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  1. Electrical
    I've got a mint condition T4 Caravelle 2001, 2.5TDI. It has an Eberspacher D3WZ water heater buried in the engine compartment. I have two questions and would really appreciate it if anyone can help - has anyone serviced one of these, and if so, any tips or recommendations how to do it? And...
  2. New T4 Members Forum
    Hallo everyone.. I bought myself a 1997 Caravelle last september and I've been following the posts here for a little over a year now. Pretty impressed with what people have accomplished on their vans.. as well as some very helpful how-to's.. but now I have a question, the answer to which is...
  3. T4 Conversions
    Did anybody installed a Webasto Thermo Top C in their T4? I saw that there is more availability of used Thermo Top C than Eberspacher D4WSC then I was wondering if the first can fir our T4 and how much installation costs are. I actually have a dead Eberspacher D3WZ
  4. General Technical
    I am still checking but if my Eberspacher Hydronic D3WZ is dead I am considering replacing it with a D4WSC. Anybody did it? How many things should be replaced in the circuit/pipes? Does the replacement can exploit part of the D3WZ installation? Cheers
  5. Engine & Gearbox
    Dear all, I saw that there is an Eberspacher Hydronic D3WZ upgrade kit to start the engine pre-heater even with the engine not running. did anybody try to install it? Cheers Dan
  6. Electrical
    Hi Ive posted in the chat section but keen to get info fast. I am looking for the wiring loom and info on how in clips into the unit as cant see mine yet. OR maybe which pins do which. cant seam to get one but might be missing somethink but cant find one for a d3wz
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