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 Post subject: Rust Problem
PostPosted: Sat Oct 26, 2019 5:34 pm 
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Joined: Sat Sep 14, 2019 2:18 pm
Posts: 6
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Hi All,
Attached is a photo of rust that I have in the inner sill, taken through the hole in the door pillar on the drivers side.
From the outside there is no sign at all - all the external panels around this are still very solid and original looking, no sign of previous repairs. I'm guessing if I do nothing it may last a few years (or less) before it shows on the outside.
Ideally it would be good to be able to treat it with a rust converter, then a wax type treatment - but it is not accessible for the former. I am therefore thinking that I should just treat it by spraying in something like Dinitrol ML or Dynax S50, and that will make it last a lot longer, but presumably not cure it.
If I take this approach, presumably sometime in the future I'm going to have a big, expensive sill replacement job. Is there, and should I be considering some other approach, e.g. cut it open such that I have access to treat the rust, then weld it closed again?
Basically, does it make more sense to try and do something significant now rather than wait for the inevitable?
Thanks for any advice you can give.
Alistair.


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 Post subject: Re: Rust Problem
PostPosted: Thu Oct 31, 2019 10:50 pm 
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Joined: Sat Oct 02, 2010 3:02 pm
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Location: Falkirk
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Hi Alistair

It depends really how much time/money you want to invest. What you can see may just be the tip of the iceberg. If you google some 944 sill repairs you will see some pretty nasty corrosion. I've got some pics of my sills off, which on one side didn't look too bad from the outside, but once the old sill was cut off and the wing removed, extended into the floor pan and bottom of the A post. Most things are repairable, just takes time/money. It really depends how attached you are to the car and Its not really a decision you make with your head as the costs will quickly exceed the value of the car.

best of luck with whatever you decide to do

Brian

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2011 Honda CR-Z Hybrid
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 Post subject: Re: Rust Problem
PostPosted: Fri Nov 01, 2019 9:28 am 
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Joined: Sun Jan 03, 2010 8:25 pm
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its a cut out and repair job, if you can see rust there it will be elsewhere, I have done several sets of sill now and when opened up its always rusty in more areas of the sill and inner sill.

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87 944 group 5 style metal wide body conversion, current project
87 944 turbo - 75000 miles, now has a new life in Malta
81 924 - due some needed tlc
89 944 turbo - modifying - running 323 bhp - 313 torque
84 944 - dead, rip
86 924S - my first love ,


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 Post subject: Re: Rust Problem
PostPosted: Thu Nov 07, 2019 3:39 pm 
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Joined: Sat Sep 14, 2019 2:18 pm
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Thanks for the replies guys.
Think I'm going to treat it for now, then monitor closely, review again in the summer.


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