Hello All,

The right rear caliper has seized and is grinding on my rotor. I want to fix it myself. My mechanic wants way to much to do it and funds are just to tight right now. The car is a 1980 (W116) 300SD Turbo diesel. Has anyone run into this issue and fixed it themselves in here? Is there a way to just disconnect that break? HELP!!!!

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1973 280 - Sold
1980 300SD - Sold
1982 240D - Stolen
1988 300E - Sold
1989 260E - Sold
1989 560SEL
1994 E420 - Sold
1997 E420
2005 CL500

Do a search. It could be the brake line.

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1998 C230 330,000 miles (currently dead of second failed EIS, yours will fail too, turning you into the dealer's personal human cash machine)
1988 F150 144,000 miles (leaks all the colors of the rainbow)
Previous stars: 1981 Brava 210,000 miles, 1978 128 150,000 miles, 1977 B200 Van 175,000 miles, 1972 Vega (great, if rusty, car), 1972 Celica, 1986.5 Supra

Don't try to disconnect just that brake. The car would be horribly unbalanced and unsafe for even light braking.

Not sure what you mean by disconnecting that "brake". If you mean remove the caliper to replace, then yes. Two bolts hold the caliper on plus the brake line. Check around, you can buy a rebuilt caliber for about $40 bucks plus your core.

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Question Authority before it Questions you.

Is replacing a caliper a DIY job?

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1973 280 - Sold
1980 300SD - Sold
1982 240D - Stolen
1988 300E - Sold
1989 260E - Sold
1989 560SEL
1994 E420 - Sold
1997 E420
2005 CL500

yes. make sure you get SpeedBleeders and its a half hour 1 person job.

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1992 850i 6 speed
1991 M3 S54B32 swap
2007 328iT/6 RWD sport wagon
1987 325E 330iZHP engine swap
2004 Vespa 200GT
1976 W115 240D getting a much bigger engine. 5.5L
1997 R129 SL600 5AT

Yes, but replace the brake hoses as well since they are old. Also, calipers should be replaced in pairs (both fronts or both backs).

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TC
Current stable:
- 2004 Mazda RALLYWANKEL
- 2007 Saturn sky redline
- 2004 Explorer...under surgery.

Past: 135i, GTI, 300E, 300SD, 300SD, Stealth

How do you know it's siezed? Have you actually seen this siezure? Bet not eh?

???

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http://i193.photobucket.com/albums/z...-RESIZED-1.jpg
1991 300E - 212K and rising fast...

you have to do this yourself....I just did my 1990 300TE front brakes, which were down to backing plates for $21 out the door from AutoZone....the pistons DID retract and the rotors did NOT require anything...brakes are the biggest bag of profit for a car repair shop that there is...no question.....sort of like Coca-Cola at McDonalds, they LOVE to sell you soda at $1 that costs them 6 cents, pure profit.....

You will never get out of a car repair shop for a brake repair job for less than $300.....won't happen

A very simple job, but you gotta do some homework first. Buy a book, even if it's just the Chiltons manual. Better yet, get a copy of the MB repair CD. Personally, I don't understand how anybody could own a 30 year car and not know how to do brakes.

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Question Authority before it Questions you.

believe me...nothing...assuming you have experience...you do have experience yes? In general automotive repair? Yes? Otherwise I would say no....this could be $30 or it could $500....I am serious

I don't care about brakes anymore....swear to God, ALL brakes (disk or drum) work the same way and it doesn't matter if its' a Fiat or a Chevy or a BMW or Yugo...I don't care...braking systems all work the same way...It's what they call, hydrolic or something like that there....

Ignore 'Cliffmac' once again. Do not purchase cheap aftermarket rotors or pads. They will squeak and rumble from day one. Stick with OE or reputable German brands. Period.

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2016 Monsoon Gray Audi Allroad - 21k
2008 Black Mercedes E350 4Matic Sport - 131k
2014 Jeep Wranger Unlimited Sahara - 62k
2003 Gray Mercedes ML350 - 122k