ENGINE 3-79
CONROD/CRANKSHAFT INSPECTION
CONROD SMALL END I.D.
Measure the conrod small end inside diameter using the small
bore gauge.
If the conrod small end inside diameter exceeds the service limit,
replace the conrod.
" 09900-20602: Dial gauge (1/1000 mm)
09900-22403: Small bore gauge (18 – 35 mm)
# Conrod small end I.D.
Service Limit: 18.040 mm (0.7102 in)
CONROD BIG END SIDE CLEARANCE
Check the conrod big end side clearance using the thickness
gauge. If the clearance exceeds the limit, measure the conrod
big end width and crank pin width.
If any of the measurements are out of specification, replace the
defective part(-s).
" 09900-20803: Thickness gauge
# Conrod big end side clearance
Service Limit: 0.3 mm (0.01 in)
" 09900-20205: Micrometer (0 – 25 mm)
09900-20605: Dial calipers (10 – 34 mm)
# Conrod big end width
Standard: 20.95 – 21.00 mm (0.825 – 0.827 in)
# Crank pin width
Standard: 21.10 – 21.15 mm (0.831 – 0.833 in)
CONROD-CRANK PIN BEARING INSPECTION
AND SERVICE
CONROD-CRANK PIN BEARING INSPECTION
• Loosen the bearing cap nuts and tap the bearing cap nut lightly
using a plastic hammer to remove the bearing cap.
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