Engine Mechanical - Overhaul - SKYACTIV-G-2.0: Other — Engine Mechanical - Overhaul - SKYACTIV-G-2.0 — Mechanical

Engine Mechanical - Overhaul - SKYACTIV-G-2.0: Other Mazda 3 BL рестайлинг

Mechanical 4 illustrations ~116 words

Dismounting

Dismount in the reverse order of mounting.

ENGINE TECHNICAL DATA

Item	Specification
OCV coil resistance	6.9-7.5 ohms [20 °C 68 °F]
Maximum distortion, head gasket side of the cylinder head	0.05 mm 0.002 in
Maximum distortion, manifold side	IN: 0.10 mm 0.0039 in EX: 0.05 mm 0.002 in
Maximum cutting length, manifold side	IN: Cutting not authorized EX: 0.20 mm 0.0079 in
Standard valve seat contact width	1.41 mm 0.0555 in
Valve seat angle	45
Standard valve seat sinkage amount (Dimension L)	IN: 48.73-50.27 mm 1.919-1.979 in EX: 48.73-50.27 mm 1.919-1.979 in
Standard valve head margin thickness	IN: 1.75-1.95 mm 0.0689-0.0767 in EX: 1.95-2.15 mm 0.0768-0.0846 in
Standard valve length	IN: 106.55-107.15 mm 4.1949-4.2185 in EX: 116.55-117.15 mm 4.5886-4.6122 in
Minimum valve length	IN: 106.33 mm 4.1862 in EX: 116.33 mm 4.5799 in
Standard valve stem diameter	IN: 5.470-5.485 mm 0.2154-0.2159 in EX: 5.465-5.480 mm 0.2152-0.2157 in
Minimum valve stem diameter	IN: 5.424 mm 0.2135 in EX: 5.419 mm 0.2133 in
Standard valve guide inner diameter	IN: 5.510-5.530 mm 0.2170-0.2177 in EX: 5.510-5.530 mm 0.2170-0.2177 in
Standard clearance between valve stem and guide	IN: 0.025-0.060 mm 0.0010-0.0023 in EX: 0.030-0.065 mm 0.0012-0.0025 in
Maximum clearance between valve stem and guide	0.10 mm 0.0039 in
Standard valve guide projection height	IN: 16.4-17.0 mm 0.646-0.669 in EX: 16.4-17.0 mm 0.646-0.669 in
Valve spring installation height	IN: When pressurized with spring force of 190-210 N 19.4-21.4 kgf, 42.8-47.2 lbf, spring height is 38.0 mm 1.50 in EX: When pressurized with spring force of 228-252 N 23.3-25.6 kgf, 51.3-56.6 lbf, spring height is 38.0 mm 1.50 in
Maximum valve spring off-square	IN: 2.0 (1.6 mm 0.063 in) EX: 2.0 (1.7 mm 0.067 in)
Maximum camshaft runout	0.030 mm 0.0012 in
Standard cam height	IN: 41.57 mm 1.637 in EX: 40.37 mm 1.589 in
Minimum cam height	IN: 41.50 mm 1.634 in EX: 40.30 mm 1.587 in
Standard camshaft journal diameter	24.96-24.98 mm 0.9827-0.9834 in
Minimum camshaft journal diameter	24.93 mm 0.9815 in
Standard camshaft journal oil clearance	0.035-0.080 mm 0.0014-0.0031 in
Maximum camshaft journal oil clearance	0.090 mm 0.0035 in
Standard camshaft end play	0.07-0.22 mm 0.003-0.008 in
Maximum camshaft end play	0.23 mm 0.0091 in
Maximum distortion, head gasket side of the cylinder block	0.10 mm 0.0039 in
Standard cylinder bore diameter	83.50-83.53 mm 3.2875-3.2885 in
Air pressure	180-220 kPa 1.84-2.24 kgf/cm 2 , 26.2-31.9 psi
Standard piston outer diameter	83.465-83.495 mm 3.2861-3.2872 in
Standard clearance between piston and cylinder	0.025-0.045 mm 0.0010-0.0017 in
Maximum clearance between piston and cylinder	0.063 mm 0.0025 in
Standard clearance between piston ring and ring groove	Top: 0.04-0.08 mm 0.002-0.003 in Second: 0.03-0.07 mm 0.0012-0.0027 in Oil: 0.04-0.12 mm 0.002-0.004 in
