Engine Fan Noise
This vehicle has a clutched engine cooling fan.
When the clutch is engaged, the fan spins faster
to provide more air to cool the engine. In most
everyday driving conditions, the clutch is not
engaged. This improves fuel economy and reduces
fan noise. Under heavy vehicle loading, trailer
towing and/or high outside temperatures, the
fan speed increases when the clutch engages.
So you may hear an increase in fan noise.
This is normal and should not be mistaken as
the transmission slipping or making extra shifts.
It is merely the cooling system functioning
properly. The fan will slow down when additional
cooling is not required and the clutch disengages.
You may also hear this fan noise when you
start the engine. It will go away as the fan clutch
disengages.
Power Steering Fluid
The power steering fluid
reservoir is located near
the front of the engine
compartment, behind
the radiator. See
Engine
Compartment Overview
on page 332
for
reservoir location.
When to Check Power Steering Fluid
It is not necessary to regularly check power
steering fluid unless you suspect there is a leak
in the system or you hear an unusual noise.
A fluid loss in this system could indicate a problem.
Have the system inspected and repaired.
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Summary of Contents for 2007 Colorado
Page 6: ...These are some examples of symbols that may be found on the vehicle 6 ...
Page 22: ...Put someone on it Get it up to speed Then stop the vehicle The rider does not stop 22 ...
Page 96: ... NOTES 96 ...
Page 154: ... NOTES 154 ...
Page 157: ... NOTES 157 ...
Page 158: ...Instrument Panel Overview Manual Transmission shown Automatic Transmission similar 158 ...
Page 459: ...Engine Drive Belt Routing 2 9L and 3 7L Engines with air 2 9L and 3 7L Engine without air 459 ...
Page 484: ... NOTES 484 ...