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#1
01-15-2003, 07:20 AM
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Problem driving out rear brake pad retainer pins.
I am in the process of changing the rear brake pads on my 1988 300e and I can't seem to get the pad retainers pressed out. I am driving the pins with a punch from the wheel side of the brakes to the center of the car. I am doing it properly, is there any tricks? I sprayed some WD40 on the pins to see if it might free them up.
TIA, Steve
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1997 E320 1990 Nissan 300ZX Twin Turbo (Stage X+) 
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#2
01-15-2003, 07:22 AM
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Wrong direction, you drive them toward the outside of the car.
Good luck,
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#3
01-15-2003, 01:19 PM
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Now you'll REALLY have to hammer them pretty hard since you've managed to get them seated pretty well!
Seriously, moderate tapping should work them loose. Had my 8-yr. old daughter help me last month, and she could tap them out. If you're singing railroad work songs and sledging the pins like railroad spikes, you are hitting too hard! 
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2009 ML350 (106K) - Family vehicle 2001 CLK430 Cabriolet (80K) - Wife's car 2005 BMW 645CI (138K) - My daily driver 2016 Mustang (32K) - Daughter's car
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#5
01-15-2003, 01:32 PM
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To remove those pins, first spray some sort of penetrant on the "heads" of the pins - they contain a collapsing collar that holds the pin in place.
And you do indeed drive the pins toward the centerline of the car in order to remove them 
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"If God had meant for us to walk, why did he give us feet that fit car pedals?" Sir Sterling Moss Michael 2014 E63S Estate 2006 SLK55 1995 E500 1986 Porsche 944 turbo
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#6
01-15-2003, 02:36 PM
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Hi Steve -
I think Michael's right on the direction - mine also come out by driving them towards the center of the car. Perhaps some models differ Larry? Or maybe someone put them in the opposite way... Anyway, they can be a nuisance to get out. I'd second the penetrant solution. Spray on some penetrating oil (Liquid Wrench from Canadian Tire is good), let it soak for a while and make sure you hammer the pin out squarely. When mine have been stuck I find that using a small hand-held sledge hammer works better than a regular hammer. More mass in motion=more force applied I suppose (what was that darn equation from Physics 101 anyway...F=ma...?)...a good square hit should free it - just don't miss! 
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Chris 2007 E550 4Matic - 61,000 Km - Iridium Silver, black leather, Sport package, Premium 2 package 2007 GL450 4Matic - 62,000 Km - Obsidian Black Metallic, black leather, all options 1998 E430 - sold 1989 300E - 333,000 Km - sold 1977 280E - sold 1971 250 - retired "And a frign hat. They gave me a hat at the annual benefits meeting. I said. how does this benefit me. I dont have anything from the company.. So they gave me a hat." - TheDon Last edited by Zeus; 01-15-2003 at 02:45 PM.
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#7
01-22-2003, 08:01 AM
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I ended up having to cut the pins with a dremel and pound them out. They were rusted so badly they would have probably never come out.
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1997 E320 1990 Nissan 300ZX Twin Turbo (Stage X+)
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#8
01-22-2003, 01:41 PM
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Quote:
__________________
2009 ML350 (106K) - Family vehicle 2001 CLK430 Cabriolet (80K) - Wife's car 2005 BMW 645CI (138K) - My daily driver 2016 Mustang (32K) - Daughter's car
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