5 4 3 REMOVING THE BALANCER DRIVEN GEAR AND OIL PUMP DRIVEN GEAR 1. Straighten the lock washer tabs. 2. Loosen: balancer driven gear nut 1 oil pump driven gear nut 2 1 NOTE: Place an aluminum plate 3 between the teeth of the balancer drive gear 4 and balancer driven gear 5 , then loosen the nuts. 2 CHECKING THE OIL PUMP DRIVE 1. Check: oil pump drive gear oil pump driven gear Cracks/wear/damage Replace. CHECKING THE BALANCER DRIVE 1. Check: balancer drive gear balancer driven gear Damage/wear Replace the balancer drive gear and balancer driven gear as a set. Excessive noise during operation Replace the balancer drive gear and bal- ancer driven gear as a set.
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