Inspection
INSPECTION- Clean the crankshaft oil passages with pipe cleaners or a suitable brush.
- Check the keyway and threads.
ALIGNMENT
- Measure runout on all main journals to make sure the crank is not bent.
- The difference between measurements on each journal must not be more than the service limit.
Crankshaft Total Indicated Runout:
B16A2 engine:
Standard (New): 0.020 mm (0.0008 inch) max.
Service Limit: 0.030 mm (0.0012 inch)
D16Y5, D16Y7, D16Y8 engines:
Standard (New): 0.03 mm (0.001 inch) max.
Service Limit: 0.04 mm (0.002 inch)
OUT-OF-ROUND AND TAPER
- Measure out-of-round at the middle of each rod and main journal in two places.
- The difference between measurements on each journal must not be more than the service limit.
Journal Out-of-Round:
B16A2 engine:
Standard (New): 0.0004 mm (0.0002 inch) max.
Service Limit: 0.006 mm (0.0002 inch)
D16Y5, D16Y7, D16Y8 engines:
Standard (New): 0.0025 mm (0.0001 inch) max.
Service Limit: 0.005 mm (0.0002 inch)
- Measure taper at the edges of each rod and main journal.
- The difference between measurements on each journal must not be more than the service limit.
Journal Taper:
B16A2 engine:
Standard (New): 0.005 mm (0.0002 inch) max.
Service Limit: 0.010 mm (0.004 inch)
D16Y5, D16Y7, D16Y8 engines:
Standard (New): 0.0025 mm (0.0001 inch) max.
Service Limit: 0.005 mm (0.0002 inch)