Chevrolet Sonic Repair Manual: Piston and Connecting Rod Disassemble
- Remove the piston with connection rod. Refer to Piston, Connecting Rod, and Bearing Removal.
- Detach the piston from the connection rod.
- Remove the retainer (1) from the piston eye.
- Press the piston pin out of the piston.
- Remove the piston rings, using piston ring pliers (1).
Remove oil carbon from the groove with a split piston ring, filed to a wedge-shape.
- Measure the piston ring gap.
Note:
Note installation position of the piston in respect of the connection rod.
Note:
Do not damage the bore.
- Tension the piston ring in the cylinder and measure the gap with a feeler gauge.
- Permissible ring gap:
- Rectangular compression ring (1): 0.20-0.40 mm (0.007-0.015 in)
- Tapered compression ring (2): 0.40-0.60 mm (0.015-0.023 in)
- Oil scraper ring (3): 0.25-0.75 mm (0.009-0.029 in)
Permissible vertical play:
- Rectangular compression ring (1): 0.04-0.08 mm (0.001-0.003 in)
- Tapered compression ring (2): 0.03-0.07 mm (0.001-0.002 in)
- Oil scraper ring (3): 0.03-0.13 mm (0.001-0.005 in)
Piston and Connecting Rod Assemble
Special Tools
EN-49941 Remover / Installer Piston Retainer Ring
For equivalent regional tools, refer to Special Tools.
Note: Lubricate the piston pin with clean engine oil.
In ...
Piston, Connecting Rod, and Bearing Cleaning and Inspection
Special Tools
EN-470-B Angular Torque Wrench
For equivalent regional tools, refer to Special Tools.
Visual Inspection And Cleaning Procedure
Connecting Rod
Warning: Wear safety gla ...
Other materials:
Roadside Assistance Program
For U.S.-purchased vehicles, call 1-800-243-8872; (Text Telephone (TTY): 1-888-889-2438).
For Canadian-purchased vehicles, call 1-800-268-6800.
Service is available 24 hours a day, 365 days a year.
Calling for Assistance
When calling Roadside Assistance, have the following information ready:
...
SIR Identification Views
The SIR Identification Views shown below illustrate the approximate location
of all SIR components available for the vehicle. This will assist in determining
the appropriate SIR Disabling and Enabling for a given service procedure, refer
to SIR Disabling and Enabling.
Supplemental Inf ...
Headlining Trim Panel Replacement (Sedan without Sunroof)
Headlining Trim Panel Replacement
Callout
Component Name
Warning: Do not attempt to repair or alter the head impact
energy-absorbing material glued to the headliner or to the garnish trims.
If the material is damaged ...
0.0062