High Pressure Oil Pump: Service and Repair

OIL PUMP

Dial Indicator With Bracketry:

SPECIAL TOOL(S)

REMOVAL
1. Remove the intake manifold.







2. Remove the turbocharger heat shield.







3. Remove the bolts and the high-pressure oil pump cover.
- Use a thin gasket scraper to separate the cover from the crankcase.
- Remove and discard the press-in-place gasket.







4. Position the dial indicator with bracketry onto the oil pump drive and check the oil pump drive gear backlash.







5. Remove the bolts from the high-pressure oil pump discharge pipe. Position the high-pressure discharge pipe aside.







6. Remove and discard the high-pressure pump O-ring seal.







7. Remove the bolts and the high-pressure oil pump.







8. Remove and discard the lower O-ring seal.

INSTALLATION







1. Install a new lower O-ring seal.







2. Install the high-pressure oil pump and bolts.







3. Install the high-pressure pump O-ring seal.







4. Position back the high-pressure discharge tube and install the bolts.







5. Position the dial indicator with bracketry onto the oil pump drive and check the oil pump drive gear backlash.







6. Install a new D-ring seal on the high-pressure discharge pipe.







7. Install a new press-in-place gasket in the high-pressure pump cover.







8. Clean the cover mounting surface and apply sealer at the seams.







9. Install the high-pressure pump cover and bolts.







10. Install the turbocharger heat shield.
11. Install the intake manifold.