Vauxhall Workshop Service and Repair Manuals > Astra J > Transmission/Transaxle | Automatic Transmission - AF40-6 | Diagnostic Information and Procedures | Miscellaneous

Automatic Transmission Fluid Leaks

Checks

Causes

Transmission Case Assembly

•	Inspect for cracked or broken transmission case.

•	Inspect for porosity or damage on the sealing surfaces.

•	Inspect for loose fluid cooler pipe nut or damaged fluid cooler pipe seals.

•	Inspect for damaged manual shift shaft seal.

•	Inspect for damaged or worn drive shaft retaining rings on the drive shafts.

•	Inspect for plugged vent cap.

•	Inspect for loose fluid drain plug or fluid check bolt.

Valve Body Cover Assembly

•	Inspect for damaged or warped valve body cover assembly.

•	Inspect for damaged or improperly installed valve body cover gasket.

•	Inspect for loose valve body cover bolts.