1991 Volvo 940 REPAIR MANUAL -- HOW TO FIX YOUR CAR OR TRUCK

A/C & HEATER SERVICE PROCEDURES FOR 1991 Volvo 940 AUTOMOBILES

Volvo -> Automatic Climate Control (ACC) System Diagnosis & Testing -> A/C COMPONENT DIAGNOSIS & TESTING -> AMBIENT SENSOR -> COMPRESSOR DELAY RELAY -> FAN RELAY -> IN-CAR SENSOR -> TEMPERATURE SENSOR -> THERMAL SWITCH
Vehicle: 1991 Volvo 940 2.3 L4 GAS

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BRAKE SERVICE PROCEDURES FOR 1991 Volvo 940 AUTOMOBILES

VOLVO, ANTI-LOCK BRAKES -> DIAGNOSIS & TESTING -> COMPONENT FAULT TRACING
Vehicle: 1991 Volvo 940 SE 2.3 L4 GAS

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FUEL FILTER REPLACEMENT PROCEDURES FOR 1991 Volvo 940 AUTOMOBILES

Volvo -> Component Locations -> 1998 Volvo S90, V90, 1983-93 240, 1980-84 260, 1985-92 740, 1983-90 760, 1987-90 780 & 1991-97 940 & 960
Vehicle: 1991 Volvo 940 2.3 L4 GAS

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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1991 Volvo 940 AUTOMOBILES

DRIVESHAFT, Replace
Vehicle: 1991 Volvo 940 2.3 L4 GAS

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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1991 Volvo 940 AUTOMOBILES

Alternator, Replace -> With A/C -> Without A/C
Vehicle: 1991 Volvo 940 SE 2.3 L4 GAS

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MAINTENANCE LAMP RESET PROCEDURES FOR 1991 Volvo 940 AUTOMOBILES

Volvo -> Service Indicator Lamp -> 1991-95 940
Vehicle: 1991 Volvo 940 SE 2.3 L4 GAS

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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1991 Volvo 940 AUTOMOBILES

Radiator, Replace
Vehicle: 1991 Volvo 940 2.3 L4 GAS

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SERPENTINE BELT SERVICE PROCEDURES FOR 1991 Volvo 940 AUTOMOBILES

Serpentine Drive Belt, Replace
Vehicle: 1991 Volvo 940 2.3 L4 GAS

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COMPONENT LOCATION DIAGRAMS FOR 1991 Volvo 940 AUTOMOBILES

Component location diagrams for most 1991 Volvo 940 cars and light trucks sold in the U.S. from 1990+.

Diagnostic Unit Components Diagram for 1991 Volvo 940 2.3 L4 GAS Components on diagram: Cruise Control Unit Ignition System Control Unit Regina Control Unit LH Jetronic Control Unit Anti-Lock Brake System Control Unit

Central Locking Components Diagram for 1991 Volvo 940 SE 2.3 L4 GAS Components on diagram: Shift Lock Relay Ignition Lock Central Locking Relay Central Locking Motor Lock Button Switch

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WIRING DIAGRAMS FOR 1991 Volvo 940 AUTOMOBILES

OEM drawn wiring diagrams for most 1991 Volvo 940 cars and light trucks sold in the U.S.

1991 Volvo 940 2.3 L4 GAS Wiring Diagram Components on diagram: Symbol Identification

1991 Volvo 940 GLE 2.3 L4 GAS Wiring Diagram Components on diagram: Ignition Switch Passenger Heated Seat Switch Heated Rear Window Passenger Heated Door Mirror

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TECHNICAL SERVICE BULLETINS FOR 1991 Volvo 940 AUTOMOBILES

OEM TSB listings for most 1991 Volvo 940 cars and light trucks sold in the U.S. from 1985+.

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COMPONENT/PARTS SPECIFICATIONS FOR 1991 Volvo 940 AUTOMOBILES

BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1991 Volvo 940 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 Volvo 940 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 Volvo 940 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 Volvo 940 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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