I plan to replace the rotors on my 85 300D. Since, I am in Mexico, I am having the rotors sent to a friend who is driving down next week. When replacing rotors are there other parts that should be replaced at the same time? While the wheels are disassembled, should i check other items such as hubs, bearings, etc.? Thanks for any advice!
dave

On a 123 you will have to remove the wheel bearings to get the rotors off. So it's not only a good time, but sort of required that you repack and adjust the wheel bearings.

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68 280SL - 70 280SL - 70 300SEL 3.5 - 72 350SL - 72 280SEL 4.5 - 72 220 - 72 220D - 73 450SL - 84 230GE - 87 200TD - 90 190E 2.0 - 03 G500

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thank you, Paul. that is just the kind of heads-up i was hoping for

You'll need a set of seals (1 each side) for the bearings as well, as they are one time use and will be destroyed when you remove them to get to the bearings. Also, if you have never packed bearings before look up a video on how to do it. Not hard, but if you've never seen it done you probably won't do it properly.

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2004 F150 4.6L -My Daily
2007 Volvo XC70 -Wife's Daily
1998 Ford F150 -Rear ended
1989 J-spec 420SEL -passed onto its new keeper
1982 BMW 733i -fixed and traded for the 420SEL
2003 Volvo V70 5 Speed -scrapped
1997 E290 Turbo Diesel Wagon -traded for above
1992 BMW 525i -traded in
1990 Silver 300TE -hated the M103
1985 Grey 380SE Diesel Conversion, 2.47 rear end, ABS -Sold, really should have kept this one
1979 Silver 300D "The Silver Slug" -Sold

You will also need some cleaning solvent to clean the bearings before repacking them. Never use gasoline as it will leave a film on the bearings that will attract dirt/grime. If you cannot get any solvent a very good wipe down with a clean rag will work also.

Thank you everybody for your valuable advice!
Mush appreciated.

I would just go to a drug store and buy some isopropyl alcohol if I couldn't get solvent or brake cleaner....

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2004 F150 4.6L -My Daily
2007 Volvo XC70 -Wife's Daily
1998 Ford F150 -Rear ended
1989 J-spec 420SEL -passed onto its new keeper
1982 BMW 733i -fixed and traded for the 420SEL
2003 Volvo V70 5 Speed -scrapped
1997 E290 Turbo Diesel Wagon -traded for above
1992 BMW 525i -traded in
1990 Silver 300TE -hated the M103
1985 Grey 380SE Diesel Conversion, 2.47 rear end, ABS -Sold, really should have kept this one
1979 Silver 300D "The Silver Slug" -Sold

Two sets of bearings for the fronts, as mentioned you must remove the outer bearings, but the inner ones only if you want.

A good idea, also as mentioned, this is where you need new seals.

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83 SD

84 CD

better to stop by home depot/lowes or a walmart and get a container of acetone, use a metal can to wash the bearings in - acetone melts some plastics.

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2012 BMW X5 (Beef + Granite suspension model)

1995 E300D - The original humming machine (consumed by Flood 2017)
2000 E320 - The evolution (consumed by flood 2017)

I changed front rotors on my 1985 10 years ago and don't recall having to remove the hub. Indeed, I checked the wheel bearings several years ago and know that was the first time because I noticed the "clamp nut" instead of the "cotter-pin castle nut" on my old Mopars.

Like many Euro cars, the rotor is secured to the front of the hub w/ a large Phillips-head screw. You might need penetrating oil and an impact screw-driver to free it. If you end up having to drill it out, I doubt that screw is needed and was just a factory aid. Most American factories used a thin push washer you can break off and toss. The wheel studs secure the rotor. A missing screw would very slightly affect wheel balance though.

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1984 & 1985 CA 300D's
1964 & 65 Mopar's - Valiant, Dart, Newport
1996 & 2002 Chrysler minivans

nope...

the rotor is bolted to the hub from the inside... the hub has to come off.

the 201 and 124 were the first mb's with the rotor held on with a set screw.

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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
1987 190D 2.5Turbo
1987 190D 2.5Turbo
1987 190D 2.5-5SPEED!!!

1987 300TD
1987 300TD
1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!

I was in Home Depot to day and they had a section with Automotive Stuff and Brake and Cab. cleaner were on the shelf.

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84 300D, 82 Volvo 244Gl Diesel

The first time I adjusted the Front Wheel Bearing play I did not use a Dial Indicator and ended up overheating the Grease after a short drive.

Since that time I have had the Front Hubs off several times and always used a Dial Indicator to adjust the play and have never had any negative issues.

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84 300D, 82 Volvo 244Gl Diesel

http://www.peachparts.com/shopforum/diesel-discussion/236897-how-guide-replace-front-brake-pads-rotors-w123.html


http://www.peachparts.com/shopforum/diesel-discussion/214123-how-replace-front-rotor-w123.html



Charlie


sent from my pos computer

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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

You will need a big hammer....... trust me.... almost ripped my arms off trying to get those old ones off mine.