Engine Size: 350
Refrigerant Type: R12
Just another story about a part that doesn't fit.
I bought a NEW R4 compressor a couple of years ago and this was to be the weekend that a/c worked for this first time since I have owned the car...nope...
When mounting the new compressor and then pulling it back so that the belt is tight, I noticed that the mounting hole on the comp. is now past the mounting bracket "opening" to mount it. After staring at the back of the compressors for an hour I finally discovered that the front of them is where the problem lies. The rounded pulley part (front) of my old compressor is larger than the new one - so now my new compressor requires more stretch (pull back) to get the belt tight - which throws the mounting hole past the available space in the bracket opening for mounting.
If you look closely there are also some minor subtle differences between the 2 compressors perhaps not worth mentioning.
I am thinking about options to remedy this:
1) Try to find a shorter belt
2) Try to exchange the compresor (pia)
3) Modify the mounting bracket (pia)
Has anyone else ran into this too?
Find a shorter belt. Not that big a deal - even the chain parts stores should have what you need.
The good news is the smaller pulley will increase idle speed output.
"Among the many misdeeds of the British rule in India, history will look upon the act of depriving a whole nation of arms, as the blackest."
~ Mahatma Gandhi, Gandhi, An Autobiography, M. K. Gandhi, page 446.
If the belt lines up. Get a shorter belt and be done with it. Smaller pulley will make the compressor spin a little faster. But doubt it will be much of an issue.
Brad you type to fast!
Also just noticed. You joined in April and I in July of 2002. Yet I created the site.
I don't want to sound dumb but I've never seen an A/C compressor that short before. But I'm also not a GM man but rather into Fords when it comes to American cars.
What's the size on this compressor (diameter and length).
I have another A/C project I'm working on and if the compressor doesn't clear my turbo, I'm going to have to do some relocating. But this compressor may work just fine.
This will be a subcompact so a Corvette compressor maybe overkill. Do they make smaller compressors like this for 4 bangers?
Edited: Tue July 12, 2011 at 1:19 PM by Turbofiat
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