Pagoda SL Group
W113 Pagoda SL Group => Drive train, fuel, suspension, steering & brakes => Topic started by: Peter on June 01, 2018, 18:37:32
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I have a USA 280SL 1969 with York compressor.
I changed the York compressor for the successor of the Sanden 508, Sanden 32238G.
For mounting I used the conversion bracket from York to Sanden
With the York the v-belt was Gates Green Stripes XL 13A1080 (1080 mm).
This belt is now too long, I can pull, between compressor and water pump, up +/- 1.18 inch (3 cm).
Is this a known issue?
Which belt should I use with this Sanden compressor? Thank for help.
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When I made this conversion on my 230Sl years ago, I mounted the compressor up top with a Bud’s Benz type mount. The belt sizing was a trial and error process. You may find the same with mounting the compressor using a conversion bracket in combination with the old style bracket as well.
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I converted to a Sanden from the orignal York. I used an adapter bracket on the stock engine mount to attach the Sanden. It fit fine, but the belt was too long. There are shorter belts available. The stock belt was in the 1080 range. As I remember, I think I found a belt in the 1040 range, but I can't say for sure. I actually ordered a few and returned what didn't fit. There isnt really a whole lot of adjustment available so I had come fairly close for it to work.
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Interesting thread, to me. I fitted a Sanden, using the the "York to Sanden" adapter bracket. I thought the original belt was going to be too short, tried a couple of slightly longer ones, then found the original was just right ! Bit of a fiddle to fit, and had to leave the compressor hanging loosely to get the belt on. It has worked fine ever since. I converted to R134A, as R12 is now"Taboo" here in BC, Canada, and fitted a parallel flow condenser. Cools satisfactorily, but have to admit, we don't get the high temperatures some of the Southern States do.
Cheers, Dale.
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Lots of questions, please:
- What is involved in relocating the compressor? The alternator drops to the old York position and the new smaller compressor comes up where the alternator was? Why make this rearrangement? Access for freon charging?
- Where did you get the adapter bracket that allows the Sanden to mount in the York bracket? The bracket for the relocated Sanden??
- With the replacement Sanden compressor, did you use the same other original parts - condenser, expansion valve, unit in the car?
Thanks,
Harry
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I mounted the Sanden at the location of the York. So down in the engine compartment, the dynamo is up in the engine compartment.
As my car is in a “mild” climate, northern Europe I will not change the condensers, this is also the advice of the airco-specialist. I will change expansion valve and thermostat to be sure they work well.
After some trial and error I fit a belt 13A1075, only 5 mm less than the original v-belt, which resulted in 3 cm less vertical movement (pull up) of the belt!
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The Sanden can be mounted either of two ways. With a conversion bracket it can be mounted on the original big steel bracket that the York was mounted on. It can also be mounted up next to the intake manifold using one of the sedan compressir brackets along with a conversion bracket. Joe Alexander has a post showing this. Bud’s Benz makes a bracket that also allows mounting the Sanden up top. The original steel bracket is a very difficult thing to remove because of all the ancillary parts that need to come off before you can get to it. This is one reason those with the original York opt to just keep it in place and use a conversion bracket to add the Sanden. If starting from scratch it is much easier to use Joe’s approach or use a Bud’s Benz type bracket.