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Re: [T3] Factory air.

On 21 Feb 2001, at 23:03, Ralph wrote:

> I have to remove the belt in winter because I think the
> compressor still robs power even when shut off.  ??  

There is an electrically operated clutch on the input shaft of the 
compressor. Although the pulley spins all the time, the compressor 
should be running only when called for.

The possibility remains that there is something wrong with your 
system and the clutch is engaged all the time. If you can feel the 
compressor kick in and out when the A/C is running (you should 
feel the idle speed change) then this is a certain sign that the 
system is working properly and there is no real need to remove the 
belt in the winter.

If you take a look at the edges of the holes where the belt passes 
thru the pulley housing, I think you will see that these edges are 
cut somewhat roughly and were not painted after cutting. This 
would be what I would consider signs of a "non-factory" installation. 
The fact that these hole are "small" needs to be considered along 
with the fact that they are right above the exhaust system and the 
fact that there is a considerable amount of vacuum in that housing 
when the engine is running at speed.

Jim Adney
Madison, WI 53711-3054

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