[968Syncro]

Here is a bit of rust in the battery tray. Is this something to worry about, or take care of? Seems it was there 3.5 years ago also. Are there any quick treatments to slow it down? Thanks!

Roland

   
   

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[flash]

get in there with a wire brush (preferably on a drill motor etc) and remove the rust - then at least shoot some rust preventing primer (rustoleum, etc)

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[94SilverCab]

Bob Kovacs (anybody remember Bob?) did a write up on this in Excellence (?) about 5-6 years ago. I'll see if I can dig something up. This problem is a blast form the past...

Jay

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[Darryl]

Clean it well with a wire brush and slather on a coat of POR15. It professes to be the best rust inhibitor product out there.

Jay, I often wonder what happened to Bob. He lived only a few minutes from me and was always an active participant in local events. I think he may have relocated during the Sprint/Nextel merge/takeover but haven't seen him in years. I may have some info from him as well.

- Darryl

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[Beeza]

Ours was in a much worse condition. Here's what we did:

Cleaned up as best as possible using a wire brush on a drill and then treated with an anti rust agent. Plugged up the visible holes from underneath using masking tape. I then mixed up some fibreglass resin and poured it into the battery tray. The good thing about this is that it finds it's own level and eventually flows out of the drain making a natural path for water. The thickness of this resin layer is about 3mm think and sets to a mirror smooth surface, ready for paint. And it's rock hard and impervious to further corrosion.

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[Ryan]

There are also battery mats available from autoparts stores that act as a nutralizer of acid and protect from this happening again.

Rust converters work well on the damage and form a primer base for additional paint or coatings if desired.

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[gryphon]

Rustoleum used to sell a wonderful product called "Rusty Metal Primer" that formed a chemical bond with the rust. I used it on a completely rusted 2x2 steel shed frame and it still looks new 20 years later.

Tom

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[stewhatch]

I had the same trouble and after grinding off the corrosion with a drill / wire brush setup I used zinc chromate primer , then painted the entire box with non-scuff Rhino liner pickup truck bedliner. this area is now impervious to acid, scuffing, or rust.

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[Jamie '92 968]

Rhino liner. Awesome idea!

I guess it goes without saying that you need to make sure the drain is clear and free flowing.
My 944 rusted through the battery tray and water came into the passenger foot well.
There were some leaves and debris around the bottom of the battery and in the drain, making it run slow.
I cleaned out the drain and fixed the hole with some rust converter, a thick piece of plastic, and some epoxy.
Having learned my lesson, I've been fanatical about keeping that area clean on the 968 for the past 15 years, and so far, no signs of rust.

Jamie

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