Chevrolet Sonic Repair Manual: Transmission Disassemble (Gen 2)
Special Tools
- 3-9506289 Universal Adapter
- R-0007758 Holding Fixture
- S-9407198 Differential Bearing Race Wrench
For equivalent regional tools, refer to Special Tools.
- Attach R-0007758 holding fixture (2) to the transmission.
- Attach R-0007758 holding fixture (2) with transmission to the 3-9506289 Universal Adapter (1).
- Remove the clutch release bearing (1).
- Remove the clutch fork shaft retaining bolt (2).
- Remove the clutch fork shaft (1).
- Remove the transmission control lever housing bolts (1).
- Remove the control lever housing (2) and gasket (3).
- Remove the transmission cover bolts (3).
- Remove the transmission cover (2) and gasket (1).
- Remove the back up lamp switch (1).
- Remove the transmission case bolts (3).
- Remove the transmission case (2) and gasket (1).
- Remove the case magnet (4), may stay with case.
- Remove the reverse gear shaft snap ring (6) if equipped.
- Remove the reverse idler gear washer (5), may stay on the reverse idler gear shaft.
- Mark the differential bearing adjuster and case (1) before removal.
- Remove the differential bearing adjuster lock bolt (1).
- Remove the differential bearing adjuster lock (2).
- Using S-9407198 differential bearing race wrench remove the front differential bearing adjuster (1).
- Remove the front differential bearing retainer O-ring seal (2).
- Remove the front differential carrier cover bolts (1).
- Remove the differential carrier cover (2) and gasket (3).
- Remove the front differential carrier (1).
Note:
The reverse gear shaft snap ring (6) MUST be installed even if not originally equipped to prevent shifting issues caused by incorrect assembly or parts not in position.
Transmission Disassemble (Gen 1)
Special Tools
3-9506289 Universal Adapter
R-0007758 Holding Fixture
S-9407198 Differential Bearing Race Wrench
For equivalent regional tools, refer to Special Tools.
Attach R-0 ...
Transmission Fluid Drain and Fill
Draining Procedure
Note:
The fluid check bolt at the front of the transmission may not be
opened.
The transmission fluid drained out during the pre-delivery inspection
...
Other materials:
Hydraulic Brake System Flushing
Warning: Refer to Brake Fluid Irritant Warning.
Caution: Refer to Brake Fluid Effects on Paint and Electrical Components
Caution.
Inspect the brake fluid for the following conditions, indicating brake fluid
contamination:
Fluid separation, indicating 2 types of fl ...
Throttle/Idle Learn
Description
The engine control module (ECM) learns the airflow through the throttle body
to ensure the correct idle. The learned airflow values are stored within the
ECM. These values are learned to adjust for production variation and will continuously
learn during the life of the ...
Reverse (Gen 2)
When the gear selector lever is moved to the Reverse (R) position (from the Park
position) the normally-low 35R pressure control solenoid is commanded ON and the
following changes occur in the transmission? hydraulic and electrical systems:
3-5-Reverse Clutch Applies
Manual Valve
...
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