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 Compartment Overview
1.4L L4 Engine
1. Engine Air Cleaner/Filter.
2. Engine Oil Dipstick. See Engine Oil.
3. Engine Cooling Fan (Out of View). See Cooling System.
4. Engine Oil Fill Cap. See Engine Oil.
5. Engine Coolant Surge Tank and Pressure Cap. See Cooling System.
6. Brake/Clutch Fluid Reservoir. See Brakes ...
Underbody Rear Side Rail Extension Replacement
Removal Procedure
Warning: Refer to Approved Equipment for Collision Repair
Warning.
Warning: Refer to Glass and Sheet Metal Handling Warning.
Disable the SIR System. Refer to SIR Disabling and Enabling.
Disconnect the negative battery cable. Refer ...
Heated Oxygen and Oxygen Sensor Caution
Caution: Do not remove the pigtail from either the heated oxygen sensor
(HO2S) or the oxygen sensor (O2S). Removing the pigtail or the connector will
affect sensor operation.
Handle the oxygen sensor carefully. Do not drop the HO2S. Keep the in-line
electrical connector and the louver ...
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