Hey all,

We have a W210 E-Class diesel in at the shop right now and as we're mainly a vintage MB specialist I need a little advice on a climate control issue with this car..

Problem: A/C does not blow as cold out of left center vent as it does from right center vent. Both extreme side vents are decently cool, but again, the passenger's side is cooler than the driver's side. I seem to remember something regarding replacing the monovalve with an updated part as well as a receiver drier modification with a new hose and switches. Ideas?

BTW, When in full heating mode, the temps are equalized, this only occurs in A/C mode.

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Regards,
Aaron