If your brake caliper pistons are stuck, you can use your airline. Remove brake pipes and nipples, blank one of the holes with a bolt and apply air pressure to the other hole. Making sure the piston is only allowed to travel the required amount, such that cannot shoot out unrestrained, which could injure you. You have very nice cars.
@@Daimler-Jensen If they are really bad then fit a grease zerk to the end of a brake union (thread it or weld it on) and then use a grease gun to pump it out. Makes a mess but is a pretty much guaranteed way of getting them out if really stuck
Surely with external pipes from one piston to the other, there's no oil ways which would leak fluid when you unbolt the piston. Any fluid leak would be from a perished or damaged seal or from the pipe connection or bleed - no ? Otherwise I'd like to know why they seize ? ..and how to prevent it ? when many classic cars are not used as everyday transport. Stainless steel pistons imply a lack of corrosion but surely it is the piston's seal sticking in the bore rather than metal to metal contact ? Thank you. Bfg.
If your brake caliper pistons are stuck, you can use your airline. Remove brake pipes and nipples, blank one of the holes with a bolt and apply air pressure to the other hole. Making sure the piston is only allowed to travel the required amount, such that cannot shoot out unrestrained, which could injure you. You have very nice cars.
Thanks Keith, very interesting.
@@Daimler-Jensen If they are really bad then fit a grease zerk to the end of a brake union (thread it or weld it on) and then use a grease gun to pump it out. Makes a mess but is a pretty much guaranteed way of getting them out if really stuck
Thanks Keith, good tip!
Surely with external pipes from one piston to the other, there's no oil ways which would leak fluid when you unbolt the piston. Any fluid leak would be from a perished or damaged seal or from the pipe connection or bleed - no ? Otherwise I'd like to know why they seize ? ..and how to prevent it ? when many classic cars are not used as everyday transport. Stainless steel pistons imply a lack of corrosion but surely it is the piston's seal sticking in the bore rather than metal to metal contact ? Thank you. Bfg.