LAMBORGHINI MURCIÉLAGO 2009 Service Repair Manual

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Lift the vehicle on the car lift (000000).
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clean the plug and then tighten it.

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GEARBOX OVERHAUL
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2QWKHFRXQWHUVKDIW • Remove the caulking from the transmission driving gear (3) mounting ring nut ( A-Fig.1) and then remove the
ring nut.
• Remove the needles from the bearing ( B-Fig.1 DQGWKH¿EHUFDJH
• Check the needles for wear and/or damage.
• Remove the transmission driving gear ( C-Fig.1) from the countershaft with the needle bearing ( B-Fig.1) inner
ring by means of a suitable puller; check for gear and bearing inner ring wear and/or damage.
• In case of needle bearing ( B-Fig.1) replacement, remove the bearing outer ring retaining snap ring ( D-Fig.2)
from the clutch housing and then remove the outer ring ( E-Fig.2).

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On the clutch housing • Remove the drive side oil seal.
• Remove the oil seal retaining snap ring.
• Lock the clutch housing properly and remove the drive gear locking ring nut by means of P/N 62495074 special
wrench.
• Remove the drive gear from the clutch housing.

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Check the drive gear gearbox side bearing for wear; if necessary, replace it as follows:
• remove the outer ring ( A-Fig.4) locking snap ring ( B-Fig.4) with the gearbox and remove the outer ring ( A-
Fig.4 );
• remove the bearing inner ring ( F-Fig.4) locking snap ring ( G-Fig.4) with the gear ( C-Fig.4) and remove the
outer ring.
• If necessary, replace the clutch housing drive ball bearing ( E-Fig.4), remove the snap ring ( D-Fig.4) and
remove the bearing ( E-Fig.4) from the clutch housing by means of a suitable pad.

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• If previously removed, introduce the ball bearing in the drive gear in the clutch housing and lock it into place by
means of the snap ring.
• Insert the driven gear in the clutch housing.
• Fasten the clutch housing properly, screw the drive gear locking ring nut in the clutch housing and tighten it by
means of P/N 62495074 special wrench.
• Fasten the oil seal locking snap ring and install a new oil seal.

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• If previously removed, install the gearbox side needle bearing of drive gear as follows:
• install the outer ring (with its needles) in the gearbox cover suitable seat and lock it into place by means of
the snap ring;
• install the inner ring on the drive gear and lock it into place by means of the snap ring;
• Insert the driving gear on the gearbox countershaft until complete bedding (tap with a plastic hammer);
• Hot-install the needle bearing inner ring on the countershaft.

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Install the cage and the needles on the bearing inner ring. • Lock the gear properly.
• Install the driving gear mounting ring nut on the countershaft by tightening with Molycote 1000.
• Caulk the ring nut.
• Apply grease on the bearing needles.

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Gears & shafts disassembly
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2. Extract the reverse gear transmission gear shaft from the gearbox along with the shims and gear.

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