Chevrolet Sonic Repair Manual: Throttle Body Assembly Replacement
- Removal Procedure
-
- Disconnect the throttle body wiring harness connector.
- Remove the charge air cooler outlet air hose from the throttle body. Refer to Charge Air Cooler Outlet Air Hose Replacement.
- Remove the 4 throttle body fasteners (3).
- Remove the throttle body (2) along with the throttle body seal ring (1).
- Installation Procedure
-
- Install the throttle fasteners (2) along with a NEW throttle body seal ring (1).
- Install the 4 throttle body fastener (3) and tighten
to 8 Y (71 lb in)
.
- Install the charge air cooler outlet air hose to the throttle body. Refer to Charge Air Cooler Outlet Air Hose Replacement.
- Connect the throttle body wiring harness connector.
Caution:
Refer to Fastener Caution.
Throttle Body Assembly Removal
Remove the 4 throttle body bolts (2).
Remove the throttle body (1).
Remove the throttle body seal.
...
Throttle Body Heater Inlet Hose Replacement (LUW)
Throttle Body Heater Inlet Hose Replacement
Callout
Component Name
Preliminary Procedure
Remove the air cleaner outlet duct. Refer ...
Other materials:
Replacing Engine Gaskets
Gasket Reuse and Applying Sealants
Do not reuse any gasket unless specified.
Gaskets that can be reused will be identified in the service procedure.
Do not apply sealant to any gasket or sealing surface unless called
out in the service information.
Separating ...
Ignition and Start Switch Replacement
Ignition and Start Switch Replacement
Callout
Component Name
Preliminary Procedures
Disconnect the battery negative cable. Refer to Battery Negative
Cable Disconnection and Connection.
Remove the ignition and start switch ...
Knock Sensor System Description
Circuit/System Description
The knock sensor system enables the engine control module (ECM) to control
the ignition timing for the best possible performance while protecting the engine
from potentially damaging levels of detonation. The ECM uses the knock sensor
system to test for ...
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