Chevrolet Sonic Repair Manual: Gears Cleaning and Inspection (Gen 1)
- 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)
- Reverse idler gear (5)
- 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 Idler Gear and Shaft
-
- Clean the reverse idler gear (1) and shaft (2) in a suitable solvent and air dry all the parts.
- Inspect the reverse idler gear bushing (3) for the following conditions:
- Excessive wear
- Scoring
- Pitting
- Replace the reverse idler gear if the bushing is faulty.
- Inspect the reverse idler gear shaft for the following conditions:
- Excessive wear
- Scoring
- Pitting
- Replace the reverse idler gear shaft if it is faulty.
Gear Position Sensor Replacement
Gear Position Sensor Replacement
Callout
Component Name
Preliminary Procedure
Unclip the engine control module (ECM) and bracke ...
Gears Cleaning and Inspection (Gen 2)
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 ...
Other materials:
Questions and Answers About Safety Belts
Q: Will I be trapped in the vehicle after a crash if I am wearing a safety belt?
A: You could be— whether you are wearing a safety belt or not. Your chance of being
conscious during and after a crash, so you can unbuckle and get out, is much greater
if you are belted.
Q: If my vehicle has ai ...
Braking
Braking action involves perception time and reaction time. Deciding to push the
brake pedal is perception time. Actually doing it is reaction time.
Average driver reaction time is about three-quarters of a second. In that time,
a vehicle moving at 100 km/h (60 mph) travels 20m (66 ft), which co ...
Manual Mode
To use this feature:
1. Move the shift lever from D (Drive) rearward to M(Manual Mode).
While driving in manual mode, the transmission will remain in the driver selected
gear. When coming to a stop in the manual position, the vehicle will automatically
shift into 1 (First) gear.
2. Press th ...
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