Section 01 ENGINES (1503 4-TEC)
Subsection 08 (TECHNICAL SPECIFICATIONS)
ENGINE NATURALLY ASPIRATED SUPERCHARGED
Minimum (new) 20.00 mm (.7874 in)
Maximum (new) 20.02 mm (.7882 in)Rocker arm bore diameter
Wear limit 20.03 mm (.7886 in)
Minimum (new) 19.98 mm (.7866 in)
Maximum (new) 19.99 mm (.7870 in)Rocker arm shaft diameter
Wear limit 19.96 mm (.7858 in)
Cylinder head screw Service limit
148.5 mm (5.846 in)
1
st
Upper compression ring, rectangular
2
nd
Lower compression ring, tapered facePiston ring type and quantity
3
rd
Oil scraper ring
Rectangular 0.3 mm (.012 in)
Taper-face 0.3 mm (.012 in)
Oil scraper ring
Minimum (new)
0.3 mm (.012 in)
Rectangular 0.5 mm (.020 in)
Taper-face 0.5 mm (.020 in)
Oil scraper ring
Maximum (new)
0.5 mm (.020 in)
Ring end gap
All Wear limit 1.0 mm (.04 in)
Rectangular 0.02 mm (.0008 in)
Taper-face 0.015 mm (.0006 in)
Oil scraper ring
Minimum (new)
0.02 mm (.0008 in)
Rectangular 0.07 mm (.0028 in)
Taper-face 0.06 mm (.0024 in)
Oil scraper ring
Maximum (new)
0.055 mm (.0021 in)
Ring/piston groove
clearance
All Wear limit 0.15 mm (.006 in)
Minimum (new)
0.024 - 0.056 mm
(.001 - .0022 in)
0.04 mm (.001 in)
Piston/cylinder wall clearance
Wear limit 0.1 mm (.0039 in)
Cylinder taper (maximum)
0.03 mm (.0011 in)
Cylinder out of round (maximum) 0.015 mm (.0006 in)
Minimum (new) 24.93 mm (.9815 in)
Maximum (new) 24.96 mm (.9827 in)Front
Wear limit 24.93 mm (.9815 in)
Minimum (new) 39.89 mm (1.5705 in)
Maximum (new) 39.9 mm (1.5709 in)
Camshaft bearing
journal
PTO and center
Wear limit 39.88 mm (1.5701 in)
Minimum (new) 25.00 mm (.9842 in)
Maximum (new) 25.01 mm (.9846 in)Front
Wear limit 25.02 mm (.9850 in)
Minimum (new) 40.00 mm (1.5748 in)
Maximum (new) 40.01 mm (1.5752 in)
Camshaft bore
PTO and center
Wear limit 40.02 mm (1.5756 in)
114 smr2005-038
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