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#1
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battery tray rust
Minor set back today, as I was changing the battery, I found the only rust on the car. Somewhat disheartening to find this on my pristine Texas 300D, but i'll have with it. Think it can be repaired? The entire area ranged from surface rust all the way to a dime size hole. I cleaned it the best I could and sealed it with rust encapsulater.
under battery tray back of wheel well under battery tray sealed
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Adam Lumsden (83) 300D Vice-President of the MBCA International Stars Section Last edited by rg2098; 11-18-2004 at 06:04 PM. |
#2
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rg2098
Ya, that pretty much goes with the terratory. Most of the W123s I have seen have that problem. Its a good idea to check out UNDER the batt box too while your at it. You can buy a replacement, most at the pick & pull are trashed too.
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1985 Euro 240D 5 spd 140K 1979 240D 5 spd, 40K on engine rebuild 1994 Dodge/Cummins, 5 spd, 121K 1964 Allice Chalmers D15 tractor 2014 Kubota L3800 tractor 1964 VW bug "Lifes too short to drive a boring car" |
#3
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My 190e tray completely disintegrated, the remains were scraped out and a new one fashioned which passed the test. Why oh why dont manufactureres
make them out of an alloy or seal them with a plastic lining (maybe some do!) Mike.
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http://img4.photobucket.com/albums/0...nd_sig_pic.jpg 1990 Euro 190e 2.0l Petrol Now Sold Maybe a w116 280se next |
#4
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What do you mean by under the battery box. The pics are with the battery and the battery tray removed. The tray itself had a tiny bit of surface rust where the paint had chipped or something.
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Adam Lumsden (83) 300D Vice-President of the MBCA International Stars Section |
#5
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Not a pretty sight...
My 240 was in worse shape than yours. There was a large hole in the firewall where the rain came in. The fender was through and the water was kicked into the engine compartment by the tires. Fortunately it is in a hidden area and so you can tolerate some faily ugly sheet metal work.
I bought a square of duct tin that would be for a household application. I cut a piece about the right size and then started to bend it to fit. There were so many compound curves under there that it took some shaping. Then I took some sheet metal screws and drilled holes for the scriews at about 3/4-inch centers the entire perimeter of the patch. I painted the entire patch piece and rust reformer and paint on the car's body. Laid it in and put the screws in to hold it. I think I used some silicone seal to hold the edge and water proof. I did the same thing around the fender to patch that area too. It was quite a project but in the end it worked. I got a junkyard battery tray too. The only down side is the the duct tin is relatively thin compared to the body sheet metal so it will be minitored for damage regularly. It is so nice not to have wet floor pans everytime it rains. It can be fixed. Not pretty but fixed.
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Tom Engel *********** 83 240 230K Manual (8/2003) 83 300D 265K (3/2004) Just a Driver! |
#6
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For those that have one in good to fair shape maybe painting them with POR 15 would be a good idea?
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1959 Gravely LI, 1963 Gravely L8, 1973 Gravely C12 1982 380SL 1978 450 SEL 6.9 euro restoration at 63% and climbing 1987 300 D 2005 CDI European Delivery 2006 CDI Handed down to daughter 2007 GL CDI. Wifes |
#7
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I would use the POR15 on the sections as shown in the attached photos and run it.
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Jim |
#8
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As far as I can tell, POR15 seems like the solution to problems like this, both preventatively and as a repair. I haven't tried it yet, but I just got the starter kit in the mail, and it seems to be the right combination attack, a degreaser to clean, an acid to convert the rust to black oxide and deposit zinc, and a moisture-curing urethane paint to protect the rusted area and 'suck' the moisture out of the rust, preventing further oxidation. A fairly complete sounding one-two punch from a reputable company.
I suppose I'll be seeing soon how well it works, but it seems very popular for battery trays and the like. peace, sam
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"That f***in' biodiesel is makin' me hungry." 1982 300TD Astral Silver w/ 250k (BIO BNZ) 2001 Aprilia SR50 Corsa Red w/ 5.5k (>100 MPG) |
#9
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"The pics are with the battery and the battery tray removed."
Oh, I see, you are down to more than a rusted out tray, I didn't look close enough. Looks like someone replaced the tray and didn't bother to deal with the big problem. What an ugly suprise
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1985 Euro 240D 5 spd 140K 1979 240D 5 spd, 40K on engine rebuild 1994 Dodge/Cummins, 5 spd, 121K 1964 Allice Chalmers D15 tractor 2014 Kubota L3800 tractor 1964 VW bug "Lifes too short to drive a boring car" |
#10
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I had rust in the same spot, ruined my day when I saw it. Encapsulated the leprosy just like you did, but maybe I globbed it on a little more obsessively. I used Rust Bullet. This fits into the list of most common issues with w123s.
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'02 BMW 325i '85 300D 450k '93 190E 2.6 170k(killed by tree) '08 Ducati Hypermotard 1100S 6k '06 Ducati S2R800 14k(sold) |
#11
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BTW, this is yet another reason I'm glad I use AGM batteries (sealed, IE no leaks!)
peace, sam
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"That f***in' biodiesel is makin' me hungry." 1982 300TD Astral Silver w/ 250k (BIO BNZ) 2001 Aprilia SR50 Corsa Red w/ 5.5k (>100 MPG) |
#12
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oof i gotta take out my battery and tray...
been putting it off tooo long!
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1984 300D Turbo - 231k....totalled 11/30/07 RIP |
#13
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Agm
What is an AGM battery?
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1989 420 SEL |
#14
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I'm hoping it will last a few more years and then I will have that area cut out and new metal welded in. I have a local contact that does extremely nice body work for very low cost (works out of a garage) that has done work for me before. He doesn't half ass it, he does things right. If anyone in Michigan wants his number PM me he's in Flint.
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Adam Lumsden (83) 300D Vice-President of the MBCA International Stars Section Last edited by rg2098; 11-18-2004 at 10:37 PM. |
#15
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I got lucky I didn't find any rust under the tray, but lots of crap! My tray was pretty rusted but I cleaned it up. If it starts to rust again I will just replace it, I really hate rust. I have an OE battery that seems to be sealed so no acid leaking out to eat my paint.
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1999 SL500 1969 280SE 2023 Ram 1500 2007 Tiara 3200 |
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