Chevrolet Sonic Repair Manual: Automatic Transmission Shift Lock Control Function Check
Warning:
When you are doing this inspection, the vehicle could move suddenly. If the vehicle moves, you or others could be injured.
- Before starting this check, be sure there is enough room around the vehicle. It should be parked on a level surface.
- Apply the parking brake. Be ready to apply the regular brake immediately if the vehicle begins to move.
- With the engine off, turn the ignition on, but do not start the engine. Without applying the regular brake, try to move the shift lever out of P (Park) with normal effort. If the shift lever moves out of P (Park), contact your dealer for service.
Automatic Transmission Shift Lock Control Description and Operation
The automatic transmission park lock control system is a safety device that prevents
an inadvertent shift out of PARK. The driver must press the brake pedal before moving
the park lever out of the ...
Bushing and Mating Shaft Inspection
Note: Proper bushing and corresponding mating shaft inspection should
be performed before replacing the bushing, shaft, and in some cases, the component
which houses the bushing. Thoroughly c ...
Other materials:
Engine Oil
To ensure proper engine performance and long life, careful attention must be
paid to engine oil. Following these simple, but important steps will help protect
your investment:
Always use engine oil approved to the proper specification and of the proper
viscosity grade. See “Selecting th ...
Scrub Radius Description
Ideally, the scrub radius is as small as possible. Normally, the SAI angle and
the centerline of the tire and the wheel intersect below the road surface, causing
a positive scrub radius. With struts, the SAI angle is much larger than the long
arm/short arm type of suspension. This allows the S ...
Fuel Pressure Measurement
Special Tools
EN 34730?E1 Pressure Tester
For equivalent regional tools, refer to Special Tools
Warning: Gasoline or gasoline vapors are highly flammable. A fire
could occur if an ignition source is present. Never drain or store gasoline
or diesel fuel in an open con ...
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