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How to change rear shock absorbers on OPEL Astra H GTC (A04) – replacement guide
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Important!
This replacement procedure can be used for:
OPEL Astra H GTC (A04) 1.4 (L08), OPEL Astra H GTC (A04) 1.6 (L08), OPEL Astra H GTC (A04) 1.8 (L08), OPEL Astra H GTC (A04) 2.0 Turbo (L08), OPEL Astra H GTC (A04) 1.7 CDTi (L08), OPEL Astra H GTC (A04) 1.9 CDTi 16V (L08), OPEL Astra H GTC (A04) 1.9 CDTi (L08), OPEL Astra H GTC (A04) 1.9 CDTI (L08), OPEL Astra H GTC (A04) 1.3 CDTI (L08), OPEL Astra H GTC (A04) 1.8 (L08), OPEL Astra H GTC (A04) 1.9 CDTI (L08), OPEL Astra H GTC (A04) 1.6 Turbo (L08), OPEL Astra H GTC (A04) 1.6 (L08), OPEL Astra H GTC (A04) 1.7 CDTI (L08), OPEL Astra H GTC (A04) 1.7 CDTI (L08), OPEL Astra H GTC (A04) 1.7 CDTI (L08) … View more
The steps may slightly vary depending on the car design.
OPEL Astra H GTC (A04) 1.4 (L08), OPEL Astra H GTC (A04) 1.6 (L08), OPEL Astra H GTC (A04) 1.8 (L08), OPEL Astra H GTC (A04) 2.0 Turbo (L08), OPEL Astra H GTC (A04) 1.7 CDTi (L08), OPEL Astra H GTC (A04) 1.9 CDTi 16V (L08), OPEL Astra H GTC (A04) 1.9 CDTi (L08), OPEL Astra H GTC (A04) 1.9 CDTI (L08), OPEL Astra H GTC (A04) 1.3 CDTI (L08), OPEL Astra H GTC (A04) 1.8 (L08), OPEL Astra H GTC (A04) 1.9 CDTI (L08), OPEL Astra H GTC (A04) 1.6 Turbo (L08), OPEL Astra H GTC (A04) 1.6 (L08), OPEL Astra H GTC (A04) 1.7 CDTI (L08), OPEL Astra H GTC (A04) 1.7 CDTI (L08), OPEL Astra H GTC (A04) 1.7 CDTI (L08) … 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 – Shock Absorber for Astra H GTC (A04) and other OPEL models
Shock absorber
Alternative products

Wire brush
WD-40 spray
Copper grease
Drive socket # E20
Wheel impact socket #17
Torque wrench
Tap wrench
Hydraulic transmission jack
Wheel chock
Replacement: shock absorbers – OPEL ASTRA H GTC (L08). AUTODOC recommends:
- Both shock absorbers of the rear suspension should be replaced simultaneously.
- The replacement procedure is identical for the left and right shock absorbers of the rear suspension.
- Warning! Shut down the engine before starting any work – OPEL ASTRA H GTC (L08)
Carry out replacement in the following order:
- Step 1Secure the wheels with chocks.
- Step 2Loosen the wheel mounting bolts. Use wheel impact socket #17.
- Step 3Raise the rear of the car and secure on supports.Step 4Unscrew the wheel bolts.Replacement: shock absorbers – OPEL ASTRA H GTC (L08). Professionals recommend:To avoid injury, hold up the wheel when unscrewing the bolts.
- Step 5Remove the wheel.
- Step 6.1Clean the shock absorber fasteners.Step 6.2Use a wire brush. Use WD-40 spray.
- Step 7Support the arm. Use a hydraulic transmission jack.
- Step 8Unscrew the lower fastener of the shock absorber. Use a drive socket #E20. Use a tap wrench.
- Step 9Remove the fastening bolt.
- Step 10Unscrew the upper fastener of the shock absorber. Use a drive socket #E20. Use a tap wrench.Replacement: shock absorbers – OPEL ASTRA H GTC (L08). AUTODOC experts recommend:To avoid injuries, hold the shock absorber when undoing the fastening bolts.
- Step 11Remove the shock absorber.Replacement: shock absorbers – OPEL ASTRA H GTC (L08). Tip from AUTODOC:Before installing a new shock absorber you should pump it manually 3-5 times.
- Step 12Place the shock absorber in the wheel arch and secure it.AUTODOC recommends:Important! Hold the shock absorber while screwing in the fastening bolts. OPEL ASTRA H GTC (L08)
- Step 13Screw the upper fastener of the shock absorber. Use a drive socket #E20.
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