2F and 3F-E engines
(data for 3F-E motors are in brackets)
Compression: | |
– standard | 9.8 kgf/cm2 (9,8) |
- the greatest difference in compression in the cylinders | 2.0 kgf/cm2 (2,0) |
Oil pressure: | |
- at idle (600 rpm) | not less than 0.28 kgf/cm2 (0,28) |
– at 1600 rpm | 2.4 – 4.9 kgf/cm2 (2,4 – 4,9) |
Cylinder block: | |
– standard cylinder inner diameter | 94,000 – 94,05 (94,000 – 94,03) |
– taper and ovality | no more than 0.02 (0,025) |
– maximum allowable deformation of the split plane | 0,15 (0,15) |
Cylinder head and valves: | |
Maximum allowable deformation of the split plane | 0,15 (0,15) |
Valve Head Band Width (ultimate): | |
- inlet | 0,80 (1,0) |
- graduation | 1,0 (1,2) |
Rod diameter: | |
- inlet valves | 7,970 – 7,985 (7,970 – 7,985) |
– graduation | 7,960 – 7,975 (7,960 – 7,975) |
Clearance between valve stem and guide sleeve | |
Standard: | |
- inlet | 0,030 – 0,060 (0,025 – 0,060) |
– graduation | 0,040 – 0,070 (0,035 – 0,070) |
Limit: | |
- inlet | 0,10 (0,10) |
– graduation | 0,10 (0,12) |
Valve Spring Length: | |
- in a free state | 51,5 (51,5) |
- installed | 43,0 (43,0) |
Crankshaft and connecting rods | |
Crankpins: | |
– diameter | 53,98 – 54,00 (52,988 – 53,000) |
- clearance in connecting rod bearings | 0,02 – 0,06 (0,02 – 0,05) |
Axial play of connecting rods: | |
– standard | 0,11 – 0,23 (0,16 – 0,30) |
- marginal | 0,30 (0,40) |
Indigenous necks | |
Diameter: | |
– N 1 | 66,972 – 66,996 (66,972 – 66,996) |
– N 2 | 68,472 – 68,496 (68,472 – 68,496) |
– N 3 | 69,972 – 69,996 (69,972 – 69,996) |
– N 4 | 71,472 – 71,496 (71,472 – 71,496) |
Clearance in connecting rod bearings | 0,020 – 0,044 (0,020 – 0,044) |
Axial play of the crankshaft: | |
– standard | 0,06 – 0,16 (0,015 – 0,204) |
- marginal | 0,30 (0,30) |
Ovality and taper | no more than 0.1 |
Pistons and rings: | |
– piston diameter (standard) | 93,97 – 94,02 (93,96 – 93,99) |
- gap between piston and cylinder | 0,03 – 0,05 (0,027 – 0,047) |
Piston ring clearance: | |
- top compression | 0,20 – 0,38 (0,20 – 0,42) |
- lower compression | 0,20 – 0,38 (0,50 – 0,72) |
- in the oil scraper (only for 3F-E engine) | 0,200 – 0,820 |
Clearance between ring and groove in piston: | |
- top compression | 0,03 – 0,06 (0,03 – 0,07) |
- lower compression | 0,02 – 0,06 (0,05 – 0,09) |
* All dimensions and clearances are in mm.
Tightening torques (N·m) *
Connecting rod bearing cap nuts | 67 (52) |
For 2F engines | |
Main bearing cap bolts: | |
– N 1, 2, 3 | 130 |
– N 4 | 114 |
For 3F-E engines: | |
– head bolts 19 | 121 |
– head bolts 17 | 103 |
* See also subsection 3.1.1.
1FZ-FE engines
Compression: | |
– standard | 11.2 kgf/cm2 |
- the greatest difference in compression in the cylinders | 2.0 kgf/cm2 |
Oil pressure: | |
- at idle (600 rpm) | not less than 0.28 kgf/cm2 |
– at 1600 rpm | 2.4 – 4.9 kgf/cm2 |
Cylinder block: | |
- inner diameter of the cylinder (standard) | 100,000 – 100,010 |
– taper and ovality | no more than 0.025 |
– maximum allowable deformation of the split plane | 0,15 |
Cylinder head and valves | |
Maximum allowable deformation of the split plane | 0,15 |
Valve Head Band Width (ultimate): | |
- inlet | 1,0 |
- graduation | 1,0 |
Rod diameter: | |
- inlet valves | 6,970 – 6,985 |
– graduation | 6,965 – 6,980 |
Clearance between valve stem and guide sleeve: | |
– standard: | |
• intake | 0,025 – 0,060 |
• graduation | 0,030 – 0,065 |
- limit: | |
• intake | 0,08 |
• graduation | 0,10 |
Valve Spring Length: | |
- in a free state | 43,94 – 45,06 |
- installed | 38,5 |
Crankshaft and connecting rods | |
Crankpins: | |
– diameter | 56,982 – 57,000 |
- clearance in connecting rod bearings | 0,032 – 0,050 |
Axial play of connecting rods: | |
– standard | 0,160 – 0,262 |
- marginal | 0,362 |
Root necks: | |
– diameter | 68,982 – 69,000 |
- clearance in bearings | 0,042 – 0,060 |
Axial play of the crankshaft: | |
– standard | 0,020 – 0,22 |
- marginal | 0,30 |
Ovality and taper | no more than 0.02 |
Pistons and rings | |
Piston diameter (standard): | |
– group 1 | 99,950 – 99,960 |
– group 2 | 99,960 – 99,970 |
– group 3 | 99,970 – 99,980 |
Clearance between piston and cylinder | 0,04 – 0,06 |
Piston ring clearance: | |
- top compression | 0,30 – 0,52 |
- lower compression | 0,45 – 0,67 |
- in the oil scraper | 0,15 – 0,52 |
Clearance between ring and groove in piston: | |
- top compression | 0,04 – 0,08 |
- lower compression | 0,03 – 0,07 |
Tightening torques (N·m) *
Oil nozzles | 22 |
Main bearing cap bolts: | |
– 1st stage | 66 |
– 2nd stage | tighten by 90° |
Connecting rod bearing cap nuts: | |
– 1st stage | 43 |
– 2nd stage | tighten by 90° |
* See also subsection 3.2.1.