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#1
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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. |
#2
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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.
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ASE Master Mechanic asemastermechanic@juno.com 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 1984 190D 2003 Volvo V70 2002 Honda Civic https://www.boldegoist.com/ Last edited by whunter; 04-09-2006 at 04:00 PM. |
#3
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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
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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 |
#4
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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. |
#5
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More often than the MB recommendation?
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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 |
#6
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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. |
#7
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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.
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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 |
#8
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ps...very nice occupation..often wondered how you get into that
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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 |
#9
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Quote:
Gotta have some fun.
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2007 C 230 Sport. |
#10
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Wow, great collection of links! I took me all morning to read through them.
It sounds like you're pretty convinced that the rear brakes are the problem. Do I need to do anything with the front brakes at all? Should I get them turned just in case? Thanks again for the help, Don PS - This is a 1999 C230 - Kompressor |
#11
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If you installed new rotors at the front ( decent quality ), I don't see the point of getting them turned.
You may want to check ( or have it checked ) the run-out of them. Front & rear.
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2007 C 230 Sport. |
#12
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55k on the same rotors and pads on mine. No warpage, no squealage.
I'm easy on my brakes. Vented 17" AMG wheels with a big footprint probably contribute to the lack of wear too.
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former: 83 300D, 97 C230, 93 400E current: 08 C300 Luxury , 92 500SL |
#13
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I don't know if those are the same as on my 98 but I did mine last year and had no problems on the install. I did not change the rotors since they had 90% of wear range still there. I used all the correct paste and instructions per AllData. I ended up with some groan when coming to a stop. This lasted about a year. I attributed this to using ATE pads but I don't really know why it happened. That was the only issue though. No rust etc.
Mike
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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 |
#14
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Answer
Quote:
I replace the flex hoses any time the caliper must be replaced = experience with too many collapsing internally to become one way valves = cheap insurance. If you can feel the warped rotor = 99% sure the rotors, even if cut will last less than six months with a light foot. |
#15
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OK, I got the parts from *************** and did the rear brakes:
ATE N1040-110890 Brake Caliper 81.25 ATE N1040-110891 Brake Caliper 79.85 FTE N7000-98698 Brake Hose 20.14 CFW N7000-98698 Brake Hose 25.75 BAL N1000-54215 (2) - Brake Disc 66.72 PBR N1010-113300 Brake Pad Set Deluxe 45.19 The pulsation was significantly improved, but I still get a nasty pulsation when I hit the brakes at freeway speeds and some in normal around town driving, mostly from the front. I'm going to get the front rotors turned today, but I don't know if that will help. Anyone have any other suggestion? Thanks, Don
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2008 ML350 2007 Honda Element 2007 Honda Accord 2009 Honda Civic |
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