Chevrolet Sonic Repair Manual: Case Porosity Repair
Some external leaks are caused by case porosity in non-pressurized areas.
- Thoroughly clean the area to be repaired with a cleaning solvent. Air dry the area.
- Using instructions from the manufacturer, mix a sufficient amount of an epoxy to make the repair.
- Apply the epoxy. A clean, dry soldering acid brush can be used to clean the area and also to apply the epoxy cement. Make certain that the area to be repaired is fully covered.
- Allow the epoxy cement to cure for three hours before assembling the components.
- Repeat the fluid leak diagnosis procedures.
Warning:
Epoxy adhesive may cause skin irritations and eye damage. Read and follow all information on the container label as provided by the manufacturer.
Other materials:
Engine Coolant Temperature Sensor Replacement (Water Outlet)
Engine Coolant Temperature Sensor Replacement
Callout
Component Name
Preliminary Procedure
Disconnect the negative battery cable. Refer to Battery Negative
Cable Disconnection and Connection.
Drain the cooling system. Ref ...
Spark Plug Inspection
Spark Plug Usage
Ensure that the correct spark plug is installed. An incorrect spark
plug causes driveability conditions.
Ensure that the spark plug has the correct heat range. An incorrect
heat range causes the following conditions:
Spark plug fouling—Colder plu ...
Fuel Feed Pipe Replacement
Removal Procedure
.-
Remove the fuel feed pressure sensor. Refer to Fuel Pressure Sensor
Replacement - Fuel Feed Pipe.
Disconnect the fuel feed pipe (1). Refer to Plastic Collar Quick Connect
Fitting Service.
Remove the plastic retainer (1) ...
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