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#1
04-08-2006, 10:33 PM
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C230 - Unusual brake problem - are rear calipers prone to problems?
I did a brake job last fall. Replaced all rotors and pads. When I did the rear brakes, I had some problems:
- The single retainer pins were difficult to drive out. - Both calipers were really rusty. - On one side, the caliper was so rusty that the replacement pads would not fit into the caliper. I had to reuse the existing pads on that side. It wasn't very worn, about half life, so I reused it and crossed my fingers  At first, the new brakes were OK, but not great. I felt a slight warp at first. Now, after about 10,000 miles, they're horrible. I have a bad pulsation on the pedal, squeal when I come to a stop. Sometimes, first thing in the morning, they grind a little. I need to fix something, but what? I was considering replacing the rear calipers. Anyone have advise on where to start? Thanks for any advise! Don Last edited by DonB; 04-09-2006 at 12:13 AM. 
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#2
04-09-2006, 02:35 AM
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Answer:
I suggest replacing both rear calipers, flex hoses, pads and rotors.
Best guess: Collapsed flex hoses acting as one way valves and/or both calipers have sticking pistons + the rotors are warped past salvage. Brake: Brake: Have a great day.
__________________
ASE Master Mechanic https://whunter.carrd.co/ Prototype R&D/testing: Thermal & Aerodynamic System Engineering (TASE) Senior vehicle instrumentation technician. Noise Vibration and Harshness (NVH). Dynamometer. Heat exchanger durability. HV-A/C Climate Control. Vehicle build. Fleet Durability Technical Quality Auditor. Automotive Technical Writer 1985 300SD 1983 300D 2003 Volvo V70 https://www.boldegoist.com/ Last edited by whunter; 04-09-2006 at 04:00 PM.
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#3
04-09-2006, 01:53 PM
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Is this a problem on the C230s? IF so..is it earlier models or later models..I just purchased an 05.
Thanks
__________________
Rob Armstrong, Charlotte, NC Mountain Island Lake RobAinCLTNC@hotmail.com 2004 VW Passat GLS TDI-50k 2006 Honda Odyssey EX-L 7k FOR SALE 1991 300TE 228k 2003 Subaru Outback 57k Silver/Black-SOLD 2005 C230K 18k Pewter/Grey-SOLD 1997 E420 108k Black/Grey-SOLD 1986 560sl 200k Black/Palimino-SOLD 1985 300sd 340k-SOLD 1979 240d 170k-SOLD 2000 Volvo V70XC-POS couldn't sell fast enough
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#4
04-09-2006, 02:14 PM
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It's been posted elsewhere that the single-pin rear calipers (like on the 05's) tend to squeal unless you replace the rotors when you put in new pads.
However, I'd be surprised if an 05 had problems with bad hoses or sticky calipers. Change your brake fluid often.
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#5
04-09-2006, 02:30 PM
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More often than the MB recommendation?
__________________
Rob Armstrong, Charlotte, NC Mountain Island Lake RobAinCLTNC@hotmail.com 2004 VW Passat GLS TDI-50k 2006 Honda Odyssey EX-L 7k FOR SALE 1991 300TE 228k 2003 Subaru Outback 57k Silver/Black-SOLD 2005 C230K 18k Pewter/Grey-SOLD 1997 E420 108k Black/Grey-SOLD 1986 560sl 200k Black/Palimino-SOLD 1985 300sd 340k-SOLD 1979 240d 170k-SOLD 2000 Volvo V70XC-POS couldn't sell fast enough
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#6
04-09-2006, 03:42 PM
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Quote:
 Changing brakefluid every other year is plenty good enough. Heck,.....most vehicles on the road never see a fluid change in their whole life. 
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2007 C 230 Sport.
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#7
04-09-2006, 04:17 PM
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never been burned on a MB..but have on a POS Volvo..just want to watch out for possible problems..thanks Manny..have a great Sunday.
__________________
Rob Armstrong, Charlotte, NC Mountain Island Lake RobAinCLTNC@hotmail.com 2004 VW Passat GLS TDI-50k 2006 Honda Odyssey EX-L 7k FOR SALE 1991 300TE 228k 2003 Subaru Outback 57k Silver/Black-SOLD 2005 C230K 18k Pewter/Grey-SOLD 1997 E420 108k Black/Grey-SOLD 1986 560sl 200k Black/Palimino-SOLD 1985 300sd 340k-SOLD 1979 240d 170k-SOLD 2000 Volvo V70XC-POS couldn't sell fast enough
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#8
04-09-2006, 04:24 PM
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ps...very nice occupation..often wondered how you get into that
__________________
Rob Armstrong, Charlotte, NC Mountain Island Lake RobAinCLTNC@hotmail.com 2004 VW Passat GLS TDI-50k 2006 Honda Odyssey EX-L 7k FOR SALE 1991 300TE 228k 2003 Subaru Outback 57k Silver/Black-SOLD 2005 C230K 18k Pewter/Grey-SOLD 1997 E420 108k Black/Grey-SOLD 1986 560sl 200k Black/Palimino-SOLD 1985 300sd 340k-SOLD 1979 240d 170k-SOLD 2000 Volvo V70XC-POS couldn't sell fast enough
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