Hey Guys

Just got the new primer pump today and can't find any documentation on replacement procedure. Do you take the whole housing off? Do you have to take the big brass nuts off to get to the pump base. The fuel hoses are very brittle. I guess it's time to replace them. Any Help would be greatly appreciated.


BB

1984 300D

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1972 SILVER 280SE
1989 SILVER 300 SEL
1984 DARK BLUE 300D EURO

The old style is probably 2 times as big as the new one. You'll prob need to undo some fuel lines to get the old one unscrewed from the lift pump.

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Terry Allison
N. Calif. & Boca Chica, Panama

09' E320 Bluetec 77k (USA)
09' Hyundai Santa Fe Diesel 48k (S.A.)

I haven't done the job myself but I think a crows foot wrench should work.

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1977 300d 70k--sold 08
1985 300TD 185k+
1984 307d 126k--sold 8/03
1985 409d 65k--sold 06
1984 300SD 315k--daughter's car
1979 300SD 122k--sold 2/11
1999 Fuso FG Expedition Camper
1993 GMC Sierra 6.5 TD 4x4
1982 Bluebird Wanderlodge CAT 3208--Sold 2/13

http://www.peachparts.com/Wikka/PrimerPump

Dave

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1970 220D, owned 1980-1990
1980 240D, owned 1990-1992
1982 300TD, owned 1992-1993
1986 300SDL, owned 1993-2004
1999 E300, owned 1999-2003
1982 300TD, 213,880mi, owned since Nov 18, 1991- Aug 4, 2010 SOLD
1988 560SL, 100,000mi, owned since 1995
1965 Mustang Fastback Mileage Unknown(My sons)
1983 240D, 176,000mi (My daughers) owned since 2004
2007 Honda Accord EX-L I4 auto, the new daily driver
1985 300D 264,000mi Son's new daily driver.(sold)
2008 Hyundai Tiberon. Daughters new car

What works really good is a plumbers faucet wrench, its got a nice big perpendicular handle that you can really get some torque on. If your cars a Euro you have to remove the fuel lines.

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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"

I had to pump my primer a good long time when changing filters.
Next time I change the filters, would it be worth it to get the new
primer pump? Is it a worthy upgrade? Even if I went from 40 pumps
to 10 that would be worth it

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85 300TD FED-Daily
84 300SD-Wife's
86 XJS-Sunday
66 GMC-Work- Given to my stepson
83 BMW Airhead- Given to my stepson

The bigger advantage is that it won't eventually fail and start leaking or letting in air.

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Kevin

1978 300D
1979 240D

Thanks Dave the wiki is awesome.I did not think to look there.

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1972 SILVER 280SE
1989 SILVER 300 SEL
1984 DARK BLUE 300D EURO

Fill your secondary filter with some kind of combustible liquid (ATF, Diesel, Purge, etc) before reinstalling and you shouldn't need to pump at all.

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1977 300d 70k--sold 08
1985 300TD 185k+
1984 307d 126k--sold 8/03
1985 409d 65k--sold 06
1984 300SD 315k--daughter's car
1979 300SD 122k--sold 2/11
1999 Fuso FG Expedition Camper
1993 GMC Sierra 6.5 TD 4x4
1982 Bluebird Wanderlodge CAT 3208--Sold 2/13

You mean automatic transmission fluid? That's a hoot.

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1972 SILVER 280SE
1989 SILVER 300 SEL
1984 DARK BLUE 300D EURO