146665-4120 ZEXEL 9 461 616 864 BOSCH INLET UNION 9461616864 1466654120 167921c312

start by:a) remove oil pump1. Remove bolt and washer that hold gear on the shaft. 2. Use tooling (A) to remove drive gear (1) from shaft. Remove the key from shaft. 3. Remove retainer (3) for bypass valve.4. Remove spring and bypass valve.5. Remove the cover (2) from pump body. 6. Use tooling (B) to remove bearings from the cover. 7. Remove gears (5) from pump body (4).8. Use tooling (B) to remove bearings from pump body.Assemble Oil Pump
1. Use tooling (A) to install the bearings in the main pump body until they are even with the outside surface of the pump body. Install the bearings so the junctions in the bearings are 30° 15° from the center of the bearing bores and toward the oil pump outlet passage (2) as shown. 2. Install idler gear (1) and drive gear (3) in the oil pump body. Put clean oil on the bearings and gears. 3. Use tooling (A) to install the bearings in cover (4) until they are even with the outside surface of the cover. Install the bearings so the junctions in the bearings are 30° 15° from the center of the bearing bores and toward the oil pump outlet passage as shown. 4. Install bypass valve (5), spring (6), spacer and the retainer in the pump body.5. Install the key on the shaft. 6. Install gear (7) on the shaft. Install the washer and bolt that holds the gear on the shaft.7. Make sure the pump turns freely by hand after it is assembled.end by:a) install oil pump