Anyone care to comment on a good place to get a NEW R4 compressor. Mine's toasted, and I'll be switching it back to R12.

Thanks,

Jon

'85 300D 109k

CompressorWorx has the license to the design now and is making them new in Dallas, TX.

__________________
The OM 642/722.9 powered family
Still going strong
2014 ML350 Bluetec (wife's DD)
2013 E350 Bluetec (my DD)

both my kids cars went to junkyard in 2023
2008 ML320 CDI (Older son’s DD) fatal transmission failure, water soaked/fried rear SAM, numerous other issues, just too far gone to save (165k miles)
2008 E320 Bluetec (Younger son's DD) injector failed open and diluted oil with diesel, spun main bearings (240k miles)

1998 E300DT sold to TimFreeh
1987 300TD sold to vstech

I would suggest that you take a look at replacing the R4 with a Sanden. There are lots of reasons to go with a current technology compressor. Do a search on "Sanden" on this forum and you'll find lots of information and discussion. You may decided to stay with the R4 but at least it will be an informed decision based on all the options not just a default decision.

__________________
Current Stable

• 380SL (diesel)
• Corvette C5
• Manx
• Baja Bug
• F350 Powerstroke
• Auburn Boattail Speedster replica

Not meaning to hijack your original question, but it is very much related...

Does the Sanden work well with R12?

I have been reading about the converstion kits for the Sanden, but I don't recall what type of freon they were going to be using.

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1984 300D 398K-daily driver
1998 Honda Accord 102K -wife's daily driver
1991 Volvo 740 289K
2000 Toyota Corolla 143K

The Sandens should use 134a

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$60 OM617 Blank Exhaust Flanges
$110 OM606 Blank Exhaust Flanges
No merc at the moment

The newer Sandens are built to withstand the higher pressures of 134a so they will work with R12 just fine. Even the old ones that were built for R12 did OK with R134a.

__________________
Current Stable

• 380SL (diesel)
• Corvette C5
• Manx
• Baja Bug
• F350 Powerstroke
• Auburn Boattail Speedster replica

The only real difference nowadays is the oil that is shipped with the new compressors (and model numbers). They are shipped with oil for 134a, so you will need to drain and replace the oil if you are going to run R-12. However, there may be someone out there that has an NOS Sanden model with oil for R-12. From the Sanden website:
Due to low demand, Sanden has discontinued R-12 models. This includes the following R-12 compressor series (SD505, SD507, SD508, SD509, SD510, SD708, SD709, TR70, TRF90, and TRF105).

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All Diesel Fleet
1985 R107 300SLD TURBODIESEL
2005 E320 CDI (daily)

LOTS of parts for sale!


EGR block kit
http://www.peachparts.com/shopforum/diesel-discussion/355250-sale-egr-delete-block-off-plate-kit.html

1985 CA emissions 617 owners- You Need This!
Sanden style A/C Compressor Mounting Kit for your 616/ 617 For Sale + Install Inst.

Sanden Instalation Guide (post 11):
http://www.peachparts.com/shopforum/diesel-discussion/367883-sanden-retrofit-installation-guide.html

Here is a good You Tube video changing the oil in a Sanden Compressor when changing between R-12 and 134A.



Changing the oil in a Sanden Style Compressor - YouTube


Charlie

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there were three HP ratings on the OM616...

1) Not much power
2) Even less power
3) Not nearly enough power!! 240D w/auto

Anyone that thinks a 240D is slow drives too fast.

80 240D Naturally Exasperated, 4-Spd 388k DD 150mph spedo 3:58 Diff

We are advised to NOT judge ALL Muslims by the actions of a few lunatics, but we are encouraged to judge ALL gun owners by the actions of a few lunatics. Funny how that works