How to change front lower arm on Opel Astra H Caravan – replacement guide
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Important!
This replacement procedure can be used for:
OPEL Astra H Caravan (A04) 1.6 LPG (L35),
OPEL Astra H Caravan (A04) 1.4 LPG (L35),
OPEL Astra H Caravan (A04) 1.4 (L35),
OPEL Astra H Caravan (A04) 1.4 (L35),
OPEL Astra H Caravan (A04) 1.6 (L35),
OPEL Astra H Caravan (A04) 1.8 (L35),
OPEL Astra H Caravan (A04) 2.0 Turbo (L35),
OPEL Astra H Caravan (A04) 2.0 Turbo (L35),
OPEL Astra H Caravan (A04) 1.7 CDTI (L35),
OPEL Astra H Caravan (A04) 1.7 CDTI (L35),
OPEL Astra H Caravan (A04) 1.9 CDTI (L35),
OPEL Astra H Caravan (A04) 1.9 CDTI 16V (L35),
OPEL Astra H Caravan (A04) 1.9 CDTI (L35),
OPEL Astra H Caravan (A04) 1.9 CDTI (L35),
OPEL Astra H Caravan (A04) 1.8 (L35),
OPEL Astra H Caravan (A04) 1.6 Turbo (L35),
OPEL Astra H Caravan (A04) 1.6 (L35),
OPEL Astra H Caravan (A04) 1.7 CDTI (L35),
OPEL Astra H Caravan (A04) 1.7 CDTI (L35)
…
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The steps may slightly vary depending on the car design.
How to change front lower arm on OPEL ASTRA H TUTORIAL | AUTODOC
All the parts you need to replace – Control Arm for Astra H Caravan (A04) and other OPEL models
Replacement: front lower arm – Opel Astra H Caravan. AUTODOC experts recommend:
The replacement procedure is identical for the left and right lower control arms.
Warning! Shut down the engine before starting any work – Opel Astra H Caravan.
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
Raise the front of the car and secure on supports.
Step 4
Unscrew the wheel bolts.
AUTODOC recommends:
Warning! To avoid injury, hold the wheel while unscrewing the fastening bolts. Opel Astra H Caravan
Step 5
Remove the wheel.
Step 6
Clean the fastener connecting the ball joint to the steering knuckle. Use a wire brush. Use WD-40 spray.
Step 7
Unscrew the ball joint fastening to the steering knuckle. Use a combination spanner #18. Use a drive socket #18. Use a ratchet wrench.
Step 8
Remove the fastening bolt.
Step 9
Clean the fasteners connecting the control arm to the subframe. Use a wire brush. Use WD-40 spray.
Step 10
Unscrew the rear fastener connecting the control arm to the subframe. Use a combination spanner #18. Use a drive socket #18. Use a ratchet wrench. Use a tap wrench.
Step 11
Remove the rear fastener of the control arm.
Step 12
Unscrew the front arm fastener. Use a combination spanner #18. Use a drive socket #18. Use a ratchet wrench. Use a tap wrench.
Step 13
Disconnect the ball joint from the steering knuckle. Use a ball joint puller.
Step 14
Remove the front fastener of the control arm.
Step 15
Remove the arm. Use a crowbar.
Step 16
Clean the mounting seats and the thread of the suspension arm. Use a wire brush. Use WD-40 spray.
Step 17
Install a new arm. Use a rubber mallet.
Replacement: front lower arm – Opel Astra H Caravan. Professionals recommend:
During the installation process, use only new bolts and nuts.Do not damage the ball joint cover.
Step 18
Install the front fastener of the arm.
Step 19
Install the rear fastener of the control arm.
Step 20
Connect the ball joint to the steering knuckle. Use a rubber mallet.
Step 21
Install the fastening bolt. Use a pin punch. Use a hammer.
Step 22
Tighten the fastener connecting the ball joint to the steering knuckle. Use a combination spanner #18. Use a drive socket #18. Use a torque wrench. Tighten it to 50 Nm torque.
Step 23
Support the arm. Use a hydraulic transmission jack.
Step 24
Tighten the rear fastener of the control arm. Use a combination spanner #18. Use a drive socket #18. Use a torque wrench. Tighten it to 90 Nm torque.+90°
AUTODOC recommends:
Important! Be sure to use new fasteners.
Step 25
Tighten the front fastener connecting the control arm to the subframe. Use a combination spanner #18. Use a drive socket #18. Use a torque wrench. Tighten it to 90 Nm torque.+90°
AUTODOC recommends:
Important! Be sure to use new fasteners.
Step 26
Remove the support from under the arm.
AUTODOC recommends:
Replacement: front lower arm – Opel Astra H Caravan. Lower the transmission jack smoothly, without jerks, to avoid damaging components and mechanisms.
Step 27
Treat all joints of the arm. Use copper grease.
Step 28
Treat the surface where the brake disc contacts the wheel rim. Use copper grease.
Step 29
Clean the brake disk surface. Use a brake cleaner.
Replacement: front lower arm – Opel Astra H Caravan. AUTODOC experts recommend:
After applying the spray, wait a few minutes.
Step 30
Install the wheel.
AUTODOC recommends:
Important! Hold the wheel while screwing in the fastening bolts. Opel Astra H Caravan
Step 31
Screw in the wheel bolts. Use wheel impact socket #17.
Step 32
Lower the car and working in a cross order, tighten the wheel bolts. Use wheel impact socket #17. Use a torque wrench. Tighten it to 110 nm torque.
Step 33
Remove the jacks and chocks.
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