Warning:
NEVER spray water on a hot heat exchanger. The resulting steam could cause personal injury.
Caution:
The heat exchanger fins are necessary for good heat transfer. Do not brush the fins. This may cause damage to the fins, reducing heat transfer.
Note:
Blow compressed air through the engine side of the radiator to remove any foreign material, such as insects, leaves, and dust.
Radiator Air Baffle Replacement (LUV, LUW)
Radiator Inlet Hose Replacement (LDE LUW)Automatic Door Locks
The vehicle is programmed so that when the doors are closed, the ignition is
on, and the shift lever is moved out of P (Park) for automatic transmissions, or
when the vehicle speed is above 13 km/h (8 mph) for manual transmissions, the doors
and the trunk/liftgate will lock.
To unlock the doo ...
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 read ...
Transmission Fluid Cooler Flushing and Flow Test
GM studies indicate that plugged or restricted transmission oil coolers and pipes
cause insufficient transmission lubrication and elevated operating temperatures
which can lead to premature transmission failure. Many repeat repair cases could
have been prevented by following published procedur ...