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#1
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MW & M lift pump the same?
My car died yesterday because of a clogged main fuel filter.
Just as it died, I was able to pull into a parking lot & change it. I always keep essential spare parts and tools in the trunk. When I was priming it, the hand pump was leaking like crazy. I have an M pump at home I pulled off a Euro 300. I was thinking of swapping out the entire lift pump instead of just the primer. The lift pumps look different. Does anyone know if it will swap out? Thanks & Happy Thanksgiving to everyone!! Jeff
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1984 300SD 300,000 miles--two tank WVO setup 2.88 diff & 500SEL anti-squat rear end |
#2
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Good question, I was wondering that myself, I hope someone will know.
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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" |
#3
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I know there are different types. One with two nuts and one with three nuts. Besides that I don't know.
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#4
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One obvious difference is that on the M pump, the primer is
in between the in/out ports and the IP. On the MW pump the primer is on the outboard side of the ports. Mmmmm Turkey is calling............ Jeff
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1984 300SD 300,000 miles--two tank WVO setup 2.88 diff & 500SEL anti-squat rear end |
#5
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Quote:
The innards of the M Lift Pump are different. I believe it uses disc Valves similar to the ones in your Vacuum Pump. Rebuild Kits are available for both.
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84 300D, 82 Volvo 244Gl Diesel |
#6
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If i remember correctly, they are different as per Stretch.
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"Senior Luna, your sense of humor is still loco... but we love it, anyway." -rickymay ____ "Your sense of humor is still loco... " -MBeige ____ "Señor Luna, your sense of humor is quite järjetön" -Delibes 1982 300SD -- 211k, Texas car, tranny issues ____ 1979 240D 4-speed 234k -- turbo and tuned IP, third world taxi hot rod 2 Samuel 12:13: "David said to Nathan, “I have sinned against the Lord.” And Nathan said to David, “The Lord also has put away your sin; you shall not die." |
#7
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The "M" Pump is off a 617 NA. I don`t remember if it has 2 or 3 bolts that mount it to the engine. But I think it will fit as Sirnik84 put one one his 84 SD, but it was doggy because it doesn`t deliver the same amount of fuel. He swapped it back to a "MW" Pump.
Wouldn`t it be easier to just swap in a new/different Primer Pump? That is if you have one. Be hard to source one today. Charliie
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there were three HP ratings on the OM616... 1) Not much power 2) Even less power 3) Not nearly enough power!! 240D w/auto Anyone that thinks a 240D is slow drives too fast. 80 240D Naturally Exasperated, 4-Spd 388k DD 150mph spedo 3:58 Diff We are advised to NOT judge ALL Muslims by the actions of a few lunatics, but we are encouraged to judge ALL gun owners by the actions of a few lunatics. Funny how that works |
#8
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I believe they are the same, I remember the one on my euro looking exactly like the one on a turbo I pulled for my current car....all is working fine.....
As was suggested just swap over the primer pump so much easier, that is if the m pump primer is the newer black style....
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#9
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Just off the top of my head:
M pump - OM617 Euro NA, OM601, OM602, OM603, OM606 (95) Electric M pump - OM604, OM605, OM606 MW pump - OM616, OM617 turbo and US NA.
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-Evan Benz Fleet: 1968 UNIMOG 404.114 1998 E300 2008 E63 Non-Benz Fleet: 1992 Aerostar 1993 MR2 2000 F250 |
#10
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Quote:
Quote:
http://www.peachparts.com/shopforum/diesel-discussion/294499-refreshing-fuel-pump-om617-european-spec-%96-non-turbo.html If you look through this thread you can see the M pump lift pump (too many pumps - gets confusing - hang in there folks!) and then later on the roller affair on the non turbo MW pump variant which also seems to have randomly migrated back to Europe (or perhaps didn't always leave for the US of A)
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1992 W201 190E 1.8 171,000 km - Daily driver 1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone 1965 Land Rover Series 2a Station Wagon CIS recovery therapy! 1961 Volvo PV544 Bare metal rat rod-ish thing I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior Don't leave that there - I'll take it to bits! |
#11
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.
M and MW are different beasts, M is weaker fuel supplier and has no turbo actated solenoid also VCV spot (vacuum transmision) bracket is missing.. you will loose much and gain nothing (well..some space maybe..) unless you let Tomnik,Dieselmaken or Myna guys plays with it first .
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w126 500SEC gen II euro, powered by OM617 turbo stolen from 84 300SD 2.88 diff,EGR blinded next wish/project: w114 coupe OM603 powered |
#12
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Yes, the lift pump on the M is 2 bolt and on the MW is 3 bolt.
I ended up just swapping the primer pumps. Whoever put the primer pump in my car didn't put in the copper washer, which accounts for that nasty leak. Easy 15 min fix. Has anyone here had an M pump modded by Tomnik or Dieselmaken? Out of my budget, I'm sure, just curious. Anyone interested in buying an M pump? Jeff
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1984 300SD 300,000 miles--two tank WVO setup 2.88 diff & 500SEL anti-squat rear end |
#13
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Jeff, go over to www.superturbodiesel.com someone there modding things will want it.
Good you got it going. So there was a Turkey under your hood at one time? Charlie
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there were three HP ratings on the OM616... 1) Not much power 2) Even less power 3) Not nearly enough power!! 240D w/auto Anyone that thinks a 240D is slow drives too fast. 80 240D Naturally Exasperated, 4-Spd 388k DD 150mph spedo 3:58 Diff We are advised to NOT judge ALL Muslims by the actions of a few lunatics, but we are encouraged to judge ALL gun owners by the actions of a few lunatics. Funny how that works |
#14
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I was wondering if the (euro) m-pump is being modded by dieselmeiken and such for use with the turbo 617's and if so what does he do about the missing turbo pump solenoid aspect for the turbo motors, when using these m-pumps on turbo motors? I assume the m-pump was exclusively used on the non turbo 617 european versions?
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#15
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Charlie,
Thanks for the tip. I've been reading about how there can be problems storing these IPs long term. This one has only been sitting here for a few months. Think I'll put it up for sale and try to find it a good home. I pulled it from that same euro 300d I got the manual tranny from. Hope you had a good Thanksgiving at your Mom's and maybe found time to sneak off to the JY in Carson City Jeff
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1984 300SD 300,000 miles--two tank WVO setup 2.88 diff & 500SEL anti-squat rear end |
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