1D-63 Engine Mechanical:
Main Bearing Cap No.1 Bolt
Measure each thread diameter main bearing cap No.1
bolts (1) at “A” on 60 mm (2.36 in.) from seat side of
flange bolt and “B” on 90 mm (3.54 in.) from seat side of
flange bolt by using a micrometer (2).
Calculate difference in diameters (“A” – “B”).
If it exceeds limit, replace with new one.
Main bearing cap No.1 bolt diameter measurement
points
“a”: 60 mm (2.36 in.)
“b”: 90 mm (3.54 in.)
Main bearing cap No.1 bolt diameter difference
Limit (“A” – “B”): 0.2 mm (0.008 in.)
Sensor Plate Inspection
S7RS0B1406039
Check sensor plate for crack damage.
If malcondition is found, replace it.
Rear Oil Seal Inspection
S7RS0B1406040
Carefully inspect oil seal (1) for wear or damage. If its lip
is worn or damaged, replace it.
Flywheel Inspection
S7RS0B1406041
Visual Inspection
• If ring gear is damaged, cracked or worn, replace
flywheel.
• If the surface contacting clutch disc is damaged, or
excessively worn, replace flywheel.
Flywheel Face Runout
Check flywheel face runout with a dial gauge.
If runout exceeds its limit, replace flywheel.
Flywheel face runout
Limit: 0.2 mm (0.0079 in.)
Cylinder Block Inspection
S7RS0B1406042
Distortion of Gasketed Surface
Using straightedge and thickness gauge, check
gasketed surface for distortion and, if flatness exceeds
its limit, correct It.
Cylinder block flatness
Limit: 0.03 mm (0.0012 in.)
“A”
“a”
“b”
“B”
1
1
2
I2RH0B140145-01
I2RH0B140151-01
I4RS0A140020-01
I2RH01140198-01
I2RH01140199-01
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