Workshop Manuals Factory service & repair Vauxhall
01 Preface02 General Information03 Body Hardware and Trim04 Body Repair05 Body Systems06 General Vehicle Information07 Brakes08 Diagnostic Navigation09 Driveline/Axle10 Driver Information and Entertainment11 Engine12 HVAC13 Power and Signal Distribution14 Roof15 Safety and Security16 Seats17 Steering18 Suspension19 Transmission/Transaxle
Vauxhall Astra J07 · Brakes
07 · Brakes

Brake Caliper Inspection

Make
Vauxhall
Model
Astra J
Section
Disc Brakes › Other Information › Brake Caliper Inspection
BrakesBrake Caliper Inspection

Brake Caliper Inspection


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1. Inspect the brake caliper housing (1) for cracks, excess wear, and/or damage. If any of these conditions are present, the brake caliper requires replacement.
2. Inspect the caliper piston dust boot seal (6) for cracks, tears, cuts, deterioration and/or improper seating in the caliper body. If any of these conditions are present, the brake caliper requires overhaul or replacement.
3. Renew brake caliper bleeder valve cap (3) if missing.
4. Check for blocked bleeder valve (2).

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5. Inspect for smooth and complete travel of the caliper pistons into the caliper bores:
  The movement of the caliper pistons into the caliper bores should be smooth and even. If the caliper piston is frozen or difficult to bottom, the caliper requires overhaul or replacement.
  Insert a discarded inner brake pad (2) or block of wood in front of the piston. Using a large C-clamp (1) installed over the body of the caliper (3) and against the brake pad or block of wood, slowly bottom the piston in the bore.

Parts & tools for this job For Vauxhall Astra

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