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:

Parking Brake
To set the parking brake, hold the brake pedal down and pull up on the parking brake lever. If the ignition is on, the brake system warning light will come on. See Brake System Warning Light. To release the parking brake, hold the brake pedal down. Pull the parking brake lever up until you ...

Wireless Communication Interface Antenna Replacement
Wireless Communication Interface Antenna Replacement Callout Component Name Preliminary Procedure Remove the communication interface module. Refer to Communication Interface Module Replacement 1 ...

Evaporative Emission Canister Replacement (Steel Tank)
Removal Procedure Remove the evaporative emission canister bracket fasteners (1). Disconnect the purge solenoid valve electrical connector (1). Disconnect the evaporative emission canister vent hose (2). Disconnect the evaporative emission c ...

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