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:
Flushing
Special Tools
BO 42220 Universal 12V Leak Detection Lamp
GE 41447 R-134A A/C Tracer Dye Box of 24
GE 45268 A/C Flush Adapter Kit
For equivalent regional tools, refer to Special Tools.
Note: Flushing with the ACR 2000 is not intended to remove metal from
the A/C ...
Fuel System Description
Fuel System Overview
The fuel system is an electronic returnless on-demand design. A returnless
fuel system reduces the internal temperature of the fuel tank by not returning
hot fuel from the engine to the fuel tank. Reducing the internal temperature
of the fuel tank results in lo ...
Torque Converter Removal
Torque Converter Removal
Callout
Component Name
1
Lock Pin
Warning: Lock pin must be secured into the bench fixture to
hold the transmission and prevent bodily injury.
Note: Ensure the DT ...
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