolet Lumina 2.5 L4 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1991 Chevrolet Lumina AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1991 Chevrolet Lumina 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 Chevrolet Lumina 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 Chevrolet Lumina 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 Chevrolet Lumina 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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