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  #46  
Old 06-12-2009, 02:32 PM
toomany MBZ's Avatar
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Location: central Va
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I used a vice grip wrench to remove mine, they're in there pretty good.
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  #47  
Old 06-12-2009, 06:04 PM
Christian
 
Join Date: Feb 2007
Location: Western Mass
Posts: 132
Quote:
Originally Posted by mbmc View Post
Just did mine the other day. As Brian says above, remove the fuel line on the right. The exposed nipple is part of a threaded insert that can be unscrewed. On my 85, it's 18mm, easily removable with a rachet and long extension. Once you do this, you can get an open-ended wrench (17mm on mine) to the base of the primer pump easily.
Thanks a lot. I just did it, and it seems all good. It was somewhat different because mine is the Euro model, and I ended up forcing the old pump out with a vise grip because you can't apply a wrench at the bottom, and the nipples sit in front of the pump, not like in the pictures posted here, but it all ended up working alright.
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1974 240D, 125K mi, B100 now, SOLD
1980 300TD, 115K mi, 4-speed stick, roll-up windows, greasecar with two tank conversion (daily driver)
1985 300D, 220K miles, greasecar with two tank conversion, SOLD
1993 300D 2.5turbo, 158K miles, green/tan, B20-B50
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  #48  
Old 06-12-2009, 06:08 PM
Christian
 
Join Date: Feb 2007
Location: Western Mass
Posts: 132
Quote:
Originally Posted by whunter View Post
Picture attached.

The "T" in the first picture is not correct, it feeds hot foamed fuel back into the lift pump.

If you have a veggie system installed, you need to post pictures of the routing for diagnosis.
Thanks, but no diagnosis necessary. The T may be incorrect, but it's worked for so long, and I have it in two other cars, I don't really care. No hot foam, it's working just fine. The pump was the culprit. I've gone through dozens of different routings, all of which suck. This one is the simplest and has worked for me.
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1974 240D, 125K mi, B100 now, SOLD
1980 300TD, 115K mi, 4-speed stick, roll-up windows, greasecar with two tank conversion (daily driver)
1985 300D, 220K miles, greasecar with two tank conversion, SOLD
1993 300D 2.5turbo, 158K miles, green/tan, B20-B50
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  #49  
Old 09-30-2012, 07:53 PM
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Join Date: Sep 2012
Location: Norway
Posts: 15
Hey mate. You are talking about changing the old type white handled hand pump with the updated black one. My old white handled one is leaking constantly, not only when I use it. I have the Euro engine, and noticed that when I took it out there was no rubber ring around the end. It looks like its been sealed with just the metal in the end of the part having a cone-shape. The updated black ones that I found are not cone shaped, and have a rubber ring around the end.
My question is this: Do you know if this will fit on my Euro OM617 engine, or if that is for a US engine or something.

Cheers from a thankful Norwegian
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  #50  
Old 09-30-2012, 07:54 PM
toomany MBZ's Avatar
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Join Date: Nov 2006
Location: central Va
Posts: 7,820
Army may pipe up, the American primer pumps use a copper crush washer, no rubber.
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