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  #1  
Old 12-13-2011, 08:29 PM
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starter swap

Will a 240d starter fit in a 300d turbo?

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  #2  
Old 12-13-2011, 08:34 PM
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Yes, but the starters are different. The turbo starter is more powerful and spins the engine faster.
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1977 300d 70k--sold 08
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1984 307d 126k--sold 8/03
1985 409d 65k--sold 06
1984 300SD 315k--daughter's car
1979 300SD 122k--sold 2/11
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1993 GMC Sierra 6.5 TD 4x4
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  #3  
Old 12-14-2011, 08:21 AM
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I just bought a 300d parts car that was running but the starter "apparently died" right after I had tried it.
So I thought I would use one of my 240 starters to get it going so I can move it.
Will the slower spin be a problematic for starting the 300? And a strain on the 240 starter?
I have heard 5 cyl starters are a b*tch to remove. Something about one bolts being inaccessible. Is that the case?
Thanks
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  #4  
Old 12-14-2011, 09:06 AM
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I just pulled the starter on my OM617 NA last night in order to fit a new solenoid to it. Being the first time I had ever had to R&R a starter on any MB, I was very surprised to find that it would not slide out of the engine compartment in any direction. I am sure that I had read they were easy, but mine was not. I had to pull the intake manifold, and that required pulling the York AC compressor, which required pulling the compressor bracket, which required pulling the fan.

Maybe no one else still had a compressor in the way.

I had no trouble with reaching the bolts, but I did break an extension, a flex joint, and a wrench.
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'77 300D Euro Delivery
OM617 turbo / 4-speed swap
404 Milanbraun Metallic / 134 Dattel MB-Tex

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  #5  
Old 12-14-2011, 09:24 AM
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Quote:
Originally Posted by KAdams4458 View Post
...
I had no trouble with reaching the bolts, but I did break an extension, a flex joint, and a wrench.
Way to go!

Santa did you hear that?
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1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone
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  #6  
Old 12-14-2011, 09:34 AM
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Quote:
Originally Posted by Army View Post
Way to go!

Santa did you hear that?
Is Santa a member here?

I'm seriously considering picking up some more Proto stuff before it also becomes cheap imported junk. I know they are making some tools in Mexico now, but I'd take that over Chinese wrenches and Indian sockets any day.
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- K.C.Adams

'77 300D Euro Delivery
OM617 turbo / 4-speed swap
404 Milanbraun Metallic / 134 Dattel MB-Tex

Current status:
* Undergoing body work


My '77 300D progress thread

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  #7  
Old 12-14-2011, 09:44 AM
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I've not broken anything by Ampro yet - or anything made by Gedore - I don't know what the prices are where you are though. I would have thought you could just go to Sears(?) and buy whatever junk they sell with a life time warranty and use it - and take it back - and use it - and take it back - and use it... OK you're spending a lot in fuel now...
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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!
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  #8  
Old 12-14-2011, 09:50 AM
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Quote:
Originally Posted by KAdams4458 View Post
I just pulled the starter on my OM617 NA last night in order to fit a new solenoid to it. Being the first time I had ever had to R&R a starter on any MB, I was very surprised to find that it would not slide out of the engine compartment in any direction. I am sure that I had read they were easy, but mine was not. I had to pull the intake manifold, and that required pulling the York AC compressor, which required pulling the compressor bracket, which required pulling the fan.

Maybe no one else still had a compressor in the way.

I had no trouble with reaching the bolts, but I did break an extension, a flex joint, and a wrench.
Starter comes out from below. Wheels have to be turned all the way in one direction. To the right as I recall.
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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
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  #9  
Old 12-14-2011, 09:54 AM
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Quote:
Originally Posted by kerry View Post
Starter comes out from below. Wheels have to be turned all the way in one direction. To the right as I recall.
Hmm. I tried it to the left first, and immediately realised that was wrong, so I turned it to the right. Somehow, it still didn't fit.

And to think I was the kid that figured out how to fit the square blocks in the round holes, and the star-shaped ones in the triangular holes.

