i have a vectra 1.8 on an 04 plate and i have a leakand currently have about 3 inches of water on the floor the header tank is at its normal level the windows dont mist up and quite frankly ive got the hump any ideas
the seal behind the door panel could be damaged ,i had the same problem with my peugeot it was found that the plastic membrane was not sealed correctly
malc
November 2009
check membranes between door and trim panels-if not intact and stuck to door sides and bottom rain can enter wrong side of door seal.
k
November 2009
if your coolant level is not going down,it can only be rain water. check drain holes in the bulkhead area ,leaves are a big problem at this time of year.
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