Turn the center housing over on the bench and
Carefully lift the back plate from the center
turbocharger, use the following steps: a.
Remove the seal ring, thrust collar and thrust
washer from the center housing (Fig. 18). The
thrust spring located in the back plate is
replaceable, but should not be removed unless
replacement is necessary.
1. Center Housing
2. Anti-rotating Pins
3. Seal Ring
4. Thrust Collar
5. Thrust Spring
6. Back Plate
7. Thrust Washer
With a sharp pick, remove the spiral
bearing retainers from the bearing bore on
the compressor side of the housing (Fig.
19). Remove the bearing. Turn the center
housing over on the bench and remove the
retainers and bearing from the turbine end
3. Center Housing
Replace the two inboard retainers only if
they appear to be damaged or worn. The inboard
retainers are subject to distortion during removal
so they must be replaced with new retainers if
Remove the seal ring from the thrust collar (Fig.
20). Discard the seal ring.
1. Thrust Collar
2. Seal Ring
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