Chevrolet Sonic Repair Manual: Transmission Indicators and Messages
The following transmission-related indicators and messages may be displayed on the Instrument Panel Cluster (IPC). For a complete listing and description of all vehicle indicators and messages, refer to Indicator/Warning Message Description and Operation.
- "TRANSMISSION HOT IDLE ENGINE"
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This message is displayed when the TCM detects a transmission fluid temperature (TFT) equal to or greater than 132°C (270°F) for 5 seconds.
- “SERVICE TRANSMISSION”
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This message displays when there is a problem with the transmission.
Tire Pressure Indicator Sensor Replacement
Removal Procedure
Raise the vehicle on a suitable support. Refer to
Lifting and Jacking the Vehicle.
Remove the tire/wheel assembly from the vehicle. Refer
to Tire and Wheel Re ...
Tread Wear Indicators Description
The original equipment tires have tread wear indicators that show when you should
replace the tires.
The location of these indicators are at 60 degree intervals around the outer
diamet ...
Other materials:
Tires and Wheels Description and Operation (Equipment)
GM Recommended Tire Balancer
Hunter RF33 Road Force balancer or equivalent with the following options:
Auto Clamp – allows for centering repeatability and prevent damage to
the wheel.
Wheel Lift – helps prevent wheel damage and assists in the accuracy
of the placeme ...
Engine Block Cleaning and Inspection
Special Tools
EN-8087 Cylinder Gauge
For equivalent regional tools, refer to Special Tools.
Clean the sealing material from the gasket mating surfaces (2).
Clean the engine block (1) and lower crankcase in a cleaning tank with solvent
appropriate for aluminum. Refer ...
Drive Range - Fourth Gear (Gen 1)
As vehicle speed increases, the transmission control module (TCM) processes input
signals from the automatic transmission input and output speed sensors, the throttle
position sensor and other vehicle sensors to determine the precise moment to command
OFF the normally-high 35R pressure control ...
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