Chevrolet Sonic Repair Manual: Hydraulic Clutch System Bleeding
Warning:
Refer to Brake Fluid Irritant Warning.
Caution:
Brake fluid must not come in contact with mineral oils and greases. The smallest amount of such could lead to malfunction or breakdown of the clutch.
Caution:
Refer to Brake Fluid Effects on Paint and Electrical Components Caution.
Note:
The hydraulic clutch actuation must only be bled from "below", i.e. from the bleeder valve.
- Bleed pressure line between the clutch master cylinder and the clutch actuator cylinder using the following procedure:
- Remove the valve cap (3) from the bleeder valve.
- Fill brake fluid reservoir up to "MAX" marking.
- Press and hold clutch pedal.
- Open bleeder valve until air or air/brake fluid mixture emerges.
- Close the bleeder valve.
- Release the clutch pedal slowly.
- Wait approximately 5 seconds.
- Repeat this bleeding process 4 times.
- Tighten bleeder valve .
- Push valve cap on to bleeder valve to protect the bleeder valve.
- Check shifting for ease of movement with vehicle stationary, with engine running and with clutch disengaged.
- Road test the vehicle to ensure proper operation.
Undertake road test using varying RPM ranges and frequent gear changes, bring vehicle to operating temperature during this process. Ensure the brake and clutch system is operating correctly.
Note:
The following operational stages must be undertaken to fill the pressure line between the master cylinder and the clutch actuator cylinder. When bleeding, ensure that the brake fluid reservoir is always full and does not run dry.
Note:
Do not close the bleeder valve too fast.
Clutch System Description and Operation
Clutch Spin Down Time
Inspect the clutch spin down time as follows:
Apply the parking brake and block the vehicle wheels.
Shift the manual transmission into NEUTRAL.
Start the eng ...
Clutch Master Cylinder Replacement
Removal Procedure
Remove the battery tray. Refer to
Battery Tray Replacement.
Remove as much brake fluid out of brake fluid reservoir
as possible.
Remove the clutch ...
Other materials:
Tire Designations
Tire Size
The following is an example of a typical passenger vehicle tire size.
(1) Passenger (P-Metric) Tire: The United States version of a metric tire sizing
system. The letter P as the first character in the tire size means a passenger vehicle
tire engineered to standards set by the U.S. ...
Battery Inspection/Test
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this diagnostic
procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic approach.
Diagnostic Procedure Instructions provides an overview of each diagnostic
catego ...
Fuel Tank Filler Pipe Replacement
Removal Procedure
Remove the bracket fastener (1).
Lift and support the vehicle. Refer to Lifting and Jacking the Vehicle.
Remove the fuel tank filler pipe bracket fastener (1).
Disconnect the vent hose (2). Refer to Plastic Collar Quick C ...
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