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.
AUTODOC recommends:
Replacement: manual gearbox oil – OPEL ASTRA J Sports Tourer. 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.
Step 8
Prepare a waste oil container with at least 2 l capacity.
Step 9
Unscrew the fasteners of the transmission fluid pan. Use a drive socket #11. Use a ratchet wrench.
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.
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.
Step 13
Remove the transmission fluid pan gasket. Use a seal scraper.
Step 14
Clean the mounting seat of the transmission fluid pan gasket. Use a wire brush. Use cleaner&thinner.
Step 15
Apply sealant to the mounting seat of the transmission fluid pan gasket. Install the new transmission fluid pan gasket.
Step 16
Treat the mounting seat of the transmission fluid pan. Use cleaner&thinner.
Replacement: manual gearbox oil – OPEL ASTRA J Sports Tourer. 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.
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.
Step 19
Remove the retainers and move aside the coolant pipe.
Step 20
Clean the gearbox breather. Use all-purpose cleaning spray.
Step 21
Unscrew the gearbox breather. Use a drive socket #16. Use a ratchet wrench.
Step 22
Insert the funnel. Pour new transmission fluid in the gearbox through the breather hole. Required amount of oil: 1.6 L.
Replacement: manual gearbox oil – OPEL ASTRA J Sports Tourer. 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.
Step 24
Return the coolant pipe to its initial position and fasten it.
Step 25
Support the engine skid plate. Use a hydraulic transmission jack.
Step 26
Reinstall the oil pan lower cover.
Step 27
Remove the hydraulic transmission jack.
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.
Step 29
Lower the car.
Step 30
Remove the fender protection cover.
Step 31
Close the hood.
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