Porsche Enthusiasts Club Forum

Hey folks, so I'm a newbie and getting to grips with the dreaded moisture in my recently acquired '87 944 Turbo.

Its a solid looking car with the odd bit of new paint and the sills look original if a little crusty inside the near side one in particular. I'd like to think they're good enough to just wax the hell out of them and cross fingers for 5 or maybe 10 years if I'm very lucky... I certainly think they don't need the chop *yet*.

...except, today I've been caught out in the rain for the first time, so the car has now had a little splash about. It was only maybe 10-15mins of driving on wet roads, so by no means a hard downpour or a long trek for miles upon miles of wet roads.

I should add that I've gingerly jet washed it a couple of times now (last weekend and a fortnight before too), both times avoiding high pressure water around the boot edges. Both times I got a bit of moisture in the boot and I know I need to look at the seals around the tailgate pins. I see streaks of water around the black cups under the pin-sockets, behind the rear light clusters, and heading down into the offside cubby hole...

Now, more worryingly I happened to notice that the nearside sill in particular is looking distinctly damp inside, after the little wet drive I mentioned earlier today. See below for some before and after the rain pics.

- Are there any obvious / well known routes for water to get into the sills, without simply assuming that it is due to holes in the underside?

- Are there drain tubes I should know about, to make sure they are clear?

- Does tailgate water tend to run down the side vents (between the inner and outer rear qtr skin) and into the back of the sills?

All advice very gratefully received! Naturally I want to track the source of sill dampness and resolve it, before I pump a few gallons of Waxoyl or Dinitrol into said sills.

Thanks



Chris

You need 2 get a shot off the length off the sill. That's just the rear wheel arch

There's 4 drain holes which are quite long. 30mm each

Thanks, yeah I know I need to pull off the black plastic trim that runs full length and fully inspect.

Do you think the moisture is probably coming upwards? What other routes are there into the back of the sill, as photographed?

Cheers,


Chris