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1991 Buick Park Avenue CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Buick 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 Buick Park Avenue car and truck repair procedures including Buick 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 Buick Park Avenue 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 Buick 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 Buick Park Avenue 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 Buick Park Avenue AUTOMOBILES

    A/C & Cooling System Maintenance -> General Motors Corp. -> 1990-2002 Buick Electra, LeSabre & Park Avenue, Oldsmobile Eighty-Eight, LSS, Ninety-Eight & Regency & Pontiac Bonneville
    Vehicle: 1991 Buick Park Avenue Ultra 3.8 V6 GAS

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    CLICK HERE TO GET FULL ACCESS TO 1991 Buick Park Avenue A/C & HEATER SERVICE PROCEDURES

    BRAKE SERVICE PROCEDURES FOR 1991 Buick Park Avenue AUTOMOBILES

    HYDRAULIC BRAKE SYSTEM, GENERAL MOTORS -> SYSTEM OPERATION -> Diagonally Split System -> DUAL MASTER CYLINDER -> Front & Rear Split System
    Vehicle: 1991 Buick Park Avenue Ultra 3.8 V6 GAS

    DUAL MASTER CYLINDER

    Front & Rear Split System

    When the brake pedal is depressed, both the primary (front brake) and the secondary (rear brake) master cylinder pistons are moved simultaneously to exert hydraulic fluid pressure on their respective systems,Figs. and .

    If the rear (secondary) brake system fails, initial brake pedal movement will cause the unrestricted secondary piston to bottom in the master cylinder bore. Primary piston movement will displace hydraulic fluid in the primary section of the master cylinder to actuate the front brake system.

    If the front (primary) brak...

    CLICK HERE TO GET FULL ACCESS TO 1991 Buick Park Avenue BRAKE SERVICE PROCEDURES

    FUEL FILTER REPLACEMENT PROCEDURES FOR 1991 Buick Park Avenue AUTOMOBILES

    General Motors Corp./Saturn Passenger Cars -> Fuel Pressure Relief -> Except Aveo, LaCrosse, LeMans (1988-93), Malibu & Malibu Maxx (2004-05), Metro, Nova, Prizm, Spectrum & Storm -> Engine Fuel Pressure Service Port -> Engines Less Fuel Pressure Service Port
    Vehicle: 1991 Buick Park Avenue Ultra 3.8 V6 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 vehicle relearns its adaptive strateg...

    CLICK HERE TO GET FULL ACCESS TO 1991 Buick Park Avenue FUEL FILTER REPLACEMENT PROCEDURES

    DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1991 Buick Park Avenue AUTOMOBILES

    CV AXLE SHAFT, Replace
    Vehicle: 1991 Buick Park Avenue 3.8 V6 GAS

    • Raise and support vehicle.
    • Mark position of shaft in relation to pinion flange for reassembly.
    • Remove straps securing universal joint to pinion flange, then disconnect shaft from flange. Tape bearing cups to universal joint to prevent loss of ne...

    CLICK HERE TO GET FULL ACCESS TO 1991 Buick Park Avenue DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES

    STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1991 Buick Park Avenue AUTOMOBILES

    Alternator, Replace
    Vehicle: 1991 Buick Park Avenue 3.8 V6 GAS

    • Disconnect battery ground cable.
    • Remove drive belt.
    • Remove alternator mounting bolts.
    • Disconnect connector from alternator.
    • Remove nut and B+ terminal from alternator.
    • Remove altern...

    CLICK HERE TO GET FULL ACCESS TO 1991 Buick Park Avenue STARTER & ALTERNATOR REPLACEMENT PROCEDURES

    MAINTENANCE LAMP RESET PROCEDURES FOR 1991 Buick Park Avenue AUTOMOBILES

    General Motors Corp./Saturn Cars -> Check Fuel Cap Lamp ->
    Vehicle: 1991 Buick Park Avenue Ultra 3.8 V6 GAS

    The Check Fuel Cap Lamp will illuminate momentarily when the ignition switch is placed in the on position as a bulb check. If...

    CLICK HERE TO GET FULL ACCESS TO 1991 Buick Park Avenue MAINTENANCE LAMP RESET PROCEDURES

    RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1991 Buick Park Avenue AUTOMOBILES

    Coolant Hose, Replace -> Lower -> Upper
    Vehicle: 1991 Buick Park Avenue Ultra 3.8 V6 GAS

    Lower

    • Drain cooling system into a suitable container.
    • Reposition hose clamp from radiator using hose clamp pliers.
    • Remove radiator outlet hose from radiator.
    • Reposition hose clamp from water pump housing using hose clamp pliers.
    • Remove radiator outlet hose from water pump housing and from vehicle.
    • Reverse procedure to i...

