Might want to look underneath the car very closely, maybe even do a bit of
prodding under the area where your floor is wet. Possibly the floor is
rusted out, or rusting, under the carpet. Very common. I certainly
wouldn't recommend tasting it! In fact, if it was antifreeze you'd be
able
to smell it in most cases.
>
>> I recently noticed that the interior glass was 'steaming up' a lot in
>> the cold weather. I thought it might have been due to a damp coat I
left
>> in the car but it persisted and I found the driver's (RHS) footwell
>> carpet was damp.
>>
>> I don't seem to be losing any coolant so it's hopefully not a leak from
>> heater
>
> Stick a finger in and taste it. No, seriously. You'll know instantly if
> it is coolant.
>
>> but I'm curious to hear of any possible ways it's getting damp. I
>> imagine it must be rainwater but not clear how it would get there.
>
> Driver's door seal is the most likely cause. Has the car got a sunroof?
> If so, check that water's flowing out of the drains freely. The seal
> isn't intended to keep water out, so the tray has a drain in each corner
> which should empty down towards the sills.
>
> Where's the cabin air intake on a 9k? If that's round there, check the
> drains from that are clear, too.
>
> If the windscreen's recently been replaced, then it may have been badly
> sealed, too. Or the A-pillars are rotten...


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