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1991 Volkswagen Passat CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Volkswagen REPAIR SHOPS DON'T WANT YOU TO KNOW

Learn how to repair a car or truck, install or remove parts, wire an engine, reset warning lights, replace fuel filter, fix auto body and more. Get Automotix DIY!

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    Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1991 Volkswagen Passat 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 Passat automobile. Try the Automotix DIY solution today!
    DIY REPAIR SAMPLES > CONTINUE EXPLORING >
    Using the Automotix DIY repair procedures will save you hundreds and even thousands of dollars! In addition, it will save you hours of touring the city searching for Volkswagen mechanics you can trust. The Automotix DIY solution is particularly affordable. A full access to the entire DIY repair procedures and diagrams for your 1991 Volkswagen Passat vehicle will cost less than a single gallon of gas. Here are some of the DIY repair tips and procedures you will find here:

    A/C & HEATER SERVICE PROCEDURES FOR 1991 Volkswagen Passat AUTOMOBILES

    Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Imported Vehicles
    Vehicle: 1991 Volkswagen Passat 2.0 L4 GAS

    [[table data]] [[table data]]

    CLICK HERE TO GET FULL ACCESS TO 1991 Volkswagen Passat A/C & HEATER SERVICE PROCEDURES

    BRAKE SERVICE PROCEDURES FOR 1991 Volkswagen Passat AUTOMOBILES

    DISC BRAKES -> Girling Single Piston w/Dual Mounting Bolts, Rear -> CALIPER SERVICE -> OVERHAUL
    Vehicle: 1991 Volkswagen Passat 2.0 L4 GAS

    OVERHAUL

    Refer to Fig. when overhauling caliper.

    • Secure caliper in a suitable soft-jawed vise, then remove piston from bore by turning counterclockwise with a 12 mm allen wrench on Corrado and Passat models or caliper tool 3131 or equivalent on models except Corrado and Passat.
    • Pry piston seals from groove, being careful...

    CLICK HERE TO GET FULL ACCESS TO 1991 Volkswagen Passat BRAKE SERVICE PROCEDURES

    FUEL FILTER REPLACEMENT PROCEDURES FOR 1991 Volkswagen Passat AUTOMOBILES

    Volkswagen -> Fuel Filter Replacement -> Gasoline Engines -> Models w/Fitting Or Union Bolt Connection -> Models w/Fuel Hose Connection
    Vehicle: 1991 Volkswagen Passat 2.0 L4 GAS

    Models w/Fuel Hose Connection

    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.

    After the battery has been disconnected and reconnected, some abnormal driveabilty symptoms may occur. The vehicle may need to be driven while the vehicle relearns its adaptive strategy.

    • Obtain the vehicle owners radio theft protection code prior to disconnecting the battery ground cable.
    • Disconnect the battery ground cable.
    • On models equipped with underbody moun...

    CLICK HERE TO GET FULL ACCESS TO 1991 Volkswagen Passat FUEL FILTER REPLACEMENT PROCEDURES

    DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1991 Volkswagen Passat AUTOMOBILES

    CV AXLE SHAFT, Replace
    Vehicle: 1991 Volkswagen Passat 2.0 L4 GAS

    • With vehicle on ground, remove drive axle retaining nut from wheel assembly.
    • Raise and support vehicle.
    • Remove drive axle to transmission drive flange attaching bolts.
    • Separate ball joint from whe...

    CLICK HERE TO GET FULL ACCESS TO 1991 Volkswagen Passat DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES

    STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1991 Volkswagen Passat AUTOMOBILES

    Alternator, Replace
    Vehicle: 1991 Volkswagen Passat GL 2.0 L4 GAS

    • Disconnect battery ground cable at battery.
    • Relieve tension on drive belt and remove drive belt.
    • Remove electrical connections from alternator.
    • Re...

