Chevrolet 2010 Express Automobile User Manual


 
If it is decided to check the fluid level, be sure to follow
all the instructions here, or a false reading on the
dipstick may occur.
Notice: Too much or too little fluid can damage your
transmission. Too much can mean that some of the
fluid could come out and fall on hot engine parts or
exhaust system parts, starting a fire. Too little fluid
could cause the transmission to overheat. Be sure
to get an accurate reading if you check your
transmission fluid.
Wait at least 30 minutes with the engine Off, before
checking the transmission fluid level if the vehicle has
been driven:
.
In hot weather, when outside temperatures are
above 32°C (90°F).
.
The vehicle is heavily loaded.
.
At high speed for quite a while in hot weather.
.
In heavy traffic and hot weather.
.
While pulling a trailer.
After driving under these conditions, a hot check can be
performed. The fluid should be Hot, which is 71°C to
93°C (160°F to 200°F).
A cold fluid level check can be performed after
the vehicle has been sitting for eight hours or more
with the engine Off, but this is used only as a reference.
Let the engine run at idle for five minutes if outside
temperatures is between 15°C to 32°C (60°F to 90°F).
Should the fluid level be low during this cold check, the
fluid must be checked Warm or Hot before adding fluid.
If the outside temperature is colder than 15°C (60°F) or
hotter than 32°C (90°F), a cold check cannot be
performed.
A warm fluid level check can be performed by driving
the vehicle under lightly loaded conditions and outside
temperatures between 10°C to 27°C (50°F to 80°F).
The vehicle should be driven for at least 15 miles before
performing a warm check. Checking the fluid Warm or
Hot will give a more accurate reading of the fluid level
than a cold check.
Because the vehicle is equipped with a high-efficiency
air-to-oil cooler, the transmission fluid temperature may
not reach the required Hot fluid level checking
temperature under normal lightly loaded driving vehicle
conditions.
Checking the Fluid Level
Prepare the vehicle as follows:
1. Park the vehicle on a level place. Keep the engine
running.
2. With the parking brake applied, place the shift
lever in P (Park).
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