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Engine Mechanical -- Specifications: Other Scion xA I

SERVICE DATA

New Drive Belt Deflection Pressing Force: 98 N (10 kgf, 22lbf) Used Drive Belt Deflection Pressing Force: 98 N (10 kgf, 22lbf)For Fan And Generator For Fan And Generator For Vane Pump For Vane Pump7.0 to 8.5 mm (0.28 to 0.33 in.) 8.0 to 10.0 mm (0.31 to 0.39 in.) 11.0 to 13.0 mm (0.43 to 0.51 in.) 11.0 to 13.0 mm (0.43 to 0.51 in.)
New Drive Belt Tension Used Drive Belt TensionFor Fan And Generator For Vane Pump For Fan And Generator For Vane Pump490 to 690 N (50 to 70 kgf, 110 to 155 lb) 445 to 667 N (45 to 68 kgf, 100 to 150 lb) 340 to 440 N (35 to 45 kgf, 76 to 99 lb) 267 to 445 N (27 to 45 kgf, 60 to 100 lb)
Ignition Timing8 to 12° BTDC
Idle SpeedM/T A/T650 +/- 50 RPM 700 +/- 50 RPM
Compression Pressure1,471 kPa (15.0 kgf/cm 2 213 psi)
Minimum Pressure1,079 kPa (11.0 kgf/cm 2 156 psi)
Difference Between Each Cylinder98 kPa (1.0kgf/cm 2 14 psi)
Valve Clearance (Cold)Intake Exhaust0.15 to 0.25 mm (0.006 to 0.010 in.) 0.25 to 0.35 mm (0.010 to 0.014 in.)
Chain ElongationMaximum123.2 mm (4.850 in.)
Camshaft Timing Gear Diameter (W / Chain)Maximum96.2 mm (3.787 in.)
Camshaft Timing Sprocket Diameter (W / Chain)Maximum96.2 mm (3.787 in.)
Chain Tensioner WearMaximum1.0 mm (0.039 in.)
Chain Vibration Damper WearMaximum1.0 mm (0.039 in.)
Cylinder Head Bolt LengthStandard Maximum142.8 to 144.2 mm (5.622 to 5.677 in.) 147.1 mm (5.791 in.)
Cylinder Head WarpageMaximum Cylinder Block Surface Intake Manifold Surface Exhaust Manifold Surface0.05 mm (0.0020 in.) 0.10 mm (0.0039 in.) 0.10 mm (0.0039 in.)
Intake Valve Overall Length Standard Intake Valve Stem Diameter Intake Valve Margin ThicknessStandard Minimum Standard Minimum89.25 mm (3.5138 in.) 88.75 mm (3.4941 in.) 4.970 to 4.985 mm (0.1957 to 0.1963 in.) Minimum 1.0 mm (0.039 in.) 0.5 mm (0.020 in.)
Exhaust Valve Overall Length Exhaust Valve Stem Diameter Exhaust Valve Margin ThicknessStandard Minimum Standard Minimum87.90 mm (3.4606 in.) 87.40 mm (3.4409 in.) 4.965 to 4.980 mm (0.1955 to 0.1961 in.) 1.15 mm (0.045 in.) 0.5 mm (0.020 in.)
Valve Spring Free Length Valve Spring Deviation Valve Spring Angle (Reference) Valve Spring Installed Tension At 32.5 mm (1.280 in.) Valve Spring Working Tension At 23.9 mm (0.941 in.)Maximum Maximum Maximum45.1 mm (1.776 in.) 1.6 mm (0.063 in.) 2° 149 to 165 N (15.2 to 16.8 kgf, 33.5 to 37.1 lbf) 286 to 316 N (29.1 to 32.2 kgf, 64.2 to 71.0 lbf)
Bushing Inside Diameter Valve Guide Bushing Oil Clearance Valve Guide Bush Diameter Bushing Protrusion HeightStandard Intake Exhaust Maximum Intake Exhaust Standard O#S5.010 to 5.030 mm (0.1972 to 0.1980 in.) 0.025 to 0.060 mm ( 0.0010 to 0.0024 in.) 0.030 to 0.065 mm (0.0012 to 0.0026 in.) 0.08 mm (0.0032 in.) 0.10 mm (0.0039 in.) 9.685 to 9.706 mm (0.3813 to 0.3821 in.) 9.735 to 9.755 mm (0.3833 to 0.3841 in.) 9.0 to 9.4 mm (0.354 to 0.370 in.)
Lifter Diameter Lifter Bore Diameter Oil ClearanceStandard Maximum30.966 to 30.976 mm (1.2191 to 1.2195 in.) 31.000 to 31.025 mm (1.2205 to 1.2215 in.) 0.024 to 0.059 mm (0.0009 to 0.0023 in.) 0.1 mm (0.0039 in.)
Camshaft Circle Runout Camshaft Cam Lobe Height Camshaft No. 1 Journal Diameter Camshaft Other Journals DiameterMaximum Standard Minimum0.03 mm (0.0012 in.) 44.617 to 44.717 mm (1.7566 to 1.7605 in.) 43.16 mm (1.6992 in.) 34.449 to 34.465 mm (1.3563 to 1.3569 in.) 22.949 to 22.965 mm (0.9035 to 0.9041 in.)
