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How to change manual gearbox oil on OPEL Astra F Saloon (T92) – replacement guide
Introduction
This guide provides detailed instructions for changing the manual gearbox oil on an OPEL Astra F Saloon (T92). Follow these steps carefully for a successful replacement.
Similar Video Tutorial
A video tutorial demonstrating the replacement procedure for a similar car part on another vehicle is available.
? Important!
This replacement procedure is applicable to the following OPEL Astra F Saloon (T92) models:
- 1.7 TDS (F19, M19)
- 1.7 D (F19, M19)
- 1.4 i (F19, M19)
- 1.4 Si (F19, M19)
- 1.6 i (F19, M19)
- 1.6 Si (F19, M19)
- 1.8 i (F19, M19)
- 1.8 i 16V (F19, M19)
- 2.0 i (F19, M19)
- 1.7 TD (F19, M19)
- 2.0 i 16V (F19, M19)
- 1.4 i 16V (F19, M19)
- 1.6 i 16V (F19, M19)
- 1.4 (F19, M19)
- 1.6 (F19, M19)
Note: The steps may slightly vary depending on the specific 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
The following tools are required for this procedure:
- 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
Image displays a variety of automotive tools, including socket wrenches, a torque wrench, brushes, cleaning sprays, sealant, a funnel, an oil drain pan, a hydraulic transmission jack, and fender covers, arranged on a tool board.
Replacement Procedure
AUTODOC experts recommend: All work should be done with the engine stopped.
Steps:
Step 1: Open the hood.
Step 2: Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
Step 3: Lift the car using a jack or place it over an inspection pit.
Step 4: Support the engine skid plate. Use a hydraulic transmission jack.
Image shows the underside of a vehicle with a hydraulic transmission jack supporting the engine skid plate.
Step 5: Undo the fasteners of the oil pan lower cover. Use a drive socket #12.
AUTODOC recommends: To avoid injury, hold the engine skid plate cautiously tight when unscrewing the fasteners and when lowering the hydraulic transmission jack.
Step 6: Remove the hydraulic transmission jack. Remove the oil pan cover.
Image depicts the oil pan cover being removed from the underside of a vehicle.
AUTODOC recommends: Lower the transmission jack smoothly, without jerks, to avoid damaging components and mechanisms.
Step 7: Clean the transmission fluid pan. Use a wire brush. Use all-purpose cleaning spray.
Image shows the transmission fluid pan being cleaned with a wire brush and spray.
Step 8: Prepare a waste oil container with at least 2 L capacity.
Image shows a waste oil container positioned beneath the vehicle's transmission area.
Step 9: Unscrew the fasteners of the transmission fluid pan. Use a drive socket #11. Use a ratchet wrench.
Image shows a hand using a socket wrench to loosen fasteners on the transmission fluid pan.
Step 10: Remove the transmission fluid pan.
Image shows the transmission fluid pan detached from the vehicle.
? Tip: When removing the transmission fluid pan, incline it so that the fluid only comes out from one side of it.
Step 11: Drain the used oil.
Image shows used transmission fluid draining from the removed pan into a collection container.
AUTODOC recommends: Wait until the fluid has completely run out of the pan.
Step 12: Clean the mounting seat of the transmission fluid pan. Use all-purpose cleaning spray.
Image shows the mounting surface of the transmission fluid pan being cleaned with a spray and cloth.
Step 13: Remove the transmission fluid pan gasket. Use a seal scraper.
Image shows a seal scraper being used to remove an old gasket from the transmission fluid pan mounting surface.
Step 14: Clean the mounting seat of the transmission fluid pan gasket. Use a wire brush. Use cleaner & thinner.
Image shows the transmission fluid pan mounting surface being cleaned with a wire brush and solvent.
Step 15: Apply sealant to the mounting seat of the transmission fluid pan gasket. Install the new transmission fluid pan gasket.
Image shows sealant being applied to the transmission fluid pan gasket mounting surface.
Step 16: Treat the mounting seat of the transmission fluid pan. Use cleaner & thinner.
Image shows the transmission fluid pan mounting surface being treated with cleaner and thinner.
Tip from AUTODOC: Prevent fluid from getting on the mounting seat of the transmission fluid pan.
Step 17: Install and fasten the transmission fluid pan.
Image shows the transmission fluid pan being installed and fastened to the vehicle.
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.
Image shows a torque wrench being used to tighten bolts on the transmission fluid pan in a criss-cross pattern.
Step 19: Remove the retainers and move aside the coolant pipe.
Image shows engine bay components, including the coolant pipe, near the gearbox area.
Step 20: Clean the gearbox breather. Use all-purpose cleaning spray.
Image shows the gearbox breather area being cleaned with an all-purpose cleaning spray.
Step 21: Unscrew the gearbox breather. Use a drive socket #16. Use a ratchet wrench.
Image shows a hand using a socket wrench to unscrew the gearbox breather.
Step 22: Insert the funnel. Pour new transmission fluid in the gearbox through the breather hole. Required amount of oil: 1.6 L.
Image shows a funnel inserted into the gearbox breather hole, with new transmission fluid being poured in.
Tip from AUTODOC experts: Use the oil recommended by the manufacturer.
Step 23: Screw the gearbox breather. Use a drive socket #16. Use a torque wrench. Tighten it to 28 Nm torque.
Image shows a torque wrench being used to tighten the gearbox breather to a specified torque.
Step 24: Return the coolant pipe to its initial position and fasten it.
Image shows the coolant pipe being returned to its original position and secured.
Step 25: Support the engine skid plate. Use a hydraulic transmission jack.
Image shows a hydraulic transmission jack positioned to support the engine skid plate.
Step 26: Reinstall the oil pan lower cover.
Image shows the oil pan lower cover being reinstalled onto the vehicle.
Step 27: Remove the hydraulic transmission jack.
Image shows a hydraulic transmission jack being removed from under the vehicle.
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.
Image shows a torque wrench being used to tighten fasteners on the oil pan lower cover.
Step 29: Lower the car.
Step 30: Remove the fender protection cover.
Step 31: Close the hood.
WELL DONE! ?
You have successfully completed the manual gearbox oil change.
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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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