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#1
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Location of hand primer pump on 1976 300D (W115)
Can someone tell me where the hand primer pump on a 1976 300D (W115 Chassis) is located?
Mine in attached to the large fuel filter, but because I'm having so much trouble locating a replacement part, I am wondering if this is modification was made to the vehicle before I got it. |
#2
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Primer pump
It's on the side of the injector pump, driver's side, forward.
Either a knurled knob you unscrew (old) or a pushbutton (new) that reminds me of an old floor mounted headlight dimmer switch. Jim
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14 E250 BlueTEC black. 45k miles 95 E320 Cabriolet Emerald green 66k miles 94 E320 Cabriolet Emerald green 152k miles 85 300TD 4 spd man, euro bumpers and lights, 15" Pentas dark blue 274k miles |
#3
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A 115 300D has a little disc style primer pump located next to the (old style) main fuel filter. It is not a modification, it came that way.
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Palangi 2004 C240 Wagon 203.261 Baby Benz 2008 ML320 CDI Highway Cruiser 2006 Toyota Prius, Saving the Planet @ 48 mpg 2000 F-150, Destroying the Planet @ 20 mpg TRUMP .......... WHITEHOUSE HILLARY .........JAILHOUSE BERNIE .......... NUTHOUSE 0BAMA .......... OUTHOUSE Last edited by Palangi; 05-17-2007 at 05:33 PM. Reason: kant spel gud |
#4
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Palangi's right for the old stype pumps. My 300D is a rebuilt motor so it has it where the rest are hanging on the side of the IP.
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#5
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i agree,
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1967 250 S 1967 280SE 1968 250S 1971 280 SE 1973 220 1974 280 S 1975 450 SEL 1976 220 D 1979 300SD 1983 300 SD 1985 230 TE euro 1986 280SL 1986 500 SEL euro 1986 190E 2.3 1990 300 SE 2003 C230 K 2004 C230 K 1987 560SEL 1987 300SDL now in canada 2005 C230 1998 C43 AMG Sold to DON 1993 190E 2.6 300TD Former daily driver Totaled current: R320 CDI Ram 2500 Cummins |
#6
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Hmmmmm
Quote:
Interesting, all my W115 220Ds had the one I described above. Same as my W123 240Ds and 300Ds. Never did find it on either of my OM603s. Jim
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14 E250 BlueTEC black. 45k miles 95 E320 Cabriolet Emerald green 66k miles 94 E320 Cabriolet Emerald green 152k miles 85 300TD 4 spd man, euro bumpers and lights, 15" Pentas dark blue 274k miles |
#7
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Do I treat this "rare" hand primer pump any different
Thank you all, I just didn't know if this was stock or a modification.
Should I treat this "rare" hand primer any differently because I suspect it may be causing an air leak? If I have to replace it, do I want keep this style or is there a way to switch to the normal style? |
#8
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I am not familiar how to change it. Isn't the IP mount still on the side of the IP?
Is there resistance when pumping? I have an extra pump assembly with updated pump from a 1979 240D but I am not sure if it would fit. |
#9
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Pump is mounted onside of fuel filter
and not the ip pump.
I did get to see another 1976 that the owner had removed this pump, but there wasn't time to see/figure out how it all was done. So I think the answer is not "update" rather than replace with like original equipment. |
#10
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Have you checked with the dealer for availability and price?
It might not be that expensive if it's still available. Not sure if you could find a good used one. Not many 115 300D's being parted out these days.
__________________
Palangi 2004 C240 Wagon 203.261 Baby Benz 2008 ML320 CDI Highway Cruiser 2006 Toyota Prius, Saving the Planet @ 48 mpg 2000 F-150, Destroying the Planet @ 20 mpg TRUMP .......... WHITEHOUSE HILLARY .........JAILHOUSE BERNIE .......... NUTHOUSE 0BAMA .......... OUTHOUSE |
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