its the R4 compressor. When the belts are new, they seem like they will not go on at all. I usually put the compressor end on, and get the engine side on as good as I can, bump the starter, and it will pull the belt over the rest of the way.

Rich Thomas wrote:
Kaleb gets the fish. Put a new belt on the AC compressor (the old one rather energetically dissociated it appears), and a new PS pump belt, and got the compressor belt as tight as I could (the tightener nut thing is now under the refrigerant hose, and inaccessible. The screw thingie was not long enough to leave the spacer in. I think the belt might be a tad short, as I had the compressor all the way loose [which in itself was not pleasant to do for some reason] and it barely fit over the pulleys. I did manage to get it tight by prying [again not particularly fun]) so all looked fine. Fired that sucker up and hit the AC button, and the air BLOWS ICE COLD now (well, at least fairly cool). So the compressor seems OK, I guess that belt just got stretched and finally let go, per Kaleb's report on the grawnching sounds from the compressor with a loose belt.

I could not tell what kind of compressor it is, it had a label on the bottom that was all crapped up and faded, I peeled it off to try to get it out where I could see it better, and VOID VOID VOID appeared all over the stuff left on the compressor and the back of the top of the label, which made it even harder to read. I can't tell what it says on it. The compressor itself is just a round can, about 3in thick, with the various fittings coming off it.

--R

On 7/25/2010 4:19 PM, Kaleb C. Striplin wrote:
Im sure they can stretch, the belts loosen. Its really a mess sometimes to get it right.

Allan Streib wrote:
"Kaleb C. Striplin" <ka...@striplin.net> writes:

The belt has to be REALLY tight, otherwise it will flop around and
make noise that sounds like the compressor is going out.

In my W123, I have had trouble with the belt staying tight.  I think I
have all the clamping bolts tight but it will be loose again in a week
or two.  Do the belts stretch much?

Allan



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