    CLICK HERE TO GET FULL ACCESS TO 1991 Buick Park Avenue RADIATOR & HOSE REPLACEMENT PROCEDURES

    SERPENTINE BELT SERVICE PROCEDURES FOR 1991 Buick Park Avenue AUTOMOBILES

    Serpentine Drive Belt, Replace
    Vehicle: 1991 Buick Park Avenue Ultra 3.8 V6 GAS

    • Rotate tensioner counterclockwise to remove the dri...

    CLICK HERE TO GET FULL ACCESS TO 1991 Buick Park Avenue SERPENTINE BELT SERVICE PROCEDURES

    COMPONENT LOCATION DIAGRAMS FOR 1991 Buick Park Avenue AUTOMOBILES

    Component location diagrams for most 1991 Buick Park Avenue cars and light trucks sold in the U.S. from 1990+.

    Front RH Side Of Engine Compartment Diagram for 1991 Buick Park Avenue  3.8 V6 GASFront RH Side Of Engine Compartment Diagram for 1991 Buick Park Avenue 3.8 V6 GAS

    Components on diagram:
  • Low Coolant Module
  • Rear RH Side Of Engine Diagram for 1991 Buick Park Avenue  3.8 V6 GASRear RH Side Of Engine Diagram for 1991 Buick Park Avenue 3.8 V6 GAS

    Components on diagram:
  • ALDL Connector
  • CLICK HERE TO GET FULL ACCESS TO 1991 Buick Park Avenue PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 1991 Buick Park Avenue AUTOMOBILES

    OEM drawn wiring diagrams for most 1991 Buick Park Avenue cars and light trucks sold in the U.S.

    1991 Buick Park Avenue  3.8 V6 GAS Wiring Diagram1991 Buick Park Avenue 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Retained Accessory Power Relay
  • ELC Relay
  • Bose Relay
  • Fuel Pump Relay
  • Interior Lights Relay
  • 1991 Buick Park Avenue  3.8 V6 GAS Wiring Diagram1991 Buick Park Avenue 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Wiper Motor Module
  • Wiper/Washer Switch
  • Washer Fluid Level Switch
  • Washer Motor
  • Washer Fluid Low Indicator
  • CLICK HERE TO GET FULL ACCESS TO 1991 Buick Park Avenue WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 1991 Buick Park Avenue AUTOMOBILES

    OEM TSB listings for most 1991 Buick Park Avenue cars and light trucks sold in the U.S. from 1985+.

    Document: Car and Truck Fix It Right the First Time Issues
    Vehicle: 1991 Buick Park Avenue 3.8 V6 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Document: GM TIRE WARRANTY PROGRAM CLAIMS GOODWILL GUIDELINES - REVISED
    Vehicle: 1991 Buick Park Avenue 3.8 V6 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Wheels, Tires, Wheel Bearings, Seals, Hubs
  • CLICK HERE TO GET FULL ACCESS TO 1991 Buick Park Avenue TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 1991 Buick Park Avenue AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1991 Buick Park Avenue 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 Buick Park Avenue 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 Buick Park Avenue 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 Buick Park Avenue 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 Buick Park Avenue SPECIFICATIONS DATA!

    Shop online for auto body parts, engines, wheels, lights...

    Click here to view more details about 1999 Buick Park Avenue Radiator1999 Buick Park Avenue Radiator, 30.5 x 15 x 0.62 in. core size, 1.31 in. inlet size, 1.56 in. outlet size, 2.25 x 16.5 in. top header, 2.25 x 16.5 in. bottom header, plastic tanks, top left inlet location, bottom right outlet location; A high quality, direct fit OE replacement radiator..

    Source: Auto Body Parts Store

    $160.20

    Click here to view more details1996 Buick Park Avenue Washer Pump, A high quality, direct fit OE replacement washer pump; With 2 years limited Trustbuilt warranty..

    Source: Auto Body Parts Store

    $14.69

    Click here to view more details about 2005 Buick Park Avenue Park/side Marker Lamp, Driver Side2005 Buick Park Avenue Park/side Marker Lamp, Driver Side, PARK/SIDE MARKER LAMP, LH , , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $28.98

    Click here to view more details1994 Buick Park Avenue V6, 3.8 L, 231 CID Rebuilt Engine, FWD, 3800, balance shaft, roller cam, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,842.00

    Click here to view more details1992 Buick Park Avenue Used Suspension Compressor/Pump, AIR COMPRESSOR, 22062531, Very Good.

    Source: Used Auto Parts Store

    $163.00

    Click here to view more details2000 Buick Park Avenue Used Harmonic Balancer, (3.8L), VIN K, Very Good.

    Source: Used Auto Parts Store

    $127.00
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