146621-4700 ZEXEL 9 461 615 564 BOSCH UNION NUT 9461615564 1466214700 8971193440

1. Remove four bolts (1) and the washers that hold the oil pump in position. Remove the oil pump. The following steps are for the installation of the oil pump.2. Be sure the mounting surfaces for the oil pump are thoroughly clean.3. Install the oil pump in the reverse order of removal.End By:a. install oil panDisassemble & Assemble Oil Pump
Start By:a. remove oil pump 1. Remove the bolts and washers that hold oil pick-up tube assembly (1) to the oil pump. Remove the oil pick-up tube assembly and gasket.2. Remove the bolts and washers that hold oil discharge tube assembly (2) to the oil pump. Remove the oil discharge tube assembly and the O-ring seal. 3. Remove the idler gear from the oil pump.4. Remove bolt (6), and remove relief valve spring (8) with relief valve (7).5. Use Tooling (A) to remove input gear (4).
Before removing the input shaft and gear from the pump body, be sure there are no burrs on the input shaft. Burrs on the input shaft may scratch and damage the pump body.
6. Remove bolts (5), and separate the pump body. Remove input shaft and gear (3) from the pump body. Remove the driven gear from the pump body. The following steps are for the assembly of the oil pump.7. Be sure all parts of the oil pump are thoroughly clean prior to assembly. Apply clean engine oil on the internal parts of the oil pump. Before pressing input gear (4) onto input shaft (3), be sure to install bolt (5). Bolt (5) is positioned under the input gear.8. Put the input gear and shaft (3) in the pump body. Press the input gear (4) onto the input shaft until ti is even with the end of the shaft. Put the driven gear in position in the pump body.9. Put the pump bodies together, and install bolts (5). Install the idler gear.10. Install relief valve spring (8) and relief valve (7) in the pump body. Install bolt (6).11. Check the condition of the O-ring seal used in oil discharge tube assembly (2). If the seal is damaged, use a new part for replacement. Install the O-ring seal in the tube assembly. Install the oil discharge tube assembly and the bolts and washers that hold it.12. Check the condition of the gasket used in oil pick-up tube assembly (1). If the gasket is damaged, use a new part for replacement. Install the gasket, the oil discharge tube assembly and the bolts and washers that hold it.End By:a. install oil pump