[DML] Re: AC compressor rework
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[DML] Re: AC compressor rework



The Sanden compressors are pretty bulletproof. Unless your system
is/was heavily contaminated you really shouldn't need to replace it.
Drain all of the old oil out of it and refill with fresh, replace the
service valves, check the gap and the current draw on the clutch,
replace the belt and the idler pulleys and it should be OK. Usually
more likely you will need to replace the hose to the condensor coil,
the accumulator/dryer, and the orifice tube than the compressor. If it
is making loud knocking noises or it has hard spots when turning it
then it is usually time to go looking for a new compressor! A good
deal on the wrong part is not deal! Removing the pulley and clutch
requires special tools. Refer to the Workshop Manual. BTW, why are you
"cracking" open your system? A/C systems are usually best left
untouched if they are working. If you do have to work on them it is
generally best to do the least you have to as long as the system is
not contaminated. Replace any seals, gaskets, "O" rings on any
connections you "crack" open.
David Teitelbaum
vin 10757 



-- In dmcnews@xxxxxxxxxxxxxxx, "Tom Tait" <TTait@...> wrote:
>
> I'm about to crack open my AC system and replace a number of components.
> The compressor is ok right now, but... I think I may be able to get a
> very good deal on a Sanden 510 compressor, brand new.  The problems are
> that it has the wrong back on it and the wrong pulley (currently
> serpentine).
> 
>  
> 
> I know I can purchase a GM back reasonably, or move my old one over.  Is
> this a terribly difficult thing to get right? Do I reuse the new seals
> or replace them?
> 
>  
> 
> How about replacing the pulley?  Can I swap just the pulley and keep
> using the new clutch?  Do I need special tools, etc?
> 
>  
> 
> Advice appreciated.
> 
>  
> 
> Tom
> 
>  
> 
>  
> 
> 
> 
> [Non-text portions of this message have been removed]
>




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