Thermador Built-In Refrigerator Repair in Palm Harbor: Saving a 2006 Unit

A client in Palm Harbor called us about their built-in Thermador refrigerator — model KBUDT4270A02, installed back in 2006. It had a real problem: a refrigerant leak through the evaporator. The client wanted to fix it properly rather than replace an otherwise solid, nearly 20-year-old unit.
Finding the leak
The symptoms pointed to a refrigerant leak, so we confirmed it the reliable way — pressurizing the sealed system with nitrogen and watching for bubbles. Sure enough, tiny bubbles came up through the evaporator coil, confirming exactly where the breach was (see the video below).
Given the unit’s age and the confirmed leak, we recommended replacing the evaporator, the filter drier, and the compressor together — not just patching the leak — so the client would get a real extension on the refrigerator’s life instead of another failure down the road six months later. The client agreed.
The repair
Evaporator replacement. We removed the failed evaporator, then flushed the condenser, capillary tube, and the rest of the sealed system with nitrogen to clear out any contaminants before the new one went in. We also cleaned the evaporation tray and the condenser while everything was open, since that’s the best time to do it.
Filter drier replacement. The filter drier pulls moisture and contaminants out of the refrigerant — a fresh one here is what keeps a repair like this from causing problems again down the line.
Compressor replacement. The original compressor was actually still running fine, but the client wanted to be proactive and replace it anyway (see the new compressor below), rather than risk a second service call once the newly-repaired system had been running for a while.

Result
After putting it all back together, we tested the refrigerator thoroughly before calling it done. The client got a nearly 20-year-old Thermador back to full working condition, with a rebuilt sealed system instead of a landfill trip.
If your refrigerator has a leak, isn’t cooling, or is just old enough that you’re wondering whether it’s worth fixing — that’s exactly the kind of call we like getting. See our refrigerator repair page for what we typically check, or our high-end appliance repair page if you’re dealing with a Sub-Zero, Wolf, Thermador, Viking, or Miele unit specifically.