Do not cock or force piston rings (21) into grooves. Rings are brittle and will snap easily.
Install two piston rings (21 ) on thrust spacer (20).
Lubricate thrust spacer (20) and piston rings (21 ) with engine oil. Gently insert thrust spacer
with rings into bore in backplate (5).
Aline oil feed hole in center housing (2) and backplate assembly (5). Attach backplate to center
housing with four bolts (1 8). Torque bolts to 110-130 lb-in (12.4 -14.7 N-m)
Do not cock or force piston ring (17) into groove. Ring is brittle and will snap easily.
Piston ring (17) is used on some turbochargers. If there is no groove in shaft (1 3), ring is not
Fill piston ring groove with high vacuum
silicone lubricant and install piston ring
(17) on wheel shaft assembly (13).
Do not scuff or scratch bearings
when installing shaft or bearing
will seize during operation.
Lubricate turbine wheel shaft assembly
(13) with engine oil. Position wheel
shroud (16) against center housing (2).
Insert turbine wheel shaft assembly
through wheel shroud and into center
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