Chevrolet Sonic manuals

Chevrolet Sonic Repair Manual: 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 movement is effected.

  1. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement.
  2. Inspect the throttle body bore and the throttle valve plate for deposits. You will need to open the throttle valve in order to inspect all surfaces.
  3. Clean the throttle body bore and the throttle valve plate using a clean shop towel with an appropriate cleaner.
  4. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement.
Throttle Body Heater Outlet Pipe Replacement (LUW)
Throttle Body Heater Outlet Pipe Replacement Callout Component Name Preliminary Procedure Drain the cooling system. Refer to Co ...

Throttle Body Installation
Install the throttle body (2) and a NEW throttle body seal ring (1). Caution: Refer to Fastener Caution. Install the 4 throttle body bolts (3) an ...

Other materials:

Camber Description
Camber is the tilting of the wheels from the vertical when viewed from the front of the vehicle. When the wheels tilt outward at the top, the camber is positive (+). When the wheel tilts inward at the top, the camber is negative (−). The amount of tilt is measured in degr ...

Battery Negative Cable Disconnection and Connection
Battery Negative Cable Disconnection and Connection Callout Component Name Preliminary Procedures Turn on the radio and record all of the radio pre-set stations. Ensure that all lamps and accessories are turned off. Tu ...

Airbag system
General information WARNING If you have not fastened your safety belt, you are in an incorrect seating position, or you are too close to the airbag system, the airbag system will not be able to protect you. This increases the risk of serious or fatal injuries. Make sure that every vehicle pa ...

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