No. 2 Camshaft Circle Runout No. 2 Camshaft Cam Lobe Height No. 2 Camshaft No. 1 Journal Diameter No. 2 Camshaft Other Journals DiameterMaximum Standard Minimum0.03 mm ( 0.0012 in.) 44.52 mm (1.7528 in.) 44.666 to 44.766 mm (1.7585 to 1.7624 in.) 34.449 to 34.465 mm (1.3563 to 1.3569 in.) 22.949 to 22.965 mm (0.9035 to 0.9041 in.)
Camshaft Thrust ClearanceStandard Maximum0.040 to 0.095 mm (0.0016 to 0.0037 in.) 0.11 mm (0.0043 in.)
Camshaft Oil ClearanceStandard Maximum0.035 to 0.072 mm (0.0014 to 0.0028 in.) 0.08 mm (0.0031 in.)
Camshaft Bearing Cap Setting Ring Pin Protrusion Height8.5 to 9.5 mm (0.335 to 0.374 in.)
Union ProtrusionUnion A Union B29 mm (1.14 in.) 44 mm (1.73 in.)
Connecting Rod Thrust ClearanceStandard Maximum0.16 to 0.36 mm (0.0063 to 0.0142 in.) 0.36 mm (0.0142 in.)
Connecting Rod Oil ClearanceStandard Maximum0.016 to 0.040 mm (0.0006 to 0.0016 in.) 0.06 mm (0.0024 in.)
Crankshaft Thrust ClearanceStandard Maximum0.09 to 0.19 mm (0.0035 to 0.0075 in.) 0.03 mm (0.0118 in.)
Cylinder Block WarpageMaximum0.05 mm (0.0020 in.)
Cylinder Bore DiameterStandard Difference Limit75.000 to 75.013 mm (2.9528 to 2.9533 in.) 0.10 mm (0.0039 in.)
Piston Diameter Piston Pin Hole Diameter At 20°C (68°F) Piston Pin Diameter Oil ClearanceStandard Maximum74.945 to 74.955 mm (2.9506 to 2.9510 in.) 18.013 to 18.016 mm (0.7092 to 0.7093 in.) 18.001 to 18.004 mm (0.7087 to 0.7088 in.) 0.009 to 0.015 mm (0.0004 to 0.0006 in.) Maximum 0.050 mm (0.0020 in.)
Piston ClearanceStandard Maximum0.045 to 0.068 mm (0.0018 to 0.0027 in.) Maximum 0.08 mm (0.0032 in.)
Connecting Rod Out-Of Alignment Connecting Rod TwistMaximum Maximum0.05 mm (0.0020 in.) per 100 mm (3.94 in.) 0.05 mm (0.0020 in.) per 100 mm (3.94 in.)
Piston Ring Groove ClearanceNo. 1 No. 20.03 to 0.07 mm (0.0012 to 0.0028 in.) 0.02 to 0.06 mm (0.0008 to 0.0024 in.)
Piston Ring End GapStandard No. 1 No. 2 Oil (Side Rail) Maximum No. 1 No. 2 Oil (Side Rail)0.25 to 0.35 mm (0.0098 to 0.0138 in.) 0.35 to 0.50 mm (0.0138 to 0.0197 in.) 0.10 to 0.35 mm (0.0039 to 0.0138 in.) 0.91 mm (0.0358 in.) 1.06 mm (0.0417 in.) 0.82 mm (0.0323 in.)
Connecting Rod Bolt DiameterStandard Maximum6.6 to 6.7 mm (0.260 to 0.264 in.) 6.4 mm (0.252 in.)
Crankshaft Circle Runout Main Journal Diameter Main Journal Taper And Out-Of-Round Crank Pin Diameter Crank Pin Taper And Out-Of-Round Crankshaft Timing Sprocket Diameter (W/ Chain)Maximum Maximum Maximum Standard Maximum0.03 mm (0.0012 in.) 45.988 to 46.000 mm (1.8106 to 1.8110 in.) 39.992 to 40.000 mm (1.5745 to 1.5748 in.) 0.02 mm (0.0008 in.) 51.72 mm (2.0362 in.) 50.5 mm (1.988 in.)
Crankshaft Bearing Cap Set Bolt DiameterStandard Minimum7.3 to 7.5 mm (0.287 to 0.295 in.) 7.2 mm (0.283 in.)
Crankshaft Oil ClearanceStandard Maximum0.01 to 0.023 mm (0.0004 to 0.0009 in.) 0.07 mm (0.0028 in.)
Tight Plug Depth0.2 to 1.2 mm (0.008 to 0.047 in.)
Cylinder Head Set Straight Pin Protrusion8.5 to 9.5 mm (0.335 to 0.374 in.)
Straight Pin ProtrusionPin A Pin B Pin C Pin D3.5 to 4.5 mm (0.138 to 0.177 in.) 18.5 to 19.5 mm (0.728 to 0.768 in.) 8.5 to 9.5 mm (0.335 to 0.374 in.) 11.5 to 12.5 mm (0.453 to 0.492 in.)

ENGINE-MECHANICAL SERVICE DATA