Section 01 ENGINES (1503 4-TEC)
Subsection 07 (CYLINDER BLOCK)
R1503motr24A
3
1
2
B
A
1. First measuring diameter
2. Second measuring diameter
3. Third measuring diameter
A. 60 mm (2.362 in)
B. 110 mm (4.331 in)
CYLINDER TAPER IN DIAMETER mm (in)
NEW MAXIMUM 0.038 (.001)
SERVICE LIMIT 0.090 (.004)
Distance between measurements should not ex-
ceed the service limit mentioned above.
Cylinder Out of Round
Measure cylinder diameter in piston axis direction
from top of cylinder. Take an other measurement
90° from first one and compare.
NOTE: Take the same measuring points as de-
scribed in CYLINDER TAPER above.
A
R1503motr25A
B
A. Perpendicular to crankshaft axis
B. Parallel to crankshaft axis
CYLINDER OUT OF ROUND mm (in)
NEW MAXIMUM 0.008 (.0003)
SERVICE LIMIT
0.015 (.0006)
Bearings
To measure the wear of the crankshaft bearings
no. 13 and no. 14 and balancer shaft bearings
no. 15, both cylinder block halves with OLD bear-
ings have to be screwed together as per tighten-
ing procedure described below.
Measure the inside diameter of the bearings with
a bore gauge.
1
R1503motr33A
ENGINE UPSIDE DOWN
1. Bore gauge
CRANKSHAFT BEARING INSIDE
DIAMETER mm (in)
SERVICE LIMIT 50.1 (1.9724)
SMR2005-037 109
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