Wastegate Actuator
Inspect the actuator rod end bore which locates on the
lever arm pin for elongation. Ovalisation must not
exceed 0.50 mm (0.020 in).
HX25/25W/27W Service Repair Manual Turbocharger Service and Overhaul
5:11
Bearing Housing
Inspect journal bearing bores for wear and score marks.
Replace bearing housing (4) if a bore diameter exceeds
a maximum of 13.006 mm (0.512 in) or when bore
scratching is severe.
Check that the oil cavity is free from carbon and any
entrained debris that may be the result of a failure.
Check oil seal plate, retaining ring groove is clean and
has no debris.
Small Components
Oil Slinger
Inspect and replace oil slinger (31) if the piston ring
groove walls are scored, damaged or worn.
Check for signs of rubbing and scoring on the thrust
surface and replace where damage is severe.
If the ring faces show any signs of wear replace the
split ring seal, compressor (16).
If the free gap of the ring is less than 2.0 mm (0.08 in)
replace the split ring seal, compressor (16)
*
.
Caution
If the actuator shows any fault, it must be replaced.
To Next Page
Loading...