Maximum clearance between piston ring and ring groove	Top: 0.12 mm 0.0047 in Second: 0.10 mm 0.0039 in Oil: 0.17 mm 0.0067 in
Standard piston ring end gap	Top: 0.13-0.18 mm 0.0052-0.0070 in Second: 0.18-0.28 mm 0.008-0.011 in Oil: 0.10-0.35 mm 0.004-0.013 in
Maximum piston ring end gap	Top: 0.35 mm 0.014 in Second: 0.45 mm 0.018 in Oil: 0.52 mm 0.020 in
Standard piston pin outer diameter	20.995-21.000 mm 0.82658-0.82677 in
Standard piston pin hole diameter	21.004-21.008 mm 0.82693-0.82708 in
Standard clearance between piston pin hole diameter and piston pin outer diameter	0.004-0.013 mm 0.0002-0.0005 in
Standard connecting rod small end inner diameter	21.006-21.017 mm 0.82701-0.82744 in
Standard clearance between connecting rod small end inner diameter and piston pin outer diameter	0.006-0.022 mm 0.0003-0.0008 in
Maximum connecting rod bending	0.050 mm 0.0020 in
Maximum connecting rod distortion	0.050 mm 0.0020 in
Connecting rod center-to-center distance	155.2 mm 6.110 in
Standard side clearance at the large end of connecting rod	0.14-0.36 mm 0.006-0.014 in
Maximum side clearance at the large end of connecting rod	0.465 mm 0.0183 in
Standard bearing oil clearance at the large end of the connecting rod	0.026-0.052 mm 0.0011-0.0020 in
Maximum bearing oil clearance at the large end of the connecting rod	0.10 mm 0.0039 in
Connecting rod bearing size	STD: 1.503-1.520 mm 0.05918-0.05984 in OS 0.25:1.628-1.631 mm 0.06410-0.06421 in OS 0.50:1.753-1.756 mm 0.06902-0.06913 in
Standard crankshaft end play	0.08-0.29 mm 0.004-0.011 in
Maximum crankshaft end play	0.30 mm 0.012 in
Thrust bearing size	STD: 2.500-2.550 mm 0.0985-0.1003 in OS 0.25: 2.625-2.675 mm 0.1034-0.1053 in
Maximum main journal runout	0.10 mm 0.0039 in
Standard main journal diameter	46.980-47.000 mm 1.8497-1.8503 in
Maximum main journal off-round	0.005 mm 0.0002 in
Standard crank pin diameter	46.980-47.000 mm 1.8497-1.8503 in
Maximum crank pin off-round	0.005 mm 0.0002 in
Standard main journal oil clearance	0.016-0.039 mm 0.0007-0.0015 in
Maximum main journal oil clearance	0.084 mm 0.0033 in
Main bearing size	STD: 2.489-2.510 mm 0.0980-0.0988 in OS 0.25: 2.614-2.617 mm 0.10292-0.10303 in OS 0.50: 2.739-2.742 mm 0.10784-0.10795 in
Flywheel maximum runout	0.10 mm 0.0039 in
Standard cylinder head bolt length	145.2-145.8 mm 5.717-5.740 in
Maximum cylinder head bolt length	146.5 mm 5.768 in
Standard connecting rod bolt length	43.7-44.3 mm 1.73-1.74 in
Maximum connecting rod bolt length	45.0 mm 1.77 in
Rear oil seal press-in amount	0-0.5 mm 0-0.019 in
Front oil seal press-in amount	0-0.5 mm 0-0.019 in

ENGINE SST

1: Mazda SST number

2: Global SST number

E ample

1:49 E0111A0

Ring gear brake

set

Engine SST Chart. Scheme 411

Scheme 411: Engine SST Chart

1:49L0101A0 2: Engine hanger set 1:49 0107 680A 2: Engine stand 1:49 E011 1A0 2: Ring gear brake set 1:49 0636 100B 2: Valve spring lifter arm 1:49B012 0A2A 2: Pivot 1:49 S120 170 2: Valve seal remover 1:49B012 015 2: Valve guide installer 1:49 E033 101 2: Dust cover installer 1:49B012 016 2: Attachment 1:49 G028 205 2: Oil seal installer 1:49 1285 071 2: Bearing puller