fionnmacz Posted March 17, 2004 Report Posted March 17, 2004 have sharan 1.8T 1999. coolant leak is slow continual on vehicle after driving it. comes from pipe housing on undercarriage below rear nearside seat sort of area where 2 pipes go into black housing box about 2" x 2" seems to be a vent there. then pipes continue rearward. is this the rear heating? pressure problem or any ideas? need some info prior to a garage trip or attack with a screwdriver!! Quote
Ivor_E_Tower Posted March 17, 2004 Report Posted March 17, 2004 It will be pipework to rear heater. Check for a split in the hose, clip that has become loose or other simple fault. If it's coming from somewhere else then it could prove costly, but I suspect that it will be a quick, cheap fix. Do it soon before it becomes worse. Quote
fionnmacz Posted March 18, 2004 Author Report Posted March 18, 2004 thanks ivor. my job for the weekend. Quote
fionnmacz Posted March 19, 2004 Author Report Posted March 19, 2004 mmm ok, it got more complicated. on dismembering the pipe (only one pipe goes thru the box of the 2 metal heating pipes ) the rubberised box is fed by a cable which seems electrical from the front of the vehicle. it must be a sensor or valve to control flow or temp ? whatever the box is i cannot see how to disconnect it to investigate further the leak. all i managed to do was get antifreeze in my eye! what i can say is there is a vent at the base of the box thru which my coolant dumps after a journey! any suggestions?? would it assist to post a picture of the offending part? fm Quote
fionnmacz Posted April 2, 2004 Author Report Posted April 2, 2004 ok answer found. the black box is a coolant heater valve for the rear heater, faulty. part is about Quote
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