Chevrolet Sonic manuals

Chevrolet Sonic Repair Manual: Intake Manifold Cleaning and Inspection


    Clean the intake manifold mating surfaces.
  1. Clean the intake manifold mating surfaces.
  2. Inspect the intake manifold (2) for damage.
  3. Inspect the intake manifold for cracks near metallic inserts.
  4. Inspect the crankcase ventilation passages in the intake manifold face for blockage.
  5. Warning:

    Wear safety glasses in order to avoid eye damage.

  6. Clean the crankcase ventilation passages with compressed air if necessary. Use a maximum of 172 kPa (25 psi) of air pressure.
  7. Clean the throttle body sealing surface (1).
  8. Clean the intake manifold to cylinder head sealing surface (3).
  9. Replace the intake manifold as necessary.
Intake Manifold Assemble (1.8L LUW and LWE)
Install the 4 NEW multiport fuel injector seals (4). Install the multiport fuel injection fuel rail (2) and the fuel injectors (3) to the intake manifold ( ...

Intake Manifold Disassemble
Remove the fuel injection rail ground cable nut (1). Remove the 2 fuel injection rail bolts (2). Remove the fuel injection fuel rail assembly (3). Remove the ...

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