You can't go by mine. It's 2.1, but, I'm sure the gauge is wrong. It sits at 1.0 with the keyswitch in the #2 position.

I believe someone here said that minimum spec was .4 bar at warm idle (which seems a little low), but I don't remember anyone saying what "normal" level is. If your guage was working, do you know what it should be? Is my 1.4 "normal"? Thanks.

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1998 E300D, 287k, barely broken in.

No worries at all with 1.4. The 603's run 1.5 all the time and never get to 3.0 until they reach 1500 rpm. Kind of concerned me at first.......but.........it's perfectly OK.

I jumped right out, opened the hood so I can see the fan stop when I shut it down. It spun for 2 seconds after shut down. Replace the clutch ?

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Sharing my partner's 2012 Forte 5dr SX til I find my next 123 or 126..
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Do I miss being a service advisor ???

That's the lowest I've ever seen mine, even in the dead of winter.

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~Michael S.~
Past cars:

1986 300SDL
1987 300SDL
1982 240D
1982 300SD


Current:

1987 300SDL

If you can get a new Behr clutch for $132, that's a very good deal. There are some cheaper ones available, but I've never tried one. If you're not seeing much difference between highway driving and driving in traffic, your clutch can't be that bad. Honestly, your temperature doesn't seem too bad for the conditions, but it would probably bug me enough to replace the clutch. You can keep an eye on it and make sure it doesn't get any worse without much risk.

BTW, my hot idle oil pressure is around 1.5 bars (385K mile engine). Yours looks good.

Just turned 232,500 this week. I'm running Rotella. Had the valves adjusted Friday. It feels even livelier than before. It felt faster than my '83 123 before the adjustment. Feels even better now. Hopefully will have the a/c fixed this week before my first road trip to see my dear sister in Delaware. I think it's gonna need a rear tho. Unless it's the left rear hub bearing that's howling.

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Sharing my partner's 2012 Forte 5dr SX til I find my next 123 or 126..
-
Do I miss being a service advisor ???

Oh, I forgot to ask. Parts place said they need my engine number to get the right clutch. Where do I find it ? He said he need the whole number, or the end part. 617 wasn't enough info.

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Sharing my partner's 2012 Forte 5dr SX til I find my next 123 or 126..
-
Do I miss being a service advisor ???

pretty sure its either 617.951 or 617.952 for a SD. I don't think theres any difference except for emissions stuff?

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Ich liebe meine Autos!

1991 Mercedes-Benz 560SEL | Megasquirt MS3-Pro | 722.6 transmission w/ AMG paddles | Feind Motorsports Sway Bar | Stinger VIP Radar | AntiLaser Priority | PLX Wideband O2 | 150A Alternator | Cat Delete
1981 Mercedes-Benz 300SD | Blown engine, rebuilding someday...
1981 Mercedes-Benz 300SD | Rear ended, retired in garage.
2009 Yamaha AR230HO | Das Boot

Excessive speeding? It ain't excessive till I redline!

No, something changed during 617 production, I had to get my number last time I bought one of these clutches and fastlane lists two different parts for his car:

http://catalog.worldpac.com/mercedesshop/sophio/wizard.jsp?partner=mercedesshop&clientid=catalog.mercedesshop&baseurl=http://catalog.peachparts.com/&cookieid=1CQ0J3JZ423N019MGA&year=1983&make=MB&model=300-SD-002&category=All&part=Fan+Clutch&appEngines=_any

Fortunately, I have the original metal "credit card" for my car that includes the engine number, I believe the number is on the left rear of the engine block.