Engine Fan Noise
Your 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 fan is spinning slower and the clutch is
not fully engaged. This improves fuel economy and
reduces fan noise. Under heavy vehicle loading, trailer
towing and/or high outside temperatures, the fan
speed increases as the clutch more fully 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 partially
disengages.
Power Steering Fluid
5-34
Содержание Denali 2004
Страница 5: ...These are some examples of symbols you may find on your vehicle v...
Страница 6: ...NOTES vi...
Страница 134: ...Instrument Panel Overview 3 2...
Страница 163: ...United States without Passenger Sensing System Canada with Passenger Sensing System 3 31...
Страница 292: ...NOTES 4 72...
Страница 302: ...Engine Compartment Overview When you lift the hood on the VORTEC 6000 V8 engine you ll see 5 10...
Страница 375: ...4 Remove all the wheel nuts and take off the flat tire Rear Position 5 83...
Страница 378: ...8 Tighten the nuts firmly in a crisscross sequence as shown by turning the wheel wrench clockwise Rear Position 5 86...
Страница 402: ...5 110...
Страница 423: ...Maintenance Record cont d Date Odometer Reading Serviced By Maintenance I or Maintenance II Services Performed 6 17...
Страница 424: ...Maintenance Record cont d Date Odometer Reading Serviced By Maintenance I or Maintenance II Services Performed 6 18...