Chevrolet Sonic manuals

Chevrolet Sonic Repair Manual: Exhaust Manifold Installation

Chevrolet Sonic Repair Manual / Powertrain / Engine / Engine Block / Exhaust2 / Exhaust Manifold Installation


    Clean the exhaust manifold sealing surface.
  1. Clean the exhaust manifold sealing surface.
  2. Install a NEW exhaust manifold gasket (1) to the cylinder head.
  3. Caution:

    Refer to Fastener Caution.

    Caution:

    Refer to Torque-to-Yield Fastener Caution.

  4. Install the exhaust manifold (3) and tighten the NEW nuts (4) to 20 Y (15 lb ft)

    .

  5. Install the 2 exhaust manifold bracket bolts (2) to 20 Y (15 lb ft)

    .

Exhaust Manifold Heat Shield Replacement (LUW)
Catalytic Converter Heat Shield Replacement Callout Component Name Warning: Refer to Exhaust Service Warning. Prelimin ...

Exhaust Manifold Removal
Remove the 9 exhaust manifold nuts (4). Remove the 2 exhaust manifold bolts (2) Remove the exhaust manifold (3) and gasket (1). Clean all of the g ...

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The Secondary Air Injection System aids in the reduction of hydrocarbon exhaust emissions during a cold start. This occurs when the start-up engine coolant temperature (ECT) is between −10 to +56?C (14?33?F), the intake air temperature (IAT) is greater than −10?C (14?F) and it has ...

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