Air Filter Mount

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gjlockyer
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Joined: Mon 29 Sep, 2008 12:17 pm
Model you own: w124
Location: Boronia VIC 3155

Air Filter Mount

Post by gjlockyer » Mon 02 Jan, 2017 6:00 pm

Air Filter Mount.JPG
First Official Day of Retirement. Wife away. Nothing better to do than catch up a few small issues on the 300E 2.6. One job was to replace the rock-hard original small hose from the Valve Cover to the Inlet Manifold with a nice new soft one. I could see I had one of the two Air Cleaner mounts missing, so I raided my 190E spare parts department to see if it would fit. One problem; there is an empty bracket on the Air Cleaner and a corresponding flat, raised bit of metal on the Inlet manifold, but there is no threaded hole in the latter to take the small rubber mount! Am I missing something? Is there a totally different type of mount for this or is there not meant to be a mount there at all?
I know its not the world's (or even my) biggest problem, but I'm not gunna sleep too well until the mystery is solved. Anyone care to check their M103 6 cyl engine to let me know what you've got? See the photo for the position of the "no hole mounting spot" (and notice my nice new hose to the left. Retirement had better get more interesting!)
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Gary
1955 220a (1972-80) 1961 220SEb (1980-95)
1988 190E (2008-10/14) 1988 260E (11/2014-07/15)
1990 300E 2.6 (08/2015-07/17) Current car: 1991 300E 2.6

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John Green
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Re: Air Filter Mount

Post by John Green » Mon 02 Jan, 2017 6:15 pm

Sleep easy, we have them in stock.
Inaugural OZBENZ national meet this September, all welcome to attend. https://ozbenz.net/viewtopic.php?f=46&t=25165

M.B Spares & Service 14-16 Lyell St, Fyshwick ACT. Ph 02 6239 1099

http://mbspares.com.au - Supporting Australia's Mercedes-Benz Enthusiasts.

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Ivanerrol
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Re: Air Filter Mount

Post by Ivanerrol » Mon 02 Jan, 2017 6:46 pm

You will probably find that the rubber broke off and that's the remnant of the old mount.
You maybe able to unscrew it.
It's just a flat piece of metal now - with a screw thread underneath.
Just grab ahold of it and unscrew.
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gjlockyer
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Posts: 223
Joined: Mon 29 Sep, 2008 12:17 pm
Model you own: w124
Location: Boronia VIC 3155

Re: Air Filter Mount

Post by gjlockyer » Mon 02 Jan, 2017 7:00 pm

That's what I assumed when I first saw it, Ivanerrol, but the alloy area is totally flat and unmarked - it doesn't look like a plate from the bottom of the old mount, but I will pull the air cleaner off and check again.
Gary
1955 220a (1972-80) 1961 220SEb (1980-95)
1988 190E (2008-10/14) 1988 260E (11/2014-07/15)
1990 300E 2.6 (08/2015-07/17) Current car: 1991 300E 2.6

gjlockyer
Ponton
Posts: 223
Joined: Mon 29 Sep, 2008 12:17 pm
Model you own: w124
Location: Boronia VIC 3155

Re: Air Filter Mount

Post by gjlockyer » Tue 24 Jan, 2017 10:42 pm

Holidays over. Back from 2 weeks in the caravan at Cowes, Philip Island. Now that I have thawed out, I checked the mount area again. Ivanerrol, you were spot on; that was the base of the old mount. An almost perfect fit over the raised section of the manifold under it - perfect camouflage, probably helped along by my less than 20/20 vision. Screwed out easily. Simply fixed.
Gary
1955 220a (1972-80) 1961 220SEb (1980-95)
1988 190E (2008-10/14) 1988 260E (11/2014-07/15)
1990 300E 2.6 (08/2015-07/17) Current car: 1991 300E 2.6

gjlockyer
Ponton
Posts: 223
Joined: Mon 29 Sep, 2008 12:17 pm
Model you own: w124
Location: Boronia VIC 3155

Re: Air Filter Mount

Post by gjlockyer » Mon 11 Sep, 2017 10:53 pm

File_000.jpeg
Look what happens when previous owner / corner mechanic super tightens the nut holding the air cleaner onto its rubber mount. When I tried to undo the nut with what I thought was a steady medium pressure, I suddenly end up with the mount twisted off its base and the bracket of the plastic air cleaner body twisted off (probably a little brittle with age) and still bolted to the mount. Had to set the broken mount/bracket in a bench vice with the jaws clamped around its top metal section ... and then with an almighty heave, the nut came loose. You'd swear that a tyre fitter had got to it with his air tools!
This happened on my just purchased 1991 300E, getting the air cleaner off to replace the oil filter. The original problem that started this post was on my 1990 300E - now my parts car after being rear-ended by a P Plater while stopped at traffic lights just 2 months back. 2nd time I've been rear ended in 3 years and 2nd time I've ended up with the bottom half of this mount left in the inlet manifold! At least my parts car had a new mount and another air cleaner. I also glued the bracket back on its air cleaner body with a 2 part epoxy glue; seems to have worked - if needed I still have a backup!
Moral of the story - do not over tighten nuts / bolts , particularly where any plastic part is involved. Into their 3rd decade all the plastic on these cars are more brittle and all the more so when heated as the air cleaner is.
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Gary
1955 220a (1972-80) 1961 220SEb (1980-95)
1988 190E (2008-10/14) 1988 260E (11/2014-07/15)
1990 300E 2.6 (08/2015-07/17) Current car: 1991 300E 2.6

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