XJ-6 L6-4.0L (1991)
Seals and Gaskets: Service and Repair
Final Drive - Pinion Oil Seal
FINAL DRIVE UNIT PINION OIL SEAL
RENEW
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Raise the vehicle on a ramp.
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Remove the propshaft to drive flange securing bolts (Fig 1).
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Reposition the prop shaft for access.
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Using a torque wrench, measure the torque required to turn the pinion through the backlash.
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Ensure that the pinion is reset before each measurement.
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Mark the flange securing nut to pinion shaft.
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Remove the pinion flange securing nut and place a two leg puller to the front.
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Undo the tool centre bolt and fit and align the puller to the pinion flange.
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Tighten the tool centre bolt to the extract flange.
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Place the puller aside and using suitable seal remover tool, displace and remove the pinion seal.
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Clean flange and casing seal faces.
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Fit and align the new seal to Service Tool 18G 1 428A (Fig 2).
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Fit and fully seat the seal to the casing and place tool aside.
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Lubricate the pinion seal and fit and fully seat the drive flange to the pinion/seal.
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Fit and tighten the drive flange securing nut to mark.
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Using a suitable torque wrench check pinion pre-load (35-55 lbs inch).
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Reposition the propshaft to the drive flange.
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Fit and tighten the securing nuts/bolts.
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Undo and remove the final drive oil filler plug then clean the plug.
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Check and top up the oil level.
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Fit and tighten the filler plug.
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Lower the ramp.
SERVICE TOOLS