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#1
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Replacing oil without changing filter...
Some idiot put 15-40 in my 300d the other day. Ok it was me. I'm about to switch it out with some 5-30 before the temperature drops.
What I'm wondering is, Since I just replaced the filter, (4 days ago), Is it cool to just drain and refill without changing the filter? I don't see why not, but I thought I would ask anyhow... Tx
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OBK #32 1985 300D Turbo (15 gal Greasecar kit installed) (258,900+mi.) Thanks- Tachometer Fixed. Middle Vents Fixed. Transmission- 1000% better shifting. Vac leaks- Fixed, Brakes replaced, Steering Box replaced, .... Information Rules. |
#2
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yeah,,,,
that's what i would do...
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1985 300SD 1998 Jetta TDI Previous: lots of diesel VW's, MB's, KW's, Pete, Freightliner Walking isn't a lost art: one must, by some means, get to the garage. |
#3
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Good-o.
Good luck on getting Detroit to make that electric car... we're all counting on you.
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OBK #32 1985 300D Turbo (15 gal Greasecar kit installed) (258,900+mi.) Thanks- Tachometer Fixed. Middle Vents Fixed. Transmission- 1000% better shifting. Vac leaks- Fixed, Brakes replaced, Steering Box replaced, .... Information Rules. |
#4
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isnt 5-30 a little on the low side for a diesel? would something in the 5w-40 range be more appropriate? just asking here, my gasser runs diesel oil all the time (15w-40 summer 5w-40 winter)
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Allen Kroliczek Oak Grove Autosport | Oak Grove Autosport 01 G500, 82 300TD, quite a few more..... |
#5
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Yeah, it's gotta be 40 weight. 5 or 0W 40 in the winter is good.
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1983 240D 3.0T 4-speed manual, now sold 1989 Subaru GL Wagon 5-speed Touring Edition |
#6
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remove cover and filter
To vent it so that drains too. Then reinstall "old" filter.
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James Marriott 2003 Buick Regal 1983 300D (228k, frau Auto) 1996 Suburban K2500 (192k, 6.5 turbo diesel/4WD towmaster 10,000) www.engineeringworks.biz 1987 300SDL junker 170k 1982 300SD junker, 265k |
#7
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You don't say where you are or how cold it gets.
I run 15-40 year round but it doesn't often get below freezing. If it seems too cold, I'll use the heater or drive a gasser.
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Charles 1983 300D, bought new, 215k+ miles, donated to Purple Hearts veterans charity but I have parts for sale: http://www.peachparts.com/shopforum/mercedes-benz-cars-sale/296386-fs-1-owner-83-mb-300d-turbo-rebuild-parts.html |
#8
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5w30 is not diesel rated oil. You need at least a diesel approved 5w40 synthetic. It makes a huge difference in cold weather starting vs. 15w40.
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-diesel is not just a fuel, its a way of life- '15 GLK250 Bluetec 118k - mine - (OC-123,800) '17 Metris(VITO!) - 37k - wifes (OC-41k) '09 Sprinter 3500 Winnebago View - 62k (OC - 67k) '13 ML350 Bluetec - 95k - dad's (OC-98k) '01 SL500 - 103k(km) - dad's (OC-110,000km) '16 E400 4matic Sedan - 148k - Brothers (OC-155k) |
#9
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I agree with PawoSD.......I do not believe there are any 5W30 weight oils that are API Diesel rated. They are all 40 weight oils in the US. So look for a 5W40 that has a API rating of CI, CF or CJ4 for winter use. All the ratings beginning with a "C" are for Diesel.
You should be fine reusing the filter you installed just days ago.
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FRED Daily Driver: 98 E300TD 199K Hobby Car: 69 Austin Mini Past Diesels: 84 300SD, 312K 87 300SDL, 251K 94 Chev. K-1500 6.5Ltr.TD, 373K Last edited by F18; 12-09-2009 at 02:05 PM. |
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