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Water ingress

vitesse

Active member
Occasionally, passenger footwell gets wet in our 924S-have always put this down to leaves,etc blocking the outlet through the engine bulkhead(car normally left outside with 964 in the garage).
Very wet carpet ,Friday so took out battery this pm & cleared out the leaves & detritus-to be honest,the outlet was not blocked but the seam sealant around the battery retaining plate stud area appears to be cracking.
However,having cleaned everywhere ,I noticed that the 12mm horizontal body seam running along the edge of the inside wing pressing suddenly has an elevated 15mm section as it approaches the curved channel leading to the outlet in the engine bulkhead,and I could push a length of wire through this slot formed by the raised flange until it seemed to hit the inside of the inside wing,just ahead of the absorption canister.

Can anyone advise whether their 924S/944 has the same feature-is this meant to act as a drain as well perhaps exiting below the car somewhere,or is it the cause of our wet footwell & needs sealing when I seal the general area?
The drivers side doesn't have this feature-the same 12mm flange is flat all the way along the inner wing right to the engine bulkhead.

Note that there is no perforation of the battery area-it still has the original paint finish-other than perhaps the seam sealant hardening so much that possibly the act of tightening down the battery over the years has cracked the seal slightly,enough to let some water in.
 
The battery trays of most 924's are the cause of difficulties with rotting through and allowing water into the foot-well via all the electrical relays and fuses in the two panels situated in the top of the passenger under-dash area. I've owned two each of the 924's and early 944's with battery's in the engine compartment - all had to have that area either plated or replaced.
 
Steve, As I stated,that area is still like new,it is the small slot in the seam which is puzzling me-it looks too good to be a fault-it probably can't do any harm to seal it with sealant to see if it stops the leak.
 
It's (as I'm sure you've realised) fairly easy to check - put some newspaper inside the foot-well and gently pour a watering can full of water into the area - That produces a pretty instant result. If not that, then check the roof drains in that area plus also round the heater blower intake. Failed sealing or a gap there has a similar effect. Lastly it's also worth checking any wiring grommets in the vicinity if you haven't already done so. Water can be a complete bXXXXXer and difficult to find the point of entry with. I know of instance where it was actually a failing of the windscreen surround... HTH
 
Steve, Thanks for your suggestions-as it's raining here this am,Iv'e swapped the cars round,reversing the 924S into the garage dried the area & lit a paraffin heater to dry things out a bit.Then I can try the sunroof drain and the hospipe on it without the complications of rainwater dripping as well.It must be a blockage somewhere as the car is used all the time in rain ,wind & snow & normally stays outside. Cheers, Colin.
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