I'm having problems with the inner seal on my front rebuild kit. The seal seems to be too small and fits loosely in the grove in the caliper housing. When I went to slide the piston in, it ended up grabbing the edge of the seal and tearing it as I pushed the piston past. Anyone ever had this problem or have suggestions? Thanks.
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ex-Chief Operating Officer
Blunt Tech Industries
West Coast and Pacific Rim -
Make sure you're using plenty of lube when sliding the new seals in...
kyle1988 M3, 97 840, 99 XJ
DILLIGAF -
I rebuilt 4 e30 m3 front calipers last summer and did have that happen once. The fronts are a bit of a pain but once you get the hang of it it will work fine. I had a small O-ring in there too, but once i got the piston seated properly it slid right in there without a problem, but I think I did have to pop the piston out once to seat it properly.
if the piston goes in forcefully it's not seated properly. I was able to lube it and pop the pistons in with my thumbs. I did get those nice new stainless steel pistons though, since they were not corroded and new that may have helped.
DavidComment
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