Chevrolet Sonic Repair Manual: Throttle Body Inspection and Cleaning

Chevrolet Sonic Repair Manual / Powertrain / Internal Combustion Powertrain Control / Engine Control / Air Metering/Acceleration / 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.

Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement.
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.
Clean the throttle body bore and the throttle valve plate using a clean shop towel with an appropriate cleaner.
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:

Instrument Panel Compartment Door Dampener Replacement
Instrument Panel Compartment Door Dampener Replacement Callout Component Name Preliminary Procedure Remove the instrument panel lower compartment. Refer to Instrument Panel Lower Compartment Replacement. 1 ...

Power Windows Description and Operation
Power Window System Components The power window system consists of the following components: Driver window switch Front passenger window switch Left rear window switch Right rear window switch Window regulator motors in each of the doors Body control module ...

Instrument Panel Tie Bar Replacement
Removal Procedure Remove the Instrument panel assembly. Refer to Instrument Panel Assembly Replacement. Remove the steering column and wheel from the vehicle. Refer to Steering Column Replacement. Remove the air inlet grill panel. Refer to Air Inlet Grille Panel Replacem ...

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