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  #1  
Old 02-01-2015, 12:51 AM
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240D starter bolt question

So I discovered my starter motor is missing this lower mounting bolt as seen in this pic. It jut so happens that I have a spare 300D starter lying around in my garage that I picked up when I had my last 240D. It has the same mounting bracket and both bolts in it and I'm hoping these bolts are the same between the 240 and 300. Does anybody know if this is the case? If so I'll simply use one of these bolts from the 300 starter to replace the missing one.



- Peter.

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2021 Chevrolet Spark
Formerly...
2000 GMC Sonoma
1981 240D 4spd stick. 347000 miles. Deceased Feb 14 2021
2002 Kia Rio. Worst crap on four wheels
1981 240D 4spd stick. 389000 miles.
1984 123 200
1979 116 280S
1972 Cadillac Sedan DeVille
1971 108 280S
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  #2  
Old 02-01-2015, 01:34 AM
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My 240 starter was missing that same bolt! I just went to the hardware store and got a coarse thread metric bolt with a 10mm head, so I'm sure that there is nothing unique about those bolts. The one from your 300 starter will work, I'm sure. If the head size matches, go for it.

Kurt
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- '79 240D - engine swap complete! Engine broken in! 28-31 mpg! Lovin' the ride!
- '86 190D (W201-126) - 2.5 NA engine, 5 speed, cloth interior, manual climate controls, 33-34 mpg (sold to forum member).
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  #3  
Old 02-01-2015, 03:43 AM
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Yep nothing all that special about that bolt - almost certainly coarse thread like Kurt says

(Time to buy an assortment box of 8.8 grade general purpose coarse thread metric nuts and bolts?)
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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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  #4  
Old 02-01-2015, 10:57 AM
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But be sure the bolt is simply missing and not snapped-off in the starter,
and the starter-threads for that lower bolt are intact and DO line-up with the bracket,
or it could turn into a project!

Happy Motoring, Mark
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Old 02-01-2015, 12:12 PM
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Useful advice folks. Thanks. By the way. I went on a long freeway run yesterday. Between 55 and 75 for about an hour and a half and I have to say. Within it's range, say from 30 to 75 the car performs great and not only has no trouble keeping up with traffic but performing any necessary passing maneuvers etc. Of course getting up to about 35 - 40 or so can be a bit "different" and when you are above 65 ear plugs might be a decent accessory. But this car is a great driver.

- Peter.
__________________
2021 Chevrolet Spark
Formerly...
2000 GMC Sonoma
1981 240D 4spd stick. 347000 miles. Deceased Feb 14 2021
2002 Kia Rio. Worst crap on four wheels
1981 240D 4spd stick. 389000 miles.
1984 123 200
1979 116 280S
1972 Cadillac Sedan DeVille
1971 108 280S
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  #6  
Old 02-01-2015, 12:20 PM
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Quote:
Originally Posted by pj67coll View Post
...and when you are above 65 ear plugs might be a decent accessory. But this car is a great driver.

- Peter.
Get some aerospace303 on the door seals - see if you can get them to fit a bit better. This will cut down on noise.
__________________
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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  #7  
Old 02-01-2015, 12:38 PM
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Quote:
Originally Posted by Stretch View Post
Get some aerospace303 on the door seals - see if you can get them to fit a bit better. This will cut down on noise.
No much chance of that I'm afraid. They are old and broken. In some places, like right next to my left ear there's about a six inch gap in the seal. I'll be replacing them eventually. It's just not very high on my priority list. I have to attend to any mechanical issues that demand action first.

My two biggest irritations are the blower fan that won't switch off. I have a replacement switch for it, just haven't had the time to tear the center console apart yet. And the glove box latch. I'm in the process of attempting to fix that as the glove box wont' close.

I'm also trying to get the paint decently cut and polished and the engine bay as clean as possible. Not just because it looks better but also so I can trace any leaks/issues more easily.

- Peter.
__________________
2021 Chevrolet Spark
Formerly...
2000 GMC Sonoma
1981 240D 4spd stick. 347000 miles. Deceased Feb 14 2021
2002 Kia Rio. Worst crap on four wheels
1981 240D 4spd stick. 389000 miles.
1984 123 200
1979 116 280S
1972 Cadillac Sedan DeVille
1971 108 280S
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  #8  
Old 02-01-2015, 02:53 PM
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Peter, That center fan control switch is a real bugger to replace. before doing so make sure the control cable is free moving or the new switch could get ruined.
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1985 Euro 240D 5 spd 140K
1979 240D 5 spd, 40K on engine rebuild
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"Lifes too short to drive a boring car"
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  #9  
Old 02-01-2015, 05:17 PM
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That bottom starter bracket bolt is not a big issue with the 240D with a 616 but a 617 is another issue from what I was told. One of my 240D's had that bracket secured with all bolts and on the second 240D the bracket was missing.
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  #10  
Old 02-01-2015, 05:31 PM
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That might be like the bracket on the back of the IP, maybe we could do without it, like the oil cooler on the 616
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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"
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  #11  
Old 02-01-2015, 07:01 PM
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Quote:
Originally Posted by steeleygreg View Post
That bottom starter bracket bolt is not a big issue with the 240D with a 616 but a 617 is another issue from what I was told. One of my 240D's had that bracket secured with all bolts and on the second 240D the bracket was missing.
Why do you think that?? 616 and 617 starters are identical and interchangeable. Mercedes put that bracket there for a reason, i.e. to support the starter so it does not flop around. Without it, the front bushing will wear prematurely.
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  #12  
Old 02-01-2015, 07:05 PM
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Torque required to start the engine, but I could be wrong with that. Although me daily driver (240D) doesn't have one, and it hasn't fallen off in 2 years. Funola, I agree with your reasoning. Out of the two I still have, neither has that bracket. The one I sold did.
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  #13  
Old 02-01-2015, 07:16 PM
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Quote:
Originally Posted by steeleygreg View Post
Torque required to start the engine, but I could be wrong with that. Although me daily driver (240D) doesn't have one, and it hasn't fallen off in 2 years.
It will not fall off. It will wear the bushing prematurely and you will have to replace the starter when it gets bad enough. Why do you think Mercedes put that bracket there if it's not needed? It's a big, heavy and long starter and that support bracket is definitely needed if you want the starter to last.
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85 300D turbo pristine w 157k when purchased 161K now
83 300 D turbo 297K runs great. SOLD!
83 240D 4 spd manual- parted out then junked
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  #14  
Old 02-01-2015, 07:37 PM
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Thanks. I learned something new! I'll start searching for a bracket.
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  #15  
Old 02-01-2015, 08:08 PM
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Quote:
Originally Posted by Stevo View Post
Peter, That center fan control switch is a real bugger to replace. before doing so make sure the control cable is free moving or the new switch could get ruined.
Yes. I know. And I'll be checking that out before I do anything with it.

- Peter.

__________________
2021 Chevrolet Spark
Formerly...
2000 GMC Sonoma
1981 240D 4spd stick. 347000 miles. Deceased Feb 14 2021
2002 Kia Rio. Worst crap on four wheels
1981 240D 4spd stick. 389000 miles.
1984 123 200
1979 116 280S
1972 Cadillac Sedan DeVille
1971 108 280S
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