Chevrolet Sonic Repair Manual: Gears Cleaning and Inspection (Gen 2)
- Gears
-
- Clean the following gears in a suitable solvent and air dry all the parts.
Warning:
Wear safety glasses to avoid injury when using compressed air or any cleaning solvent. Bodily injury may occur if fumes are inhaled or if skin is exposed to chemicals.
- 1st Gear (1)
- 2nd Gear Assembly (4)
- 3rd Gear Assembly (3)
- 4th Gear Assembly (2)
- 5th Gear Assembly - Driven (5)
- 5th Gear - Driving (6)
- Inspect the gear tooth surfaces on all the gears for the following conditions:
- Cracks
- Pitting
- Nicks
- Chipped gear teeth
- High spots ?small shiny spots on the gear teeth mating surfaces
- Input Shaft
-
- Clean the input shaft (1) in a suitable solvent.
- Clean and air dry the oil gallery.
- Inspect the input shaft bearing surfaces for the following conditions:
- Wear
- Lack of lubricant
- Debris embedded in the oil grooves
- Brinelling
- Inspect the input shaft splines for wear or damage.
- Replace the input shaft if any of the above conditions are found.
- Main Shaft
-
- Clean the main shaft (1) in a suitable solvent.
- Clean and air dry the oil gallery.
- Inspect the main shaft bearing surfaces for the following conditions:
- Wear
- Lack of lubricant
- Debris embedded in the oil grooves
- Brinelling
- Inspect the main shaft splines for wear or damage.
- Replace the main shaft if any of the above conditions are found.
- Reverse Gears and Shaft
-
- Clean the reverse spur gear (1), reverse helical gear (2), and shaft (5) in a suitable solvent and air dry all the parts.
- Inspect the reverse spur gear bushings (4) and reverse helical gear bushings (3) for the following conditions:
- Excessive wear
- Scoring
- Pitting
- Replace the reverse gears if the bushings are faulty.
- Inspect the reverse gear shaft for the following conditions:
- Excessive wear
- Scoring
- Pitting
- Replace the reverse gear shaft if it is faulty.
Gears Cleaning and Inspection (Gen 1)
Gears
Warning: Wear safety glasses to avoid injury when using compressed
air or any cleaning solvent. Bodily injury may occur if fumes are inhaled
or if skin is exp ...
Input Shaft Assemble
Special Tools
J-840733 Driver
For equivalent regional tools, refer to Special Tools.
Note: Ensure the input shaft rear bearing retaining ring (2) is
placed on the input s ...
Other materials:
Overview (Radio with Touchscreen)
z VOL
y (Volume)
Press to decrease or increase the volume.
O (Power)
Press and hold to turn the power on or off.
D (Home Page)
Press to go to the Home Page. See Home Page.
...
Transmission Fluid Pump, Front Differential Carrier Baffle, and Front Differential
Ring Gear Removal (6T30)
Transmission Fluid Pump, Front Differential Carrier Baffle, and Front
Differential Ring Gear Removal
Callout
Component Name
1
Front Differential Carrier Baffle Bolts M6 x 25 (Qty: 2)
...
Drive Range, First Gear (Gen 1)
As the vehicle speed increases, the transmission control module (TCM) receives
input signals from the automatic transmission input and output speed sensors, throttle
position sensor and other vehicle sensors to determine the precise moment to deenergize
or ?urn OFF?the shift solenoid, and to c ...
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