How to change front wheel bearing on OPEL Astra Classic Hatchback (A04) – replacement guide
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Important!
This replacement procedure can be used for:
OPEL Astra Classic Hatchback (A04) 1.6 (L48),
OPEL Astra Classic Hatchback (A04) 1.3 CDTI (L48),
OPEL Astra Classic Hatchback (A04) 1.7 CDTI (L48),
OPEL Astra Classic Hatchback (A04) 1.4 (L48),
OPEL Astra Classic Hatchback (A04) 1.8 (L48)
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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 – Wheel Bearing for Astra Classic Hatchback (A04) and other OPEL models
Replacement: wheel bearing – OPEL ASTRA CLASSIC (L48). Tip:
Do not re-use the bearing assembly of your OPEL ASTRA CLASSIC (L48) car.
The wheel hub bearing replacement procedure is identical for both wheels on the same axle.
Warning! Shut down the engine before starting any work – OPEL ASTRA CLASSIC (L48).
Carry out replacement in the following order:
Step 1
Secure the wheels with chocks.
Step 2
Loosen the wheel mounting bolts. Use wheel impact socket #17.
Step 3
Unscrew the fastener connecting the drive shaft to the wheel hub. Use a drive socket #32. Use a tap wrench.
Step 4
Raise the front of the car and secure on supports.
Step 5
Unscrew the wheel bolts.
Replacement: wheel bearing – OPEL ASTRA CLASSIC (L48). AUTODOC recommends:
To avoid injury, hold up the wheel when unscrewing the bolts.
Step 6
Remove the wheel.
Step 7
Remove the dust boot caps of the brake caliper guide pins. Use a crowbar.
Step 8
Unscrew the brake caliper fastening. Use HEX No.H7. Use a ratchet wrench.
Step 9
Spread the brake pads. Use a crowbar.
Step 10
Pull aside the brake caliper retaining spring. Use a crowbar.
Step 11
Remove the brake caliper.
Replacement: wheel bearing – OPEL ASTRA CLASSIC (L48). Professionals recommend:
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 #18. 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 HEX No.H5. Use a ratchet wrench.
Step 18
Remove the brake disc.
Replacement: wheel bearing – OPEL ASTRA CLASSIC (L48). Tip from AUTODOC:
If necessary, use a rubber mallet.
Step 19
Unscrew the wheel hub axle nut. Use a drive socket #32.
Step 20
Remove the drive shaft.
Step 21
Clean the fastener that connects the ball joint to the steering knuckle. Use a wire brush. Use WD-40 spray.
Step 22
Unscrew the ball joint fastening to the steering knuckle. Use a combination spanner #17. Use a drive socket #19. Use a ratchet wrench.
Step 23
Remove the fastening bolt. Use a pin punch. Use a rubber mallet.
Step 24
Release the fastener that connects the control arm ball joint to the steering knuckle. Use a flat metal-working chisel. Use a hammer.
Step 25
Disconnect the lower arm from the steering knuckle.
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