Chevrolet Sonic Repair Manual: Intake Manifold Cleaning and Inspection
- Clean the intake manifold mating surfaces.
- Inspect the intake manifold (2) for damage.
- Inspect the intake manifold for cracks near metallic inserts.
- Inspect the crankcase ventilation passages in the intake manifold face for blockage.
- Clean the crankcase ventilation passages with compressed air if necessary. Use a maximum of 172 kPa (25 psi) of air pressure.
- Clean the throttle body sealing surface (1).
- Clean the intake manifold to cylinder head sealing surface (3).
- Replace the intake manifold as necessary.
Warning:
Wear safety glasses in order to avoid eye damage.
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:
Front Hinge Pillar Body Sectioning
Removal Procedure
Warning: Refer to Approved Equipment for Collision Repair
Warning.
Warning: Refer to Collision Sectioning Warning.
Warning: Refer to Glass and Sheet Metal Handling Warning.
Disable the SIR system. Refer to SIR Disabling a ...
Ignition and Start Switch Replacement
Ignition and Start Switch Replacement
Callout
Component Name
Preliminary Procedures
Disconnect the battery negative cable. Refer to Battery Negative
Cable Disconnection and Connection.
Remove the ignition and start switch ...
Throttle Body Inspection and Cleaning
Note: Over extended time and mileage, deposits may accumulate on the
back of the throttle valve plate. The source of the deposit is exhaust gas.
Typically these deposits pose no problem. Occasionally the deposit may accumulate
to a point where perceived pedal effort or throttle valve mov ...
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