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7 Series - E65 / E66 (2002 - 2008)
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  #1  
Old 04-24-2011, 09:17 AM
TechFreak TechFreak is offline
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A heads up for older E65/E66's .....Rear Wheel Rattle... found and sorted !

I had a rattle at the rear of my car which i could only hear if i had the back windows open while the car was going over bumps at very low speed......it sounded tinny almost like the Brake Disk Back Plate was loose....

Eventually i narrowed it down to the Parking Brake inside the Brake Disk Hub......

It turns out that the 'Expanding Lock' part number 5 in the drawing below was the cause :



When its dry and worn the spring inside it doesn't pull the Bowden Brake Cable tight enough and it rattles like having coins inside your wheel hub....

My mate slapped loads of grease on it and bent the spring back a little .....lo and behold totally silent now ....
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Last edited by TechFreak; 04-24-2011 at 09:20 AM.
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  #2  
Old 04-24-2011, 09:25 AM
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DFEL750I DFEL750I is offline
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That would be a pain to find out. A lot of guys forget to adjust this when they are changing the rear rotors to make sure that the parking brakes work correctly
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Old 04-26-2011, 02:31 AM
mikegoblan mikegoblan is offline
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Man you are pure awesome.

It's so irritating that it drives me nuts,

Is it an easy job to do it yourself? or do I need to find someone and spend a 100 dollars on ? because this just drives me crazy to hear it. makes my BMW sounds like a 89 Toyota ( With all respect to Toyota holders )
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Old 04-26-2011, 05:14 AM
Tkrtape12 Tkrtape12 is offline
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Wow what a great find...thanks for the heads up...
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  #5  
Old 04-26-2011, 06:16 AM
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DFEL750I DFEL750I is offline
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Quote:
Originally Posted by mikegoblan View Post
Man you are pure awesome.

It's so irritating that it drives me nuts,

Is it an easy job to do it yourself? or do I need to find someone and spend a 100 dollars on ? because this just drives me crazy to hear it. makes my BMW sounds like a 89 Toyota ( With all respect to Toyota holders )
If youve doen brakes and rotors before yourself I dont see why you wouldnt be able to give the repair a try or atleast inspect to see if you have a problem. The rear caliper and rotor will need to come out.
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Old 04-26-2011, 08:00 AM
TechFreak TechFreak is offline
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Quote:
Originally Posted by DFEL750I View Post
If youve done brakes and rotors before yourself I dont see why you wouldnt be able to give the repair a try or at least inspect to see if you have a problem. The rear caliper and rotor will need to come out.
DEF750I is correct......only the brake rotor/disk and the brake caliper need to come off (but not disconnected). Nice and easy once youve done it once. If you've not had your brake calipers off before then the 2 bolts that hold it on could be the hardest to remove.

Once removed ....If you flick the Expandable Lock in the parking brake (detailed in pic above) with your finger you may here it rattle ...thats the problem.
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Last edited by TechFreak; 06-03-2011 at 08:39 AM.
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  #7  
Old 06-03-2011, 08:40 AM
TechFreak TechFreak is offline
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Hmmm.......the rattle is back again ....so i'm going to change the 'Expanding Lock' on each side to see if it cures it .....
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Old 08-06-2011, 11:27 PM
TechFreak TechFreak is offline
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Forgot to update this thread ....

I fitted new 'Expanding Lock's' on both sides and everything is nice and tight now ......Rattle gone !!
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