Grand Cherokee 4WD V8-4.7L (2003)
Padding Caliper Interior
2. Take a piece of wood and pad it with one-inch thickness of shop towels. Place this piece in the outboard shoe side of the caliper in front of the
piston. This will cushion and protect caliper piston during removal.
Caliper Piston Removal
3. To remove caliper piston direct short bursts of low pressure air with a blow gun through the caliper brake hose port. Use only enough air pressure
to ease the piston out.
CAUTION: Do not blow the piston out of the bore with sustained air pressure. This could result in a cracked piston.
WARNING: NEVER ATTEMPT TO CATCH THE PISTON AS IT LEAVES THE BORE. THIS MAY RESULT IN PERSONAL
INJURY.
Caliper Piston Dust Boot Removal
4. Remove caliper piston dust boot with a suitable pry tool and discard.
Piston Seal Removal
