High-Pressure Fuel Pump Drive Unit: Removal

1. Release the cooling system pressure. Refer to: Engine Cooling System Draining, Vacuum Filling and Bleeding .
2. Remove the high-pressure fuel pump. Refer to: High-Pressure Fuel Pump .
3. Clamp off the cooling system hoses with the hose clamp pliers, disconnect the cooling hose quick connect couplings, then move the hoses out of the way. Refer to: QUICK RELEASE COUPLING . Use the General Equipment: Hose Clamp(s)

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4. Detach the wiring harness retainers from the high-pressure fuel pump drive unit studbolts.

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5. Remove the upper high-pressure fuel pump drive unit studbolts.

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6. Loosen the lower high-pressure fuel pump drive unit studbolt, then remove the high-pressure fuel pump drive unit with the lower studbolt.

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