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1. Remove the oil pump suction hose from the oil pump screen. 2. Clean the hose and screen in cleaning solvent and air dry. 3. If the screen is embedded with debris, replace the screen. 4. Inspect the hose for cracking or tears. 5. Replace the hose if it is faulty. 6. Inspect the oil pump for free movement. 7. Replace the oil pump if there is any binding. Do not disassemble the oil pump. The oil pump is serviced as a unit. 8. Inspect the wear clip on the oil pump. 9. Replace the oil pump if the wear clip is missing or faulty. High/Low Range Components Fig. 80: Annulus Gear 1. Clean the ring gear in cleaning solvent and air dry.
2007 Hummer H3 2007 TRANSMISSION Transfer Case - BW 4493/4494 - H3
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