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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1990 Buick Reatta 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 1990 Buick Reatta automobile. Try the Automotix DIY solution today!
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COMPONENT LOCATION DIAGRAMS FOR 1990 Buick Reatta AUTOMOBILES

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

Below Tonneau Cover, Near RH Sheerwall  Diagram for 1990 Buick Reatta  3.8 V6 GASBelow Tonneau Cover, Near RH Sheerwall Diagram for 1990 Buick Reatta 3.8 V6 GAS

Components on diagram:
  • Tonneau Release Relay
  • Splice S415
  • Splice S328
  • Splice S440
  • Splice S441
  • Below Tonneau Cover, Center Of Rear Shelf  Diagram for 1990 Buick Reatta  3.8 V6 GASBelow Tonneau Cover, Center Of Rear Shelf Diagram for 1990 Buick Reatta 3.8 V6 GAS

    Components on diagram:
  • Keyless Entry Module
  • Grommet P404
  • Behind Center Of I/P  Diagram for 1990 Buick Reatta  3.8 V6 GASBehind Center Of I/P Diagram for 1990 Buick Reatta 3.8 V6 GAS

    Components on diagram:
  • Sunload Sensor
  • Twilight Photocell
  • Connector C218
  • Splice S252
  • LH Front Of Engine  Diagram for 1990 Buick Reatta  3.8 V6 GASLH Front Of Engine Diagram for 1990 Buick Reatta 3.8 V6 GAS

    Components on diagram:
  • Throttle Position Sensor
  • Fuel Pump Prime Connector
  • Cruise Control Servo
  • Under Rear Package Shelf  Diagram for 1990 Buick Reatta  3.8 V6 GASUnder Rear Package Shelf Diagram for 1990 Buick Reatta 3.8 V6 GAS

    Components on diagram:
  • Under Rear Package Shelf
  • Behind RH Side Of Steering Column  Diagram for 1990 Buick Reatta  3.8 V6 GASBehind RH Side Of Steering Column Diagram for 1990 Buick Reatta 3.8 V6 GAS

    Components on diagram:
  • Dual Sensor
  • Center Of Dash  Diagram for 1990 Buick Reatta  3.8 V6 GASCenter Of Dash Diagram for 1990 Buick Reatta 3.8 V6 GAS

    Components on diagram:
  • ABS Main Relay
  • Fuel Pump Relay
  • Brake Pump Relay
  • ABS Main Relay Fuse
  • Behind RH Side Of I/P, Near Shroud  Diagram for 1990 Buick Reatta  3.8 V6 GASBehind RH Side Of I/P, Near Shroud Diagram for 1990 Buick Reatta 3.8 V6 GAS

    Components on diagram:
  • Electronic Control Module
  • Connector C1
  • Connector C2
  • Connector C3
  • Splice S125
  • Lower Front Of Engine  Diagram for 1990 Buick Reatta  3.8 V6 GASLower Front Of Engine Diagram for 1990 Buick Reatta 3.8 V6 GAS

    Components on diagram:
  • Starter Solenoid
  • Oil Level Sensor
  • Splice S109
  • Splice S133
  • Splice S102
  • LH Side Of Engine Compartment  Diagram for 1990 Buick Reatta  3.8 V6 GASLH Side Of Engine Compartment Diagram for 1990 Buick Reatta 3.8 V6 GAS

    Components on diagram:
  • Cruise Control Servo
  • Vacuum Tank
  • Cruise Control Check Valve
  • CLICK HERE TO GET FULL ACCESS TO 1990 Buick Reatta PARTS/COMPONENTS LOCATION DIAGRAMS!

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

    Click here to view more details1991 Buick Reatta IAT Sensor, Pin type; 2-prong male terminal; A high quality, direct fit OE replacement coolant temperature sensor; With 2 years limited Trustbuilt warranty..

    Source: Auto Body Parts Store

    $14.70

    Click here to view more details1990 Buick Reatta Neutral Safety Switch, Blade type; 7-prong male terminal; A high quality, OE replacement neutral safety switch; With 1-year limited TruckEFX warranty..

    Source: Auto Body Parts Store

    $30.51

    Click here to view more details about 1991 Buick Reatta Wheel Center Cap1991 Buick Reatta Wheel Center Cap, WHEEL CENTER CAP, SILVER ACRYLIC , , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $23.50

    Click here to view more details1990 Buick Reatta V6, 3.8 L, 231 CID Rebuilt Engine, FWD, 3800, balance shaft, roller cam, with oil pump kit only., Warranty: 7-Year/70,000 Mile, .

    Source: Rebuilt Engines Store

    $1,747.00

    Click here to view more details1991 Buick Reatta Used Air Flow Meter/Sensor, 3.8, AUTO, FWD (6-231, 3.8L), Very Good.

    Source: Used Auto Parts Store

    $69.00

    Click here to view more details1991 Buick Reatta Used Engine Computer, Elec Cont Unit (ECU), Very Good.

    Source: Used Auto Parts Store

    $105.00
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