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:
Where to Put the Restraint
According to accident statistics, children and infants are safer when properly
restrained in a child restraint system or infant restraint system secured in a rear
seating position.
Whenever possible, children aged 12 and under should be secured in a rear seating
position.
Never put a rear-fa ...
Water Outlet Replacement (LUV)
Removal Procedure
Drain the engine coolant system. Refer to Cooling System Draining and
Filling.
Remove the following:
Engine coolant air bleed hose (1)
Engine coolant temperature sensor (2) and connector clip (3)
Heated oxygen senso ...
Fuel Pressure Measurement
Special Tools
EN 34730?E1 Pressure Tester
For equivalent regional tools, refer to Special Tools
Warning: Gasoline or gasoline vapors are highly flammable. A fire
could occur if an ignition source is present. Never drain or store gasoline
or diesel fuel in an open con ...
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