Edit: Maybe it's from the motor mounts being a bit squished.
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- K.C.Adams

'77 300D Euro Delivery
OM617 turbo / 4-speed swap
404 Milanbraun Metallic / 134 Dattel MB-Tex

Current status:
* Undergoing body work


My '77 300D progress thread

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  #10  
Old 12-14-2011, 10:27 AM
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Quote:
Originally Posted by KAdams4458 View Post
Hmm. I tried it to the left first, and immediately realised that was wrong, so I turned it to the right. Somehow, it still didn't fit.

And to think I was the kid that figured out how to fit the square blocks in the round holes, and the star-shaped ones in the triangular holes.

Edit: Maybe it's from the motor mounts being a bit squished.
I don't think so. It only comes out in one exact way. It takes a lot of twisting of the starter and having the wheels in the precise correct location for it to happen. I think I once described it on a post about replacing the starter on my 77 123 NA. Some people say the stabilizer needs to be unbolted but I did not have to do that.
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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
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  #11  
Old 12-14-2011, 10:29 AM
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I don't know if it's been mentioned in this thread, but the early starters, about 1980 and earlier are SLIGHTLY different than the later units. Exchange accordingly.
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  #12  
Old 12-14-2011, 10:51 AM
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Quote:
Originally Posted by kerry View Post
Starter comes out from below. Wheels have to be turned all the way in one direction. To the right as I recall.
Yep, I took a pic and posted it on this forum when I did mine to show the orientation so I can refer back to it if I ever have to do it again. NA's are easier than turbo because there's more room to reach the upper bolt w/o the turbo.

240D starters are the same as 300D turbo starters. I had both taken apart swapping parts between them and I could see no difference. This was also confirmed by a local Bosch elec rebuild shop when I gave them p/n's of both and they said they are interchangeable.

Taking a starter from a 300D T to put in a 240D is a lot of work. I wouldn't do that unless I know 100% the 300D T starter is a good one.
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  #13  
Old 12-14-2011, 11:44 AM
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It helps that the starter literally weighs 25lbs. I weighed one once. It's definitely a two hand job.
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  #14  
Old 12-14-2011, 12:26 PM
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Quote:
Originally Posted by funola View Post
Yep, I took a pic and posted it on this forum when I did mine to show the orientation so I can refer back to it if I ever have to do it again. NA's are easier than turbo because there's more room to reach the upper bolt w/o the turbo.

240D starters are the same as 300D turbo starters. I had both taken apart swapping parts between them and I could see no difference. This was also confirmed by a local Bosch elec rebuild shop when I gave them p/n's of both and they said they are interchangeable.

Taking a starter from a 300D T to put in a 240D is a lot of work. I wouldn't do that unless I know 100% the 300D T starter is a good one.
That's not completely accurate. There's a thread on the topic here somewhere. Currently available starters may all be the same but the Bosch part numbers for the early NA starters and the later turbo starters are different. They bolt up but the later ones are more powerful. I believe the conclusion of the thread was that eventually, the earlier starters were superceded by the later turbo starters which are now sold to replace the early NA ones. There is an observable difference between the two. I replaced an early NA starter with only 50k miles on the car with a later turbo starter and the engine spun noticeably faster.
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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
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  #15  
Old 12-14-2011, 01:14 PM
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Quote:
Originally Posted by funola View Post
Yep, I took a pic and posted it on this forum when I did mine to show the orientation so I can refer back to it if I ever have to do it again. NA's are easier than turbo because there's more room to reach the upper bolt w/o the turbo.

240D starters are the same as 300D turbo starters. I had both taken apart swapping parts between them and I could see no difference. This was also confirmed by a local Bosch elec rebuild shop when I gave them p/n's of both and they said they are interchangeable.

Taking a starter from a 300D T to put in a 240D is a lot of work. I wouldn't do that unless I know 100% the 300D T starter is a good one.

I want to put a 240 starter in the 300 because its starter is NG and I want to be able to move the car around to work on it.

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