Buick Encore Owners & Service Manuals

Buick Encore:  Engine Performance Safety Precautions

Buick Encore 2012-2019 Service Manual / General Information & Maintenance /  Engine Performance Safety Precautions

  • Always refer to Emission Decal in engine compartment before servicing vehicle. If manual and decal differ, always use decal specifications.
  • Do not allow or create a condition of misfire in more than one cylinder for an extended period of time.
  • Damage to converter may occur due to loading converter with unburned air/fuel mixture.
  • Always turn ignition off and disconnect negative battery cable BEFORE disconnecting or connecting computer or other electrical components.
  • DO NOT drop or shock electrical components such as computer, airflow meter, etc.
  • DO NOT use fuel system cleaning compounds that are not recommended by the manufacturer. Damage to gaskets, diaphragm materials and catalytic converter may result.
  • Before performing a compression test or cranking engine using a remote starter switch, disconnect coil wire from distributor and secure it to a good engine ground, or disable ignition.
  • Before disconnecting any fuel system component, ensure fuel system pressure is released.
  • Use a shop towel to absorb any spilled fuel to prevent fire.
  • DO NOT create sparks or have an open flame near battery.
  • If any fuel system components such as hoses or clamps are replaced, ensure they are replaced with components designed for fuel system use.
  • Always reassemble throttle body components with new gaskets, "O" rings and seals.
  • If equipped with an inertia switch, DO NOT reset switch until fuel system has been inspected for leaks.

    Wear safety goggles when drilling or grinding.

  • Wear proper clothing which protects against chemicals and other hazards.

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    SCHEMATIC WIRING DIAGRAMS HVAC WIRING SCHEMATICS (ENCORE) Power, Ground, and Blower Motor Fig. 1: Power, Ground, and Blower Motor Compressor Controls Fig. 2: Compressor Controls Duct and Evaporator Temperature Sensors Fig. 3: Duct and Evaporator Temperature Sensors Mode and Temperature Control

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