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Home >> Subaru >> 2006 >> B9 Tribeca F6-3.0L DOHC >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Block Assembly >> System Specifications
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System Specifications

Cylinder block
Standard height 202 mm (7.95 inch)
Cylinder inner diameter
Standard A 89.205 - 89.215 mm (3.5120 - 3.5124 inch)
Standard B 89.195 - 89.205 mm (3.5116 - 3.5120 inch)

Cylindricality Standard 0.030 mm(0.0012 inch)
Out-of-roundness Standard 0.010 mm (0.0004 inch)
Piston clearance Standard -0.010 - 0.010 mm (-0.0004 - 0.0004 inch)


Crankshaft
Crank pin and crank journal
Out-of-roundness 0.005 mm (0.0002 inch)
Cylindricality 0.006 mm (0.0002 inch)

Crank pin outer diameter
Standard 51.984 - 52.000 mm (2.0466 - 2.0472 inch)
0.03 mm (0.0012 inch) US 51.954 - 51.970 mm (2.0454 - 2.0461 inch)
0.05 mm (0.0020 inch) US 51.934 - 51.950 mm (2.0446 - 2.0453 inch)
0.25 mm (0.0098 inch) US 51.734 - 51.750 mm (2.0368 - 2.0374 inch)

Crank journal outer diameter
#1, #3, #5, #7
Standard 63.992 - 64.008 mm (2.5194 - 2.5200 inch)
0.03 mm (0.0012 inch) US 63.962 - 63.978 mm (2.5182 - 2.5188 inch)
0.05 mm (0.0020 inch) US 63.942 - 63.958 mm (2.5174 - 2.5180 inch)
0.25 mm (0.0098 inch) US 63.742 - 63.758 mm (2.5095 - 2.5102 inch)

#2, #4, #6
Standard 63.992 - 64.008 mm (2.5194 - 2.5200 inch)
0.03 mm (0.0012 inch) US 63.962 - 63.978 mm (2.5182 - 2.5188 inch)
0.05 mm (0.0020 inch) US 63.942 - 63.958 mm (2.5174 - 2.5180 inch)
0.25 mm (0.0098 inch) US 63.742 - 63.758 mm (2.5095 - 2.5102 inch)

Thrust clearance Standard 0.030 - 0.115 mm (0.0012 - 0.0045 inch)
Oil clearance Standard 0.010 - 0.030 mm (0.0004 - 0.0012 inch)


Main bearing
Bearing size (Thickness at center)
#1, #3, #5, #7
Standard 1.992 - 2.005 mm (0.0784 - 0.0789 inch)
0.03 mm (0.0012 inch) US 2.011 - 2.014 mm (0.0792 - 0.0793 inch)
0.05 mm (0.0020 inch) US 2.021 - 2.024 mm (0.0796 - 0.0797 inch)
0.25 mm (0.0098 inch) US 2.121 - 2.124 mm (0.0835 - 0.0836 inch)

#2, #4, #6
Standard 1.996 - 2.009 mm (0.0786 - 0.0791 inch)
0.03 mm (0.0012 inch) US 2.015 - 2.018 mm (0.0793 - 0.0794 inch)
0.05 mm (0.0020 inch) US 2.025 - 2.028 mm (0.0797 - 0.0798 inch)
0.25 mm (0.0098 inch) US 2.125 - 2.128 mm (0.0837 - 0.0838 inch)

Connecting rod
Thrust clearance Standard 0.070 - 0.330 mm (0.0028 - 0.0130 inch)


Piston
Outer diameter
Standard
A 89.205 - 89.215 mm (3.5120 - 3.5124 inch)
B 89.195 - 89.205 mm (3.5116 - 3.5120 inch)

0.25 mm (0.0098 inch) OS 89.445 - 89.465 mm (3.5215 - 3.5222 inch)
0.50 mm (0.0197 inch) OS 89.695 - 89.715 mm (3.5313 - 3.5321 inch)
Inner diameter of piston pin hole Standard 22.000 - 22.006 mm (0.8661 - 0.8664 inch)


Piston pin
Outer diameter Standard 21.994 - 22.000 mm (0.8659 - 0.8661 inch)
Standard clearance between piston and piston pin Standard 0.004 - 0.008 mm (0.0002 - 0.0003 inch)


Piston ring
Ring closed gap
Top ring Standard 0.20 - 0.35 mm (0.0079 - 0.0138 inch)
Second ring Standard 0.35 - 0.50 mm (0.0138 - 0.0197 inch)
Oil ring Standard 0.20 - 0.60 mm (0.0079 - 0.0236 inch)

Ring groove gap
Top ring Standard 0.040 - 0.080 mm (0.0016 - 0.0031 inch)
Second ring Standard 0.030 - 0.070 mm (0.0012 - 0.0028 inch)
Oil ring Standard 0.045 - 0.125 mm (0.0018 - 0.0049 inch)


Crankshaft Pulley 178 Nm (18.1 kgf-m, 131 ft. lbs.)