    CLICK HERE TO GET FULL ACCESS TO 1991 Volkswagen Passat STARTER & ALTERNATOR REPLACEMENT PROCEDURES

    MAINTENANCE LAMP RESET PROCEDURES FOR 1991 Volkswagen Passat AUTOMOBILES

    Volkswagen -> Anti-Lock Brake System (ABS) Warning Lamp ->
    Vehicle: 1991 Volkswagen Passat GL 2.0 L4 GAS

    The anti-lock warning lamp is used to warn of an ABS 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-diag...

    CLICK HERE TO GET FULL ACCESS TO 1991 Volkswagen Passat MAINTENANCE LAMP RESET PROCEDURES

    RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1991 Volkswagen Passat AUTOMOBILES

    Coolant Hose, Replace -> Lower -> Upper
    Vehicle: 1991 Volkswagen Passat GL 2.0 L4 GAS

    Lower

    • Drain coolant into a suitable container.
    • Reposition hose clamp at radiator and remove hose.
    • Reposition hose clamp at coolant pipe and remove hose.
    • Remove hose from vehicle.
    • Reverse procedure ...

    CLICK HERE TO GET FULL ACCESS TO 1991 Volkswagen Passat RADIATOR & HOSE REPLACEMENT PROCEDURES

    SERPENTINE BELT SERVICE PROCEDURES FOR 1991 Volkswagen Passat AUTOMOBILES

    Serpentine Drive Belt, Replace
    Vehicle: 1991 Volkswagen Passat GL 2.0 L4 GAS

    • Rotate or lift the belt tensioner arm, using a suitable tool to relieve tension from dr...

    CLICK HERE TO GET FULL ACCESS TO 1991 Volkswagen Passat SERPENTINE BELT SERVICE PROCEDURES

    COMPONENT LOCATION DIAGRAMS FOR 1991 Volkswagen Passat AUTOMOBILES

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

    Engine Compartment Component Locations Diagram for 1991 Volkswagen Passat  2.0 L4 GASEngine Compartment Component Locations Diagram for 1991 Volkswagen Passat 2.0 L4 GAS

    Components on diagram:
  • Ignition Coil
  • CIS-E Motronic Control Unit
  • ignition Distributor w/Hall Sender
  • EGR Valve
  • Fuel Distributor
  • CLICK HERE TO GET FULL ACCESS TO 1991 Volkswagen Passat PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 1991 Volkswagen Passat AUTOMOBILES

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

    1991 Volkswagen Passat GL 2.0 L4 GAS Wiring Diagram1991 Volkswagen Passat GL 2.0 L4 GAS Wiring Diagram

    Components on diagram:
  • Cruise Control Unit
  • Cruise Control Switch
  • Cruise Control Vacuum Pump
  • Vacuum Vent Valve Clutch
  • 1991 Volkswagen Passat GL 2.0 L4 GAS Wiring Diagram1991 Volkswagen Passat GL 2.0 L4 GAS Wiring Diagram

    Components on diagram:
  • Headlamp Switch
  • Dimmer Switch
  • Hazard Flasher
  • Headlight- Right
  • Headlight- Left
  • CLICK HERE TO GET FULL ACCESS TO 1991 Volkswagen Passat WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 1991 Volkswagen Passat AUTOMOBILES

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

    Document: EXHAUST HEAT SHIELD, REPLACEMENT GUIDELINES - REVISED
    Vehicle: 1991 Volkswagen Passat GL 2.0 L4 GAS

    Auto Systems:
  • Exhaust System
  • Document: BATTERY, DISCHARGED, DIAGNOSIS FOR EXCESSIVE STATIC CURRENT DRAW - REVISED
    Vehicle: 1991 Volkswagen Passat GL 2.0 L4 GAS

    Symptoms:
  • Low, Dead Battery
  • Auto Systems:
  • Chassis Electrical, Wiring, Fuses & Breakers, Wipers, Motors
  • CLICK HERE TO GET FULL ACCESS TO 1991 Volkswagen Passat TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 1991 Volkswagen Passat AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1991 Volkswagen Passat 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 Passat 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 Passat 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 Passat 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

    CLICK HERE TO GET FULL ACCESS TO 1991 Volkswagen Passat SPECIFICATIONS DATA!

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