S10/T10 Blazer 2WD L4-121 2.0L VIN Y 2-bbl (1983)
Fig. 5 Installing driveshaft assembly
Fig. 6 Installing pump ring
Fig. 7 Installing rotor vanes
1.
Lubricate new O-ring seals with vaseline and place in pump housing.
2.
If drive shaft oil seal was removed during disassembly, lubricate new seal with vaseline. Then install seal in pump body front hub, using a suitable
seal driver.
3.
Position thrust plate and rotor on drive shaft. Then install rotor retaining ring in groove of drive shaft, Fig. 4.
4.
Place pump housing on work bench as shown in Fig. 5 and install two pump ring dowel pins in bore of housing.
5.
Install drive shaft in housing, making sure shaft seats properly.
6.
Install pump ring in housing over two dowel pins with rotation arrow on ring to rear of pump housing, Fig. 6.Arrow on outer edge of pump ring
points in direction of pump rotation (counterclockwise when viewed from rear of pump).
7.
Install rotor vanes in slots of pump rotor, with radius edge of vanes toward outside of rotor, Fig. 7.