Re: Water Leak in Trunk of 1979 300SD

Suggest you water test the seal around the fuel fill tube and the drain tube from that area. If nothing found there, the rear window's seal becomes the next suspect. Be careful when doing anything to the rear window - it may crack.

If the car has a sun roof you should also test its water drains - they eventually rust out. I don't know where they exit, possibly in the front and center pillars.
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© 2007 T.G.Lambach. Publication in any form requires prior written permission.
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Relevant Pages

  • Re: sun roof leaks only when I park on a hill---95 Park Ave
    ... After a rain, when I park in the driveway front end first, I find water in the trunk and under the back seat---maybe altogether a half a gallon or a gallon after a one-inch rain. ... I found the rear drain tube, which is rattling and seemingly loose from its nipple, so thanks, I think we have found the problem, but I can't see the nipple or the end of the tube. ... How much of the headliner do I have to free up to get at the end of the drain tube? ...
    (rec.autos.tech)
  • Re: sun roof leaks only when I park on a hill---95 Park Ave
    ... After a rain, when I park in the driveway front end first, I find water in the trunk and under the back seat---maybe altogether a half a gallon or a gallon after a one-inch rain. ... I found the rear drain tube, which is rattling and seemingly loose from its nipple, so thanks, I think we have found the problem, but I can't see the nipple or the end of the tube. ... How much of the headliner do I have to free up to get at the end of the drain tube? ...
    (rec.autos.tech)
  • Re: sun roof leaks only when I park on a hill---95 Park Ave
    ... After a rain, when I park in the driveway front end first, I find water in the trunk and under the back seat---maybe altogether a half a gallon or a gallon after a one-inch rain. ... I found the rear drain tube, which is rattling and seemingly loose from its nipple, so thanks, I think we have found the problem, but I can't see the nipple or the end of the tube. ... How much of the headliner do I have to free up to get at the end of the drain tube? ...
    (rec.autos.tech)