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  #1  
Old 05-11-2014, 03:39 PM
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w210 rattle from front brakes?

I finally fixed all of the noises coming from my suspension, but couldn't target the last one till yesterday. I notice a slight rattle sound on bumps from the front end. Then I noticed that when I step on the brakes, even slightly it doesn't make the noise. I got out of the car and everything seems tight. I hit the tire a couple times with my fist and i could hear the rattle. Any idea what it might be or how I can remedy it? There is TONS of pad left and the rotors are good too.

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1990 Mercedes 420SEL
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Previous German cars-
2001 Mercedes SL500
1983 Mercedes 300SD
2011 BMW 328i (manual)
2008 BMW 535xi (manual)
2006 BMW M3 (manual)
1980 Mercedes 300TD
2006 BMW 750i
1996 Mercedes E300D
1994 BMW 740i
2006 BMW 330xi (manual)
1999 E300DT Smoke silver/black 253k
2012 BMW 535i Xdrive M-Sport
1984 300TD-T 304k
1988 Mercedes 560SEL (parts car)
2010 BMW 550i xdrive
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2003 E500 189k
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  #2  
Old 05-11-2014, 09:30 PM
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the 210 has similar breaks to the other model cars, but you might have a baked pad backing, you may have a caliper bolt backing out, you may have sticking pads, or similar.
I'd pull the wheel, take off the caliper, clean and lube the moving parts, and brake seal the pads to the calipers...

see if the noise goes away after that.

remember... the caliper bolts need to be CLEANED, AND BLUE LOCTITE sealed to the spindle mounts!!! DO NOT USE ANTISEIZE ON THEM!!!!
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  #3  
Old 05-11-2014, 09:55 PM
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Oh yeah like this....
warning when attaching calipers to car...
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  #4  
Old 05-29-2014, 06:41 AM
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I checked out the brakes and they are good. The entire caliper rattles when you hit it and it appears to be able to rock back and forth even though it is tightened to its fullest.
__________________
2022 Nissan Frontier Pro4x
1990 Mercedes 420SEL
1950 Packard 8

Previous German cars-
2001 Mercedes SL500
1983 Mercedes 300SD
2011 BMW 328i (manual)
2008 BMW 535xi (manual)
2006 BMW M3 (manual)
1980 Mercedes 300TD
2006 BMW 750i
1996 Mercedes E300D
1994 BMW 740i
2006 BMW 330xi (manual)
1999 E300DT Smoke silver/black 253k
2012 BMW 535i Xdrive M-Sport
1984 300TD-T 304k
1988 Mercedes 560SEL (parts car)
2010 BMW 550i xdrive
2017 Audi A4 Presitge
1979 300SD 313k
2003 E500 189k
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  #5  
Old 05-29-2014, 07:09 AM
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Quote:
Originally Posted by turbozeke418 View Post
I checked out the brakes and they are good. The entire caliper rattles when you hit it and it appears to be able to rock back and forth even though it is tightened to its fullest.
Something very wrong. Can you post a video?
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  #6  
Old 05-29-2014, 08:37 AM
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I'll try to take one soon. It's still my daily driver and stops on a dime. The rattle sound disappears when you tap the brake even slightly.
__________________
2022 Nissan Frontier Pro4x
1990 Mercedes 420SEL
1950 Packard 8

Previous German cars-
2001 Mercedes SL500
1983 Mercedes 300SD
2011 BMW 328i (manual)
2008 BMW 535xi (manual)
2006 BMW M3 (manual)
1980 Mercedes 300TD
2006 BMW 750i
1996 Mercedes E300D
1994 BMW 740i
2006 BMW 330xi (manual)
1999 E300DT Smoke silver/black 253k
2012 BMW 535i Xdrive M-Sport
1984 300TD-T 304k
1988 Mercedes 560SEL (parts car)
2010 BMW 550i xdrive
2017 Audi A4 Presitge
1979 300SD 313k
2003 E500 189k
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  #7  
Old 05-29-2014, 10:32 AM
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Take off the caliper and pack the slide pins with grease. You could also have a sticking piston. Hit the brakes on a straight piece of road and take your hands off the wheel. Does the car pull to one side? Keep in mind that the 96-97 diesel has smaller W202 front brakes, unlike all other W210s.
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  #8  
Old 05-29-2014, 05:41 PM
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Pics? I'd like to see that caliper, slide pins may be an issue, some carsneed o-rings with pads...
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
1987 190D 2.5Turbo
1987 190D 2.5Turbo
1987 190D 2.5-5SPEED!!!

1987 300TD
1987 300TD
1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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  #9  
Old 05-29-2014, 05:44 PM
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
1987 190D 2.5Turbo
1987 190D 2.5Turbo
1987 190D 2.5-5SPEED!!!

1987 300TD
1987 300TD
1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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  #10  
Old 06-02-2014, 11:48 PM
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Join Date: Mar 2010
Location: Freehold, NJ
Posts: 501
Sorry guys...Trying to find the time to pull the wheel and take pics/video of it
__________________
2022 Nissan Frontier Pro4x
1990 Mercedes 420SEL
1950 Packard 8

Previous German cars-
2001 Mercedes SL500
1983 Mercedes 300SD
2011 BMW 328i (manual)
2008 BMW 535xi (manual)
2006 BMW M3 (manual)
1980 Mercedes 300TD
2006 BMW 750i
1996 Mercedes E300D
1994 BMW 740i
2006 BMW 330xi (manual)
1999 E300DT Smoke silver/black 253k
2012 BMW 535i Xdrive M-Sport
1984 300TD-T 304k
1988 Mercedes 560SEL (parts car)
2010 BMW 550i xdrive
2017 Audi A4 Presitge
1979 300SD 313k
2003 E500 189k
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  #11  
Old 06-13-2014, 01:05 AM
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Join Date: Mar 2010
Location: Freehold, NJ
Posts: 501
So...the Rattle...was from both front calipers not having anti rattle clips/springs on them. I guess I never heard the rattling before with all the suspension problems. Fixed all the suspension noises and then started to notice the rattling in the front brakes. All good and quiet now.

__________________
2022 Nissan Frontier Pro4x
1990 Mercedes 420SEL
1950 Packard 8

Previous German cars-
2001 Mercedes SL500
1983 Mercedes 300SD
2011 BMW 328i (manual)
2008 BMW 535xi (manual)
2006 BMW M3 (manual)
1980 Mercedes 300TD
2006 BMW 750i
1996 Mercedes E300D
1994 BMW 740i
2006 BMW 330xi (manual)
1999 E300DT Smoke silver/black 253k
2012 BMW 535i Xdrive M-Sport
1984 300TD-T 304k
1988 Mercedes 560SEL (parts car)
2010 BMW 550i xdrive
2017 Audi A4 Presitge
1979 300SD 313k
2003 E500 189k
Reply With Quote
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