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  #1  
Old 05-20-2006, 05:56 PM
mj_sid's Avatar
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Location: San Jose CA
Posts: 146
Exclamation SDL Urgent Brake Help Needed

Hello All,
I decided to change out my rear pads and disks on my 87 300SDL this afternoon and have ran into a problem. The passenger side disk (driver side already done) will not come loose. The parking break appears to be locked in place; we've tried releasing it and reapplying and releasing again, we've tried beating it out, we've tried heat. The parking break seems to be holding it in place. Anybody have any ideas on how to proceed???

Thanks,
Matt
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KI6CCA

Current Stable:
1987 300SDL
1980 450SEL

Out to Pasture:
1982 300D KIA (Rice Rocket vs. 123: He hit me at 80-100MPH I walked away he went to the hospital. Sounds fair to me!)
1985 300D EURO Scrapped (got more money from state than car was worth)
1979 & 1980 300SD Great Cars!
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  #2  
Old 05-20-2006, 06:10 PM
Hit Man X's Avatar
I LOVE BRUNETTES
 
Join Date: Sep 2004
Location: FUNKYTOWN
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Have you tried taking the mechanical linkage off and tapping on it to see if it'll release?

Seems odd why it'd bind like that...
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I'm not a doctor, but I'll have a look.

'85 300SD 245k
'87 300SDL 251k
'90 300SEL 326k

Six others from BMW, GM, and Ford.

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  #3  
Old 05-20-2006, 06:56 PM
mj_sid's Avatar
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Join Date: Mar 2003
Location: San Jose CA
Posts: 146
We'll i've put it back together for the night (or a couple; it's supposed to start raining soon). I tried to remove the cable that hooks the emergency brake up (it is a cable with a bracket and a screw that holds it on) but once I take the screw out the cable wont budge. I also tried lifting the driver side and the axle will turn when the parking brake is released (so I guess that the brake isnt on very much {if at all???}).

So pretty much I have no idea but the car is back together untill the rain ends then I will try to tackle it again. The only good news is that the brakes dont squeele like crazy any more.

--Matt
__________________
KI6CCA

Current Stable:
1987 300SDL
1980 450SEL

Out to Pasture:
1982 300D KIA (Rice Rocket vs. 123: He hit me at 80-100MPH I walked away he went to the hospital. Sounds fair to me!)
1985 300D EURO Scrapped (got more money from state than car was worth)
1979 & 1980 300SD Great Cars!
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  #4  
Old 05-20-2006, 08:31 PM
sixto's Avatar
smoke gets in your eyes
 
Join Date: Jun 2000
Location: SF Bay Area
Posts: 20,791
Is the rotor off the hub and only the park brake pads holding it or is the rotor not off the hub at all?

Did you back off the star wheel? Set a lug hole on the 45-degree line pointing forward and up then back off the star wheel all the way.

Sixto
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  #5  
Old 05-20-2006, 10:56 PM
mattdave
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Need more help

Sixto were not comprehending your instructions could you elabort on how to do this? A question who installed the current braks?
Dave S
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  #6  
Old 05-20-2006, 11:07 PM
sixto's Avatar
smoke gets in your eyes
 
Join Date: Jun 2000
Location: SF Bay Area
Posts: 20,791
I don't recall touching the rear brakes. At most I changed the main pads.

Easiest thing is to pull a rear rotor of a 123 or 126 so you can see the star wheel. There's a good picture in the Haynes W123 manual. You can also check mb.braingears.com . Maybe this shortcut will work - http://mb.braingears.com/126_DISC1/program/Chassis/42-0540.pdf

Sixto
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