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 ...

Other materials:

Ignition Lock Cylinder Replacement
Removal Procedure Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection. Remove the upper trim cover and the lower trim cover from the steering column. Refer to Steering Column Lower Trim Cover Replacement. Insert the k ...

Air Cleaner Inlet Duct Replacement
Removal Procedure Remove the right front wheelhouse liner. Refer to Front Wheelhouse Liner Replacement. Remove the upper intake air duct plastic fastener (1). Pull the lower portion of the intake air duct outward to release the duct from the rub ...

Timing Belt Upper Front Cover Installation
Install the timing belt upper front cover (1). Caution: Refer to Fastener Caution. Install the 2 timing belt upper front cover bolts (2) and tighten to  6 Y(53 lb in). ...

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