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How to change front brake discs on OPEL Astra G Classic Hatchback (T98) – replacement guide
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Recommended replacement interval for the part category Brake disc : 50000 km
Important!
This replacement procedure can be used for:
OPEL Astra G Classic Hatchback (T98) 1.6 (F08, F48), OPEL Astra G Classic Hatchback (T98) 1.6 16V (F08, F48) … View more
The steps may slightly vary depending on the car design.
OPEL Astra G Classic Hatchback (T98) 1.6 (F08, F48), OPEL Astra G Classic Hatchback (T98) 1.6 16V (F08, F48) … View more
The steps may slightly vary depending on the car design.
This video shows the replacement procedure of a similar car part on another vehicle
All the parts you need to replace – Brake Discs for Astra G Classic Hatchback (T98) and other OPEL models
Alternative products

Wire brush
Nylon cleaning brush
WD-40 spray
Brake cleaner
Copper grease
Torque wrench
HEX bit No.H7
Torx bit T30
Wheel impact socket #17
Drive socket # E20
Ratchet wrench
Tap wrench
Brake caliper wind back tool
Crow bar
Wheel chock
Replacement: brake discs – OPEL ASTRA G CLASSIC (T98). AUTODOC recommends:
- Replace the brake disks on the car OPEL ASTRA G CLASSIC (T98) in complete set for each axis. Regardless of the state of components. This will ensure even braking.
- The replacement procedure is identical for both brake disks on the same axle.
- When changing the brake discs, always replace the brake pads.
- Please note: all work on the car – OPEL ASTRA G CLASSIC (T98) – should be done with the engine switched off.
Carry out replacement in the following order:
- Step 1Open the bonnet. Unscrew the brake fluid reservoir cap.Step 2Secure the wheels with chocks.Step 3
Loosen the wheel mounting bolts. Use wheel impact socket #17. - Step 4Raise the front of the car and secure on supports.Step 5
Unscrew the wheel bolts.AUTODOC recommends:Important! Hold the wheel while unscrewing the fastening bolts. OPEL ASTRA G CLASSIC (T98) - Step 6
Remove the wheel. - Step 7
Detach the brake caliper retaining spring. Use a crowbar. - Step 8
Remove the dust boot caps of the brake caliper guide pins. Use a crowbar. - Step 9
Unscrew the brake caliper fastening. Use HEX No.H7. Use a ratchet wrench. - Step 10
Spread the brake pads. Use a crowbar. - Step 11
Remove the brake caliper.Replacement: brake discs – OPEL ASTRA G CLASSIC (T98). Tip:Tie the caliper to the suspension or to the body with a wire without disconnecting from the brake hose to prevent depressurization of the brake system.Make sure that the brake caliper is not hanging on the brake hose.Don't press the brake pedal after the brake caliper has been removed. As a result, the piston can fall out from the brake cylinder, and brake fluid leakage and depressurization of the system may occur. Check the brake caliper bracket, brake caliper guide pins and boots. Clean them. Replace, if necessary. - Step 12
Remove the brake pads. - Step 13
Clean the brake caliper bracket fasteners. Use a wire brush. Use WD-40 spray. - Step 14
Unscrew the caliper bracket fastening. Use a drive socket #Е20. Use a ratchet wrench. Use a tap wrench. - Step 15
Remove the caliper bracket. - Step 16
Clean the brake disc fasteners. Use a wire brush. Use WD-40 spray. - Step 17
Unscrew the brake disc fastening. Use Torx T30. Use a ratchet wrench. - Step 18
Remove the brake disc. - Step 19
Clean the hub. Use a wire brush. Treat the contacting surface. Use copper grease. - Step 20
Install the brake disc. - Step 21
Tighten the brake disc fastening. Use Torx T30. Use a torque wrench. Tighten it to 8 Nm torque. - Step 22
Clean the brake caliper bracket from dirt and dust. Use a wire brush. Use a brake cleaner.AUTODOC recommends:Replacement: brake discs – OPEL ASTRA G CLASSIC (T98). After applying the spray, wait a few minutes.
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