How to Change Manual Gearbox Oil on Opel Astra H Hatchback (A04)
Replacement Guide
Similar Video Tutorial
This video shows the replacement procedure of a similar car part on another vehicle.
Important! This replacement procedure can be used for:
- OPEL Astra H Hatchback (A04) 1.4 (L48)
- OPEL Astra H Hatchback (A04) 1.6 (L48)
- OPEL Astra H Hatchback (A04) 1.8 (L48)
- OPEL Astra H Hatchback (A04) 1.7 CDTI (L48)
- OPEL Astra H Hatchback (A04) 2.0 Turbo (L48)
- OPEL Astra H Hatchback (A04) 1.9 CDTI (L48)
- OPEL Astra H Hatchback (A04) 1.9 CDTI 16V (L48)
- OPEL Astra H Hatchback (A04) 1.3 CDTI (L48)
- OPEL Astra H Hatchback (A04) 1.6 Turbo (L48)
The steps may slightly vary depending on the car design.
This tutorial was created based on the replacement procedure for a similar car part on: OPEL Astra G CC (T98) 1.2 16V (F08, F48).
Tools You'll Need
- Wire brush
- All-purpose cleaning spray
- Cleaner & thinner
- Sealant
- Drive socket #11
- Drive socket #12
- Drive socket #16
- Ratchet wrench
- Torque wrench
- Seal scraper
- Funnel
- Oil drain pan
- Hydraulic transmission jack
- Fender cover
Procedure
AUTODOC experts recommend: All work should be done with the engine stopped.
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Step 1: Open the hood.
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Step 2: Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
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Step 3: Lift the car using a jack or place it over an inspection pit.
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Step 4: Support the engine skid plate. Use a hydraulic transmission jack.
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Step 5: Undo the fasteners of the oil pan lower cover. Use a drive socket #12.
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Step 6: Remove the hydraulic transmission jack. Remove the oil pan cover.
AUTODOC recommends: Lower the transmission jack smoothly, without jerks, to avoid damaging components and mechanisms.
To avoid injury, hold the engine skid plate cautiously tight when unscrewing the fasteners and when lowering the hydraulic transmission jack.
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Step 7: Clean the transmission fluid pan. Use a wire brush. Use all-purpose cleaning spray.
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Step 8: Prepare a waste oil container with at least 2 l capacity.
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Step 9: Unscrew the fasteners of the transmission fluid pan. Use a drive socket #11. Use a ratchet wrench.
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Step 10: Remove the transmission fluid pan.
When removing the transmission fluid pan, incline it so that the fluid only comes out from one side of it.
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Step 11: Drain the used oil.
AUTODOC recommends: Wait until the fluid has completely run out of the pan.
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Step 12: Clean the mounting seat of the transmission fluid pan. Use all-purpose cleaning spray.
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Step 13: Remove the transmission fluid pan gasket. Use a seal scraper.
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Step 14: Clean the mounting seat of the transmission fluid pan gasket. Use a wire brush. Use cleaner & thinner.
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Step 15: Apply sealant to the mounting seat of the transmission fluid pan gasket. Install the new transmission fluid pan gasket.
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Step 16: Treat the mounting seat of the transmission fluid pan. Use cleaner & thinner.
Prevent fluid from getting on the mounting seat of the transmission fluid pan.
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Step 17: Install and fasten the transmission fluid pan.
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Step 18: Tighten the fastening bolts of the transmission fluid pan in a criss-cross pattern. Use a drive socket #11. Use a torque wrench. Tighten it to 20 Nm torque.
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Step 19: Remove the retainers and move aside the coolant pipe.
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Step 20: Clean the gearbox breather. Use all-purpose cleaning spray.
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Step 21: Unscrew the gearbox breather. Use a drive socket #16. Use a ratchet wrench.
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Step 22: Insert the funnel. Pour new transmission fluid in the gearbox through the breather hole. Required amount of oil: 1.6 L.
Use the oil recommended by the manufacturer.
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Step 23: Screw the gearbox breather. Use a drive socket #16. Use a torque wrench. Tighten it to 28 Nm torque.
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Step 24: Return the coolant pipe to its initial position and fasten it.
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Step 25: Support the engine skid plate. Use a hydraulic transmission jack.
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Step 26: Reinstall the oil pan lower cover.
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Step 27: Remove the hydraulic transmission jack.
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Step 28: Tighten the fasteners of the oil pan lower cover. Use a drive socket #12. Use a torque wrench. Tighten it to 30 Nm torque.
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Step 29: Lower the car.
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Step 30: Remove the fender protection cover.
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Step 31: Close the hood.
Disclaimer
The document contains only general recommendations that may be useful for you when you perform repair or replacement work. AUTODOC shall not be liable for any loss, injury, damage of property occurring in the repair or replacement process due to incorrect use or misinterpretation of the provided information. AUTODOC shall not be liable for any possible mistakes and uncertainties in this guide. The information provided is for information purposes only and cannot replace advice from specialists.
AUTODOC shall not be liable for incorrect or hazardous usage of equipment, tools and car parts. AUTODOC strongly recommends to be careful and observe the safety rules when performing repair or replacement works. Remember: usage of low quality auto parts does not guarantee you the appropriate level of road safety.
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