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  #1  
Old 04-11-2012, 03:53 PM
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Join Date: Mar 2010
Location: Central Massachusetts
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'81 300D parking brake not working

Guys, what's the most common sense thing that would cause my parking brake to not engage? My pedal pushes to the floor and BRAKE light comes on dash as expected, but when I shift it into gear the car moves. The disengaged peddle has a little slack/play as well... When I disengage the parking brake it doesn't pop all the way back up. I have to pull it up with my hand a few inches to get the BRAKE light to turn off. Is this an easy adjustment? This was the only thing keeping me from passing inspection today...
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  #2  
Old 04-11-2012, 04:22 PM
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Join Date: Jul 2011
Location: NW Washington
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Check under the rear rotors....

removing them reveals the parking brake shoes. If they are shot or full of cracks, they have them available here-

PeachParts FastLane Mercedes Parts Store

Replacing the shoes should restore function to the parking brake, and get that thing to THUMP when you release the brakes.

snapped_bolt
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'81 240D For now, a good place to borrow new parts
'80 300TD Probably will be put back into service!
'79 240D BACK IN SERVICE SINCE 09/16; limited use, oil leak. Guide pin r/sealed/replaced. Still a leak. Front crank seal....
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  #3  
Old 04-11-2012, 04:28 PM
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Something I can do in a couple hours over a weekend?


Quote:
Originally Posted by snapped_bolt View Post
removing them reveals the parking brake shoes. If they are shot or full of cracks, they have them available here-

PeachParts FastLane Mercedes Parts Store

Replacing the shoes should restore function to the parking brake, and get that thing to THUMP when you release the brakes.

snapped_bolt
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  #4  
Old 04-11-2012, 04:37 PM
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I would try adjusting the E brake shoes. You turn a "star" with a screw driver (or special tool) through a lug nut hole like the old VWs. Do you have a Haynes manual? There is another adjustment in the cable underneath.
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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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  #5  
Old 04-11-2012, 05:08 PM
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I do have a Haynes manual and I'll have to try those adjustments. Thanks guys.


Quote:
Originally Posted by Stevo View Post
I would try adjusting the E brake shoes. You turn a "star" with a screw driver (or special tool) through a lug nut hole like the old VWs. Do you have a Haynes manual? There is another adjustment in the cable underneath.
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  #6  
Old 04-11-2012, 05:44 PM
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In every case of the E brake pedal going WAY down, that I had, the shoes just needed adjusting, I had to pull the rotor on the last one as the star was being stubborn, all pretty easy.
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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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  #7  
Old 04-11-2012, 06:51 PM
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Join Date: Mar 2010
Location: Central Massachusetts
Posts: 59
Thanks -- what's the right tool for adjusting the star?


Quote:
Originally Posted by Stevo View Post
In every case of the E brake pedal going WAY down, that I had, the shoes just needed adjusting, I had to pull the rotor on the last one as the star was being stubborn, all pretty easy.
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  #8  
Old 04-20-2012, 08:49 PM
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Location: Long Beach,CA
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When you change the Parking Brake Shoes there is a Specal Tool to remove the Retaining Springs.
Is there a DIY method to do that without the Tool?
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