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1991 Volkswagen Corrado CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Volkswagen 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 Volkswagen Corrado car and truck
repair procedures including Volkswagen 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 Volkswagen Corrado automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 1991 Volkswagen Corrado AUTOMOBILES
Volkswagen -> Diagnosis & Testing -> A/C SYSTEM DIAGNOSIS & TESTING -> A/C SYSTEM PERFORMANCE CHECK -> AIR DISTRIBUTION DIAGNOSIS -> BLOWER MOTOR DIAGNOSIS -> Cabriolet -> CORRADO & PASSAT -> GOLF, GTI & JETTA -> High Pressure Check -> Lefthand Vent Temperature To Ambient Temperature -> Low Pressure Check -> Models w/Air Conditioning -> TEMPERATURE SELECTION DIAGNOSIS -> Test Preparations -> VACUUM SYSTEM DIAGNOSIS
Vehicle: 1991 Volkswagen Corrado 1.8 L4 GAS
A/C SYSTEM PERFORMANCE CHECK
CABRIOLET
- Connect gauge and manifold set.
- Connect tachometer and set engine speed at 2500 RPM.
- Insert thermometer fully in lefthand fresh air vent and close all other outlets.
- Set controls at maximum cooling and maximum fan speed.
- With all doors, windows and sunroof closed, park vehicle out of direct sunlight.
- Read pressures with compressor on and engine running at 2500 RPM.
- Compare readings to specifications. Low pressure gauge reading is dependent on evaporator temperature, ...
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BRAKE SERVICE PROCEDURES FOR 1991 Volkswagen Corrado AUTOMOBILES
DRUM BRAKES -> Type 1 -> ADJUSTMENTS -> EXCEPT GOLF, GTI & JETTA MODELS -> GOLF, GTI & JETTA MODELS -> PARKING BRAKE CABLE
Vehicle: 1991 Volkswagen Corrado 1.8 L4 GAS
PARKING BRAKE CABLE
EXCEPT GOLF, GTI & JETTA MODELS
- On Fox models, remove heat deflector plate.
- On all models, apply brake pedal firmly once, then pull parking brake lever to second tooth.
- Tighten adjusting nuts until neither rear wheel can be turned by hand.
- Release parking brake and ensure that wheels rotate fre...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1991 Volkswagen Corrado AUTOMOBILES
Volkswagen -> Fuel Filter Scheduled Maintenance -> 1990-06 Models w/Gasoline Engines -> Normal Service -> Severe Service
Vehicle: 1991 Volkswagen Corrado 1.8 L4 GAS
Normal Service
Se...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1991 Volkswagen Corrado AUTOMOBILES
DRIVESHAFT, Replace
Vehicle: 1991 Volkswagen Corrado 1.8 L4 GAS
- With vehicle on ground, remove drive axle retaining nut from wheel assembly.
- Raise and support vehicle, then remove wheel.
- Mark position of bolts attaching ball joints to control arms, then remove bolts and separate ball joint from control arm.
- Remove drive axle to tra...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1991 Volkswagen Corrado AUTOMOBILES
Starter, Replace
Vehicle: 1991 Volkswagen Corrado 1.8 L4 GAS
- Disconnect battery ground cable at battery.
- Remove black plastic cap and connector from solenoid.
- Unlatch connector at solenoid terminal 50 and disconnect.
- Remove nut securing wiring to solenoid...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1991 Volkswagen Corrado AUTOMOBILES
Volkswagen -> Malfunction Indicator Lamp -> -> Digifant & Digifant II -> Digifant I -> OBD ll
Vehicle: 1991 Volkswagen Corrado 1.8 L4 GAS
OBD ll
If faults are recognized and verified by the engine control module, they will be indicated by switching on the MIL. Perform the functional inspection as follows: Turn the ignition switch to the ON position. The MIL must light up if the MIL does not light with the ignition switch on, inspect the bulb and/or locate and eliminate short or open in wiring circuit from the engine control module to MIL using a proper wiring diagram. If no fault can be detected in the wiring the ECM may be faulty. If the MIL lights with the ignition switch on, start engine and run at idle speed the MIL must go o...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1991 Volkswagen Corrado AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 1991 Volkswagen Corrado 1.8 L4 GAS
Inlet
- Drain coolant into a suitable container.
- Reposition hose clamp at heater core and remove hose.
- Reposition hose clamp at coolant connection and remove hose.
- Remove hose from vehicle.
- Reverse procedure t...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1991 Volkswagen Corrado AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1991 Volkswagen Corrado 1.8 L4 GAS
- Rotate or lift the belt tensioner arm, using a suitable tool to relieve tension from dr...
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COMPONENT LOCATION DIAGRAMS FOR 1991 Volkswagen Corrado AUTOMOBILES
Component location diagrams for most 1991 Volkswagen Corrado cars and light trucks sold in the U.S. from 1990+.
 Fuse/Relay Panel Diagram for 1991 Volkswagen Corrado 1.8 L4 GASComponents on diagram: |
 Engine Compartment Component Locations Diagram for 1991 Volkswagen Corrado 1.8 L4 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 1991 Volkswagen Corrado AUTOMOBILES
OEM drawn wiring diagrams for most 1991 Volkswagen Corrado cars and light trucks sold in the U.S.
 1991 Volkswagen Corrado 1.8 L4 GAS Wiring DiagramComponents on diagram: |
 1991 Volkswagen Corrado 1.8 L4 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1991 Volkswagen Corrado AUTOMOBILES
OEM TSB listings for most 1991 Volkswagen Corrado cars and light trucks sold in the U.S. from 1985+.
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Document: BATTERY, DISCHARGED, DIAGNOSIS FOR EXCESSIVE STATIC CURRENT DRAW - REVISED Vehicle: 1991 Volkswagen Corrado 1.8 L4 GAS Symptoms: |
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Document: EXHAUST HEAT SHIELD, REPLACEMENT GUIDELINES - REVISED Vehicle: 1991 Volkswagen Corrado 1.8 L4 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1991 Volkswagen Corrado AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1991 Volkswagen Corrado 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 Volkswagen Corrado 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 Volkswagen Corrado 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 Volkswagen Corrado 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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