I have read a few posts about coolant overheating etc. but I have a problem, I cannot get to the bottom of... Please can anyone suggest anything else? The camper overheats randomly - I don't believe it is the electrics - having those checked anyway - get a small spray - escape from bottom water bottle when heating - over back window. No evident coolant leaks - no loss. However, when the engine is cold and I remove the dalek cap - at times I don't get the short hiss of pressure release - assume therefore a leak somewhere?
I can stop, let it cool and then drive another 90 miles home, when it will randomly overheat again! Interestingly, when it overheats, the heating in the cab goes off - absolutely linked every time - so I know when I have a problem coming!!
I have a 1990 T25 1.9 DG wbx (Autohomes conversion), petrol, RHD (LPG too). I have very heavily invested in the camper. Last November it randomly started overheating. This is my current position:
- A fully reconditioned engine fitted (June 2022) (VWEngineCompany - Kent) - done 7.3k miles so far.
- Stainless water pipes - front to back
- New water pump fitted
- New thermostat fitted
- New radiator fitted
- Flushed through
- Bled, topped up etc.
- Pressurised
- New dalek cap
- Chemical test of coolant - nothing noted
- Thermal imaging - apparently nothing noted
- Coolant levels correct
Much appreciated - Cheers Duncan