Cleaning And Checking Rear Brake Calipers
WARNING: This page is about a different car, the 2004 Volvo S40, 2003 Volvo S40, 2002 Volvo S40, 2001 Volvo S40, and 2000 Volvo S40. However, it is still accessible from the selected car via links, so may be relevant.
Clean the components using denatured alcohol. Check for wear, damage, cracks and rust. Replace components if necessary.
Always replace the O-ring and dirt guard.
Ensure that the wiring and the groove for the O-ring are clean.
Completely replace the brake caliper if the cylinder displays signs of more severe damage or scratches.
Remove traces of rust using fine sandpaper.