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How to change manual gearbox oil on VAUXHALL Signum (Z03) – replacement guide
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Recommended replacement interval for the part category Transmission fluid : 4 year / 60000 km
Important!
This replacement procedure can be used for:
VAUXHALL Signum (Z03) 2.0 i Turbo, VAUXHALL Signum (Z03) 2.0 DTI, VAUXHALL Signum (Z03) 2.2 DTI, VAUXHALL Signum (Z03) 2.2 i, VAUXHALL Signum (Z03) 3.0 CDTi, VAUXHALL Signum (Z03) 3.2 V6, VAUXHALL Signum (Z03) 1.9 CDTI, VAUXHALL Signum (Z03) 1.9 CDTI 16V, VAUXHALL Signum (Z03) 2.8 V6 Turbo, VAUXHALL Signum (Z03) 3.0 V6 CDTI, VAUXHALL Signum (Z03) 1.8, VAUXHALL Signum (Z03) 1.8 … View more
The steps may slightly vary depending on the car design.
VAUXHALL Signum (Z03) 2.0 i Turbo, VAUXHALL Signum (Z03) 2.0 DTI, VAUXHALL Signum (Z03) 2.2 DTI, VAUXHALL Signum (Z03) 2.2 i, VAUXHALL Signum (Z03) 3.0 CDTi, VAUXHALL Signum (Z03) 3.2 V6, VAUXHALL Signum (Z03) 1.9 CDTI, VAUXHALL Signum (Z03) 1.9 CDTI 16V, VAUXHALL Signum (Z03) 2.8 V6 Turbo, VAUXHALL Signum (Z03) 3.0 V6 CDTI, VAUXHALL Signum (Z03) 1.8, VAUXHALL Signum (Z03) 1.8 … 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 – Gearbox Oil and Transmission Oil for Signum (Z03) and other VAUXHALL models
Transmission fluid
Manual Transmission Oil
Alternative products

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
Replacement: manual gearbox oil – VAUXHALL SIGNUM. AUTODOC experts recommend:
- All work should be done with the engine stopped.
Replacement: manual gearbox oil – VAUXHALL SIGNUM. Take the following steps:
- Step 1Open the hood.Step 2Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.Step 3Lift the car using a jack or place it over an inspection pit.Step 4Support the engine skid plate. Use a hydraulic transmission jack.
- Step 5Undo the fasteners of the oil pan lower cover. Use a drive socket #12.Replacement: manual gearbox oil – VAUXHALL SIGNUM. AUTODOC recommends:To avoid injury, hold the engine skid plate cautiously tight when unscrewing the fasteners and when lowering the hydraulic transmission jack.
- Step 6Remove the hydraulic transmission jack. Remove the oil pan cover.AUTODOC recommends:Replacement: manual gearbox oil – VAUXHALL SIGNUM. Lower the transmission jack smoothly, without jerks, to avoid damaging components and mechanisms.
- Step 7Clean the transmission fluid pan. Use a wire brush. Use all-purpose cleaning spray.
- Step 8Prepare a waste oil container with at least 2 l capacity.
- Step 9Unscrew the fasteners of the transmission fluid pan. Use a drive socket #11. Use a ratchet wrench.
- Step 10Remove the transmission fluid pan.Replacement: manual gearbox oil – VAUXHALL SIGNUM. Tip:When removing the transmission fluid pan, incline it so that the fluid only comes out from one side of it.
- Step 11Drain the used oil.AUTODOC recommends:Wait until the fluid has completely run out of the pan.
- Step 12Clean the mounting seat of the transmission fluid pan. Use all-purpose cleaning spray.
- Step 13Remove the transmission fluid pan gasket. Use a seal scraper.
- Step 14Clean the mounting seat of the transmission fluid pan gasket. Use a wire brush. Use cleaner&thinner.
- Step 15Apply sealant to the mounting seat of the transmission fluid pan gasket. Install the new transmission fluid pan gasket.
- Step 16Treat the mounting seat of the transmission fluid pan. Use cleaner&thinner.Replacement: manual gearbox oil – VAUXHALL SIGNUM. Tip from AUTODOC:Prevent fluid from getting on the mounting seat of the transmission fluid pan.
- Step 17Install and fasten the transmission fluid pan.
- Step 18Tighten 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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