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#1
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4.4/4.6/4.8 rear caliper dust boot replacement
So I just bought a set of used rear calipers and I wanted to fully rebuild them but I can't find any way to remove the dust boot. I removed the piston and everything else from the caliper body. I've cleaned everything and am ready to reassemble the parts but I can't get the boot back over the piston. Is there a way to remove the dust boot somehow??? It seems fused onto or pressed onto the caliper permanently and ive been pulling hard. Hard enough to the point that I don't care if I rip (yet it's NOT ripping). Argh. Any advice please? Sent from my Pixel 3 using Tapatalk
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I swear, my cars are like a girlfriend. Sometimes its a rough ride, sometimes its smooth motorin'. Sometimes she doesnt like how i treat her and sometimes i dont like how she behaves. BUT at the end of the day, she loves it when I am inside her. _______________________ '91 850i '05 X5 4.4i '09 Clubman S |
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#2
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I rebuilt 4.6is calipers not long ago, and iirc the dust boots were a little tricky. I used a pick tool to get them off, which was the easy part. Getting them reseated was a bit more frustrating. Use lots of brake fluid as lubricant.
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2012 xDrive35d 2001 BMW X5 3.0i 5MT and two 1987 Corvettes - Callaway Twin Turbo and Guldstrand Grand Sport 80 Block Tester |
#3
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Quote:
PS I have Raybestos Hydraulic brake assembly fluid and its amazingly nice for the rebuild.
__________________
I swear, my cars are like a girlfriend. Sometimes its a rough ride, sometimes its smooth motorin'. Sometimes she doesnt like how i treat her and sometimes i dont like how she behaves. BUT at the end of the day, she loves it when I am inside her. _______________________ '91 850i '05 X5 4.4i '09 Clubman S |
#4
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Found a great video for an E46 that is exactly the same for an e53 rear caliper
The damn dust boot has a metal ring embedded in boot that caught me by surprise as it press fits over a metal lip on the caliper. https://youtu.be/C3UCMgKiFxU Sent from my Pixel 3 using Tapatalk
__________________
I swear, my cars are like a girlfriend. Sometimes its a rough ride, sometimes its smooth motorin'. Sometimes she doesnt like how i treat her and sometimes i dont like how she behaves. BUT at the end of the day, she loves it when I am inside her. _______________________ '91 850i '05 X5 4.4i '09 Clubman S |
#5
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And for good measure, here is how to remove front dust boots during the rebuild.
Very simple if you have the proper tools and assembly fluids and patience. https://youtu.be/WHaxVxt_MX0 Sent from my Pixel 3 using Tapatalk
__________________
I swear, my cars are like a girlfriend. Sometimes its a rough ride, sometimes its smooth motorin'. Sometimes she doesnt like how i treat her and sometimes i dont like how she behaves. BUT at the end of the day, she loves it when I am inside her. _______________________ '91 850i '05 X5 4.4i '09 Clubman S |
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