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Volvo 780 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Volvo REPAIR SHOPS DON'T WANT YOU TO KNOW
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| 1987 |
Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about Volvo 780 car and truck
repair procedures including Volvo 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 Volvo 780 automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR Volvo 780 AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported Volvo 780 cars and light trucks from 1990+
Air Bag System Precautions -> Volvo -> Arming
Vehicle: 1991 Volvo 780 2.3 L4 GAS
- Turn ignition On.
- Ensure no one is inside vehicle.
- Close vehicle windows and doors.
- Connect battery ground cable.
- Connect other grounds to battery.
- Observe SRS indicator lamp on instr...
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BRAKE SERVICE PROCEDURES FOR Volvo 780 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported Volvo 780 cars and light trucks from 1990+.
VOLVO, ANTI-LOCK BRAKES -> DIAGNOSIS & TESTING -> COMPONENT FAULT TRACING
Vehicle: 1991 Volvo 780 2.3 L4 GAS
The control unit contains a monitoring circuit to detect any internal faults in the control unit and any electrical faults in the sensors, hydraulic modulator or signaling system.
If a fault occurs, the control unit disengages the ABS and illuminates a warning light. When the warning light comes on, a complete fault tracing procedure should be followed. The fault tracing procedure assumes that the standard braking system is fully operational.
COMPONENT FAULT TRACING
All procedures must be completed to avoid damaging the control unit.
Refer to Figs through when performing the f...
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FUEL FILTER REPLACEMENT PROCEDURES FOR Volvo 780 AUTOMOBILES
Fuel filter replacement procedures with corresponding images for most domestic and imported Volvo 780 cars and light trucks sold in the U.S. for 1980+.
Volvo -> Fuel Filter Scheduled Maintenance -> 1986-95 -> Normal Service -> Severe Service
Vehicle: 1990 Volvo 780 2.3 L4 GAS
Normal Service
Replace every 60,000 m...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR Volvo 780 AUTOMOBILES
Includes CV axle, universal joint, and driveline replacement, for domestic and imported Volvo 780 cars and light trucks from 1990+.
DRIVESHAFT, Replace
Vehicle: 1990 Volvo 780 2.3 L4 GAS
- Raise and support vehicle.
- Remove center support bearing.
- Disconnect driveshaft from transmission coupling flange.
- Remove rubber boot, put bearing cage in a v block and press out driveshaft.
- Check to see if the bearin...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR Volvo 780 AUTOMOBILES
Includes starter and alternator replacement procedures for domestic and imported Volvo 780 cars and light trucks from 1990+.
Starter, Replace
Vehicle: 1990 Volvo 780 2.8 V6 GAS
- Remove hose and pipe for charge air cooler.
- Remove splash guard.
- Remove power cable and antenna from starter motor.
- ...
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MAINTENANCE LAMP RESET PROCEDURES FOR Volvo 780 AUTOMOBILES
Maintenance lamp reset procedures with corresponding images for most domestic and imported Volvo 780 cars and light trucks sold in the U.S. from 1990+.
Volvo -> Anti-Lock Brake System (ABS)/Dynamic Stability & Traction Control (DSTC)/Stability Traction Control (STC) Warning Lamp ->
Vehicle: 1990 Volvo 780 2.3 L4 GAS
The warning lamp is used to warn of an system fault. The lamp input monitors the condition of the system. The lamp will be lit during engine start-up, but should go out when the self-diagnostic sy...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR Volvo 780 AUTOMOBILES
Includes radiator, cooling and heater hose replacement procedures for domestic and imported Volvo 780 cars and light trucks from 1990+
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 1990 Volvo 780 2.8 V6 GAS
Inlet
- Drain coolant into a suitable container.
- Reposition inlet hose clamp at radiator and remove hose.
- Reposition inlet hose clamp at cylinder head and remove hose.
- Remove hose from vehicle.
- Reverse procedure to ...
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COMPONENT LOCATION DIAGRAMS FOR Volvo 780 AUTOMOBILES
Component location diagrams for most Volvo 780 cars and light trucks sold in the U.S. from 1990+.
 Cruise Control System Components Diagram for 1989 Volvo 780 2.3 L4 GASComponents on diagram: |
 LH-Jetronic Fuel Injection, 2.2 Components Diagram for 1989 Volvo 780 2.3 L4 GASComponents on diagram: |
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WIRING DIAGRAMS FOR Volvo 780 AUTOMOBILES
OEM drawn wiring diagrams for most Volvo 780 cars and light trucks sold in the U.S.
 1990 Volvo 780 2.3 L4 GAS Wiring DiagramComponents on diagram: |
 1991 Volvo 780 2.3 L4 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR Volvo 780 AUTOMOBILES
OEM TSB listings for most Volvo 780 cars and light trucks sold in the U.S. from 1985+.
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Document: CANADIAN / US MARKET PRIVATE IMPORTATION Vehicle: 1987 Volvo 780 2.8 V6 GAS Auto Systems: |
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Document: RADIO INTERFERENCE SUPRESSION - IGNITION SYS - KIT Vehicle: 1988 Volvo 780 2.8 V6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR Volvo 780 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most Volvo 780 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 Volvo 780 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 Volvo 780 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 Volvo 780 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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