- paul-ryan.info Extension housing Propeller shaft Oil seal

Check for a leak at the rear of the extension housing. It is usually caused by a damaged oil seal. Disconnect the propeller shaft and fit a new seal. On a front-wheel-drive car, check the seals at the drive shafts.

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Checking the gearbox oil level, draining and refilling

A gearbox contains a great many moving parts. Some of them are submerged in oil and some of them...