GT32

Tolerances

Part Inches Millimeters
Min. Max. Min. Max.

Bearing housing

Piston ring bore diameter 0,7100 0,7104 18,0340 18,0440
Bearing bore diameter 0,6220 0,6227 15,7990 15,8170

Shaft and wheel

Journal diameter 0,3997 0,4000 10,1520 10,1600

Clearances

Part Inches Millimeters
Min. Max. Min. Max.

Rotor

Axial end play
Radial bearing clearance

Torques

Part Pounds per Inch Newtons per meter
Min. Max. Min. Max.

Bolts

compressor housing ( 'Z' system ) 185,0 215,0 20,9 24,3
compressor housing ( compact ) 80,0 120,0 9,0 13,6
turbine housing 185,0 215,0 20,9 24,3
backplate 185,0 215,0 20,9 24,3

Shaft nut

Compressor wheels ( threaded ) 90,0 110,0 10,2 12,5
Compressor wheels ( boreless ) 90,0 110,0 10,2 12,5