Chevrolet Sonic Repair Manual: Data and Communication Network

Generator Replacement (LUW)

Removal Procedure Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection. Raise and support the vehicle. Refer to Lifting and Jacking ...

Data Link Communications Description and Operation

Note: This is an overview of different serial data buses used by GM devices to communicate with each others. Use Data Communication Schematics to find out which serial data buses are configur ...

Other materials:

Checking Engine Oil
It is a good idea to check the engine oil level at each fuel fill. In order to get an accurate reading, the oil must be warm and the vehicle must be on level ground. The engine oil dipstick handle is a loop. See Engine Compartment Overview  for the location of the engine oil dipstick. 1. I ...

Brake Fluid
The brake/clutch master cylinder reservoir is filled with DOT 3 brake fluid as indicated on the reservoir cap. See Engine Compartment Overview  for the location of the reservoir. There are only two reasons why the fluid level in the reservoir might go down: The fluid level goes down ...

Engine Oil Cooler Housing Replacement
Removal Procedure Drain the engine coolant. Refer to Cooling System Draining and Filling. Drain the engine oil. Refer to Engine Oil and Oil Filter Replacement. Remove the exhaust manifold. Refer to Exhaust Manifold with Catalytic Converter Replacement. ...