Chevrolet Sonic Repair Manual: Engine Block Disassemble
- Remove the cylinder head locating (1, 2).
- Remove the oil pressure switch (1).
- Remove the knock sensor bolt (2) and the knock sensor (1).
- Clean the thread.
- Remove the oil flow check valve (1).
- Remove the oil pressure relief valve closure bolt (1) and the oil pressure relief valve.
- Remove the piston (1) and spring (2) from the oil pressure relief valve closure bolt (3).
- Clean and inspect the components. Refer to Engine Block Cleaning and Inspection.
- Clean the thread.
- Remove the 4 piston oil nozzles (1).
Engine Block Assemble
Install the 4 piston oil nozzles (1).
Caution: Refer to Fastener Caution.
Install the 4 piston oil nozzle bolts (2) and tighten to 25 Y ...
Engine Block Cleaning and Inspection
Special Tools
EN-8087 Cylinder Gauge
For equivalent regional tools, refer to Special Tools.
Clean the sealing material from the gasket mating surfaces (2).
Clean the engine blo ...
Other materials:
Front Wheelhouse Liner Inner Front Extension Replacement (Right SIde, LWE, LUW)
Front Wheelhouse Liner Inner Front Extension Replacement
Callout
Component Name
Preliminary Procedure
Remove the tire and wheel assembly. Refer to Tire and Wheel Removal
and Installation.
Remove the front fascia opening l ...
Sunroof Air Deflector Replacement
Sunroof Air Deflector Replacement
Callout
Component Name
Preliminary Procedure
Remove the sunroof module. Refer to Sunroof Module Assembly Replacement.
1
Sunroof Air Deflector
Tip: Cycle ...
Throttle Actuator Control (TAC) System Description
acceleratorpedalassemblyi/pappsensor1appsensor2ignitionvoltage(ifequipped)cruisecontrolswitch(ifequipped)(ifequipped)throttlebodybcmtpsensor1tpsensorreducedenginepowerlampthrottleactuatormotor
The engine control module (ECM) is the control center for the throttle actuator
control (TAC) system. ...
0.0079