I checked the search and found how to adjust throttle , but nothing that talked about slack in the bellcrank bushings. Can these be serviced or does the whole bracket and bellcrank need to be replaced .

When I refer to the bellcrank I'm talking about the bracket that bolts to the valve cover and has the pivot for the rods to hook to the pump. It contains a yellowish plastic/nylon bushing .

I.D. of the hole possibly 5/16 now wallowed out to 3/8 - 9/16 . Maybe a kit to install? Looks like a pricey piece if it all needs to go.

T I A !

You could try just fabricated some sort of shim.

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1983 240D 3.0T 4-speed manual, now sold

1989 Subaru GL Wagon 5-speed Touring Edition

I might buy a bearing sleeve. Drill to the sleeves outer diameter and crazy glue the sleeve with the right size centre hole in. I guess you could also refer to it as a bushing. Should last you out.

Bingo, thats what I was thinking I have access to a lathe and mill , but before going overboard I figured tractor supply might carry something close.

I'm figuring its metric , but standard I.D. should be close enough. At least better than what I have and as you said last as long as I need. If I find something that works I'll post Pn# size etc.

My son has the bearing spacers on his skateboard wonder what the expression will be when he finds it up on blocks?!

Barry the bushing worked. I was doing a write up but got to the part about the throttle might stick stopped and thought about all the 240's out there. They are slow to get to speed but once there...........Deleted it and wrote this instead .

It was a challenge and required a lot of calculations if I did it over I would shop for the correct bushing. I couldnt find proper ID / OD therfore the parts I did use would not work without modification . I did find the one bracket on fastlane for 20.00 but not the one that bolts to the top of the valve cover.

When you think how critical it is for these parts to work freely and the safety aspect involved I do suggest either buy the part or live with the slack.

Parts are cheaper than people !

Thanks for the help

I recently purchased a 1982 240D, my first MB and it has the same issue with this bushing. I am searching for a replacement and this is how I wound up here. It sounds as if you guys have a lot of knowledge to share and I am happy I found this forum. This part, the "bell crank bushing" what is it's proper name? I have searched for an illustrated parts break down for it and have had no luck at all and there is no picture or description of it in the Chilton's repair manual I have. Any help is greatly appreciated. oh, and yes, I am searching the pages of this forum I just am not sure what I am searching for!!

This is the part I am looking for:

Dang, sorry about the picture size.

Measure your I.D. your O.D. and your height check at tractor supply . That's where I found the ones for my repair. I think they where called shoulder bushings.

My 240 is the stripped down one so it was totally different than your picture. I couldn't locate my bracket and the junkyard ones were in the same shape. Reason for the repair.

It looks as if a shoulder bushing would work . The ones I found where 3/8 O.D. 1/4 I.D. by 1/2" brass . I used 2 drilled the OEM one out to 3/8 installed one on each side and then drilled the 1/4" I.D. out to 5/16" (couldn't find one in that size) Its still working well almost a year now.

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Experience : what you receive 3 seconds after you really needed it !!



86 300SDL 387,000? Motor committed suicide
81 300SD 214,000 "new" 132,000 motor
83 300SD 212,000 parts car
83 300SD 147,000

91 F700 5.9 cummins 5spd eaton 298,000
66 AMC rambler American 2dr auto 108,000
95 Chevy 3/4 ton auto 160,000
03 Toyota 4runner 180,000 wifes

Thanks soothappens, I will give that a shot. Did replacing it help your car's performance at all? This is my first diesel but it seem very sluggish from a stop but it gets along fine after it is going. Thanks again for the info.

No help with the performance. It just takes the slack out of the pedal. Unless the linkage is not reaching full throttle.

Welcome to the wonderful world of Mercedes diesel and a great forum to learn about them on.
The first lesson is performance is not usually used in the same sentence as 240D. The second lesson is patience . This the car will teach you.

Even the 4 speed version takes some getting used to but once repaired and running well the addiction starts.

Enjoy , and best of luck with the linkage.

__________________


Experience : what you receive 3 seconds after you really needed it !!



86 300SDL 387,000? Motor committed suicide
81 300SD 214,000 "new" 132,000 motor
83 300SD 212,000 parts car
83 300SD 147,000

91 F700 5.9 cummins 5spd eaton 298,000
66 AMC rambler American 2dr auto 108,000
95 Chevy 3/4 ton auto 160,000
03 Toyota 4runner 180,000 wifes

Anyone know the part number for that bushing?

__________________
What Would Rudolph Do?
1975 300D, 1975 240D, 1985 300SD, 1997 300D, 2005 E320 , 2006 Toyota Prius

It might depend on the type of transmission (manual / automatic) and regional differences. There are several variations listed in the FSM and several types listed in EPC =>

Search 1981 Mercedes 240 D Sedan Fuel System Auto Parts

For example automatic transmission

CONTROL USED WITH AUTOMATIC TRANSMISSION. Fits: 1981 Mercedes 240 D Sedan | Mercedes-Benz of South Atlanta

For example manual gearbox

CONTROL USED WITH MANUAL TRANSMISSION. Fits: 1981 Mercedes 240 D Sedan | Mercedes-Benz of South Atlanta

__________________
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!