Seat Leon >> Thickness of brake pads and condition of brake discs, front and rear: Check

SEAT Leon Service and Repair Manual / Maintenance / Description of work / Thickness of brake pads and condition of brake discs, front and rear: Check

Special tools and workshop equipment required

  • Torque wrench - V.A.G 1332-

Maintenance

  • Electric hand torch and mirror

Carry out the following work steps: The adapter to loosen and tighten anti-theft wheel bolts is in the vehicle tool kit.

Front brake pads: Checking

  • For better evaluation of remaining pad thickness, use a test mirror and, if necessary, remove the wheel on the side where the brake pad wear indicator is installed.
  • Pull off wheel bolt covers.
  • Mark position of wheel relative to brake disc.
  • Unscrew wheel securing bolts and remove wheel.
  • Measure inner and outer pad thickness.

a - Pad thickness "without" backplate

Wear limit: 2 mm

The brake pads have reached their wear limit at a pad thickness of 2 mm (without backplate) and must be renewed (repair measure).

Inform customer!

Maintenance

NOTICE When replacing brake pads, always check brake discs as well for wear! Checking and if necessary replacing the brake discs is a repair measure.

  • Check wear of brake discs .
  • Install wheel in marked position.
  • Tighten wheel bolts diagonally and alternately.
  • Place adapter in vehicle tool kit after completing work.
  • Fit wheel bolt covers if necessary .

Rear disc brake pads: Checking

  • Shine with a flashlight through one spoke of the rim.
  • Visually inspect outer pad to determine its thickness.
  • Illuminate inner pad with an electric hand torch and mirror.
  • Determine thickness of inner pad by checking visually.

a - Inner and outer pad thickness without backplate

Wear limit: 2 mm

The brake pads have reached their wear limit at a pad thickness of 2 mm (without backplate) and must be renewed (repair measure).

Inform customer!

Maintenance

NOTICE When replacing brake pads, always check brake discs as well for wear! Checking and if necessary replacing the brake discs is a repair measure.

  • Check wear on brake pads.

Condition of brake discs: Checking

Please check all brake discs for the following fault patterns listed:

  • Cracks
  • Scratches
  • Rust (no surface rust)
  • Burs on the edge of the brake disc

NOTICE Inform the customer if brake disc damage is similar to these damage patterns. Replacing the brake discs is a repair measure.

Visual check for damage to the underbody trims and underbody protection, line routing and plugs

After visually checking the undercarriage protection, observe the lower plates, the wheel wells and the lower crossbars.

Pay special attention to zones exposed to wear produced by water, mud and gravel thrown up by the wheels.

Always ensure that all lines are secured in their mountings, all plugs are available and that there is no visible damage on the underbody.

NOTICE Any problems detected should always be repaired (repair measure). In this manner deterioration and corrosion perforations are avoided.

Re-establish the corrosion and noise protection .

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