Renault Espace-IV - Grinding noises when brake not pressed | HELLA

Renault Espace-IV

Model year 2002-2014

All models

Disk brake, rear axle

Grinding noises when brake not pressed

Brake pad worn on one side

Heavy wear on brake disc

If this defect is found in the vehicle models mentioned above, this may be due to a brake caliper guide becoming stiff or stuck. Heavy oxidation inside the bore holes on the aluminum housing causes the damping sleeves to sit more tightly, which in turn causes the guide bolts to jam.

Remedy

Since this defect is not visible from the outside, it is essential to check that the caliper guides are not clogged while carrying out brake repairs:

  • Remove the guide bolts and damping sleeves and check for damage.
  • Check the bore holes for damage and refurbish if possible.

To do this, use a suitable reamer to clean out the bore hole evenly. During this repair process, the damping sleeves and, if necessary, the guide bolts need to be renewed.

If the oxidation is too heavy and it is not possible to repair the component safely, the brake caliper must be renewed.

Maintenance information

If the vehicle is equipped with an electric parking brake, this must be deactivated before commencing repair work. Please observe the corresponding repair notes provided by the vehicle manufacturer.

This defect may also occur in other vehicle models with the same type of brake caliper.

Important safety note Technical information and practical tips have been compiled by HELLA in order to provide professional support to vehicle workshops in their day-to-day work. The information provided on this website is intended for use by suitably qualified personnel only. Reprinting, distribution, reproduction, exploitation in any form or disclosure of the contents of this document, even in part, is prohibited without our express, written approval and indication of the source. The schematic illustrations, pictures and descriptions serve only for the purposes of explanation and representation of the instructions and cannot be used as a basis for installation or assembly work. All rights reserved.

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