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#1
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Trap Oxidizer Question
Hey everyone, again a new thread sorry don't mean to post them one after another, but it was off topic of the other one.
Anywho, I didn't realize what a trap oxidizer was and until now decided to read about and go check my 1985 300D Turbo California. I was reading the old ones are football-like and so I went to check it out. I'm pretty sure mine has the old one. First thing tomorrow i'm calling up Mercedes to have them run the vin just in case and setting up a time to get that s*** swapped out. My question is: How much damage could have been caused by running the old one for so long? The car has 148,000 miles and was also running without an airfilter for a few months me thinking everything is all peachy.... I'm learning more and more about these cars everyday....it's actually pretty cool! thanks everyone!
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2007 BMW 328XI |
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Shouldnt have caused any damage as its downwind of the turbo...running without an air filter is more dangerous I think!
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#3
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The TrapOx is before the turbo.
If any damage was done to the turbo from ceramic material breaking off, MB will replace the turbo for free when they do the recall. Last edited by whunter; 01-21-2009 at 04:00 PM. Reason: attached picture |
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yeah wasn't too pleased when I found out about that lol. Ok woot, so tomorrow will be junkyard and then Mercedes Benz!!! I'll ask them to see how much that O-ring will be to replace. I'm excited! Also, will there be an improvement in anything once the trap oxidizer has been replaced?
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2007 BMW 328XI |
#5
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you should call your local dealer with your VIN in hand before you waste your time. They will tell you if it has been performed already.
Or you can look up the part number in Diesel Discussion and check the numbers on the 'football' to identify which you have. It was most likely performed. |
#6
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Quote:
there is still debate. but only if your current unit is clogged with soot. |
#7
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Quote:
I did the search for you. From http://www.peachparts.com/shopforum/diesel-discussion/49978-trap-oxidizer-85-td.html#post290704 "The original trap oxidizer was part number 617-142-00-94, it was replaced with an oxidation catalyst p/n 617-142-02-94." |
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Interesting. My trap cat (the dealer confirms replacement of the trap ox with the later trap cat) carries part number A 126 490 34 14. (1985 300D-T, W123, OM617.952). Wonder what the difference (if any) is. Since the trap cat has been temporarily replaced with a test pipe, the point is moot but I'm curious anyway.
Jeremy
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"Buster" in the '95 Our all-Diesel family 1996 E300D (W210) . .338,000 miles Wife's car 2005 E320 CDI . . 113,000 miles My car Santa Rosa population 176,762 (2022) Total. . . . . . . . . . . . 627,762 "Oh lord won't you buy me a Mercedes Benz." -- Janis Joplin, October 1, 1970 |
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Well crap, I was going by Jeremy's part number. I know mine starts with 617, but don't remember the rest. Should have written it down. Thanks for posting the part number, now I have to find out for sure which one I have.
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79 MB 280 SEL Euro 133k 77 MB 450SL 154k 05 Mustang GT Vert (3) 104k 12 TSX Wagon Tech (66k) (192k) 06 Subaru Outback base (135k) 164k 16 Acura MDX (109k) 111k 18 Silverado 2500 LTZ Midnight (212) 56k 97 Ford Ranger 163k 11 RAV4 154k 01 Escape 173k 04 Honda Pilot 292k 1967 Mustang (Resto Project) 1968 Mustang (Parts Bin) 00 Ford Ranger 124k |
#10
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Please let us know what you find out. The 1985 300SD also had the trap cat in California versions; I wonder if that is where the 126 number came from? Ah, I have it, from EPC:
1985 300D-T (W123, OM617.952) A 617 142 00 94 "Soot filter" "replaced by" A 617 142 02 94 "The old part must no longer be installed in this place" "replaced by" A 126 490 34 14 "For California from model year 1985" So the 126 part number is simply the latest version. The first part number is probably the "trap oxidizer." The third part number (the 126 version) is definitely a "trap catalyst." The middle one is "I don't know." Jeremy
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"Buster" in the '95 Our all-Diesel family 1996 E300D (W210) . .338,000 miles Wife's car 2005 E320 CDI . . 113,000 miles My car Santa Rosa population 176,762 (2022) Total. . . . . . . . . . . . 627,762 "Oh lord won't you buy me a Mercedes Benz." -- Janis Joplin, October 1, 1970 |
#11
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Why is it temporarily replaced? Why not be a permanent fixture.
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1983 123.133 California - GreaseCar Veg System |
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legality
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#13
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There was a "Secret" recall for this by Mercedes Benz, which was always free (at first, anyway) and still exists so far as I am aware.
How it's done and paid for varies individual dealer to individual dealer, but the VERY lucky people got their ENTIRE EXHAUST SYSTEM REPLACED FOR FREE at the Mercedes Benz dealer that performed the recall work, sometimes.
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1991 560 SEC AMG, 199k <---- 300 hp 10:1 ECE euro HV ... 1995 E 420, 170k "The Red Plum" (sold) 2015 BMW 535i xdrive awd Stage 1 DINAN, 6k, <----364 hp 1967 Mercury Cougar, 49k 2013 Jaguar XF, 20k <----340 hp Supercharged, All Wheel Drive (sold) |
#14
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Only on 86-87 models because the OxCat was relocated to under the body. 85 got only the OxCat replacement and the turbo, if it was damaged by TrapOx failure.
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#15
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I have verified my part number to include the dreaded 00.. Great. Now to write down the VIN, and see if they will entertain the recall.
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79 MB 280 SEL Euro 133k 77 MB 450SL 154k 05 Mustang GT Vert (3) 104k 12 TSX Wagon Tech (66k) (192k) 06 Subaru Outback base (135k) 164k 16 Acura MDX (109k) 111k 18 Silverado 2500 LTZ Midnight (212) 56k 97 Ford Ranger 163k 11 RAV4 154k 01 Escape 173k 04 Honda Pilot 292k 1967 Mustang (Resto Project) 1968 Mustang (Parts Bin) 00 Ford Ranger 124k |
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