Vauxhall Workshop Service and Repair Manuals

Brake Caliper - Front Wheel Brake, Overhaul  

1   Protective sleeve   2   Piston   3   Bleeder screw   4   Seal ring   5   Brake caliper housing   6   Sliding sleeve

  Remove, Disconnect   

Remove brake caliper - see operation "Brake Caliper - Front Wheel Brake, Remove and Install".  

  Disassemble   

Clamp brake caliper with protective jaws in vice. Insert piece of hardwood into brake lining slot and carefully press out piston with compressed air.   Remove protective sleeve (1). Carefully remove seal ring (2) with plastic wedge out of groove in brake caliper.   Press sliding collars (3) with screwdriver out of housing.     Clean    Clean piston and bore holes with brake fluid or alcohol only - under no circumstance use other fluids. Replace seal ring and protective sleeve.     Inspect    Check pistons and bore holes for wear - if piston is defective or rusted, completely replace brake caliper.

  Assemble   

Lightly coat bore hole, piston and seal ring with brake cylinder paste. Press in new sliding sleeve. Insert new seal ring (1). Lip (3) of protective sleeve must be seated in groove (2) of brake caliper. Slide in piston until inner lip of protective sleeve has engaged in groove of piston.     Important!    Make sure that piston is not tilted.     Inspect    Ensure that the piston is correctly positioned, raised thrust surfaces must stand horizontally. If necessary, correct piston position with piston turning pliers.     Install, Connect    Attach brake caliper - see operation "Brake Caliper - Front Wheel Brake, Remove and Install".