Honda Tsivik  + Cars of the Honda Civic and Acura Integra brand  + Maintenance instruction  +  Routine maintenance  -  Engine      + Repair of the engine without extraction from the car - the Civic model     + Repair of the engine without extraction from the car - the Integra model     + General and capital repairs of the engine  + Cooling system and heating  + Power supply system and release   + Engine electric equipment   + Control systems of the engine  + Gear shifting box   + Coupling and power shafts   + Brake system   + Suspension bracket and steering   + Body   + Onboard electric equipment  
  
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 Engine  Specifications 
Repair without extraction from the car – the Civic model 
General parameters  
 
 |   Characteristic  | 
   Value  | 
  
 
  Ignition order   |  1–3–4–2   |  
 
  Numbering of cylinders (in front back)   |  1–2–3–4   |  
 
  Diameter of cylinders, mm   |  74.93   |  
 
  Piston stroke, mm   |  89.92   |  
 
  Working volume, cm3 (l)   |  1589 (1.6)   |  
 
Arrangement of cylinders and direction of rotation of the distributor of ignition 
 
Camshaft 
 
 |   Characteristic  | 
   Value  | 
  
 
  Axial side play, mm   |   | 
  
 
     Nominal   |  0.051   |  
 
     Limit admissible   |  0.152   |  
 
  Cam height in the plane of rise, mm   |    |  
 
     D16Y5   |    |  
 
        Inlet   |    |  
 
           Primary   |  38.4277   |  
 
           Secondary   |  32.1920   |  
 
        Final   |  38.7833   |  
 
     D16Y7   |    |  
 
        Inlet   |  35.2984   |  
 
        Final   |  37.2821   |  
 
     D16Y8   |    |  
 
        Inlet   |    |  
 
           Pervichye   |  36.7767   |  
 
           Intermediate   |  38.2727   |  
 
           Secondary   |  37.0637   |  
 
        Final   |  38.0086   |  
 
  Cross beating, mm   |    |  
 
     Nominal   |  0.025   |  
 
     Limit admissible   |  0.051   |  
 
  Working gap in bearings, mm   |    |  
 
     Nominal   |  0.0508÷0.1016   |  
 
     Limit admissible   |  0.152   |  
 
Oil pump  
 
 |   Characteristic  | 
   Value  | 
  
 
  Working gaps of gear wheels, mm   |   | 
  
 
     Axial gap of gear wheels   |   | 
  
 
        Nominal   |  0.025÷0.076   |  
 
        Limit admissible   |  0.152   |  
 
     Gap between tops of teeths of gear wheels   |    |  
 
        Nominal   |  0.025÷0.152   |  
 
        Limit admissible   |  0.203   |  
 
     Gap between an external gear wheel and walls of the case   |    |  
 
        Nominal   |  0.102÷0.178   |  
 
        Limit admissible   |  0.203   |  
 
Efforts of tightening of threaded connections, Nanometer  
 
 |   Characteristic  | 
   Value  | 
  
 
  Bolts of fastening of covers of bearings of the camshaft   |   | 
  
 
     Bolts on 6 mm   | 12.2 | 
  
 
     Bolts on 8 mm   | 19 | 
  
 
  Camshaft cogwheel bolt   | 37 | 
  
 
  Bolt of fastening of the sensor of fluctuations of a bent shaft   | 11.8 | 
  
 
  Bolt of a pulley of a bent shaft   | 182 | 
  
 
  Bolts of a head of cylinders   |   | 
  
 
     Stage 1   | 19 | 
  
 
     Stage 2   | 49 | 
  
 
     Stage 3   | 66 | 
  
 
     Stage 4   | 66 | 
  
 
  Bolts of fastening of a driving disk to a bent shaft   | 73 | 
  
 
  Nuts of fastening of the inlet pipeline   | 23 | 
  
 
  Nuts of fastening of a final collector to a head of cylinders   | 31 | 
  
 
  Nuts of fastening of a reception pipe to a final collector   |   | 
  
 
     D16Y5, D16Y7   | 34 | 
  
 
     D16Y8   | 54 | 
  
 
  Bolts of the top cover of a final collector   | 23 | 
  
 
  Bolts of fastening of the lower cover of a final collector (D16Y5, D16Y7)   |   10.8  | 
  
 
  Bolts of fastening of a flywheel to a bent shaft   |   118  | 
  
 
  Oxygen sensor (l-probe)   |   45  | 
  
 
  Oil pressure sensor switch   | 17.6 | 
  
 
  Drain stopper of the pallet of a case of the engine   | 39 | 
  
 
  Bolts of fastening of the pallet of a case to the engine   | 11.8 | 
  
 
  Nuts of fastening of a maslozaborny tube to a pump housing   | 10.8 | 
  
 
  Fastening of a maslozabornik of the oil pump to the bridge of covers of radical bearings   | 10.8 | 
  
 
  Bolts of fastening of the case of the oil pump to the engine   | 10.8 | 
  
 
  Screws of fastening of a cover of the oil pump   | 6.8 | 
  
 
  Bolts of the holder of a back epiploon of a bent shaft   | 10.8 | 
  
 
  Bolts of fastening of covers of a gas-distributing belt   | 9.7 | 
  
 
  Bolt of fastening of a natyazhitel of a gas-distributing belt   | 45 | 
  
 
  Bolts of fastening of a cover of a head of cylinders   | 9.7 | 
  
 
  Bolts of fastening of the electromagnetic valve of blocking of VTEC   | 11.8 | 
  
 
  Bolts of fastening of the water pump   | 12.2 | 
  
 
Repair without extraction from the car – the Integra model 
General parameters  
 
 |   Characteristic  | 
   Value  | 
  
 
  Ignition order   |  1–3–4–2   |  
 
 | 
  Numbering of cylinders (from left to right)   |  1–2–3–4   |  
 
  Diameter of cylinders, mm   |  81.03   |  
 
  Piston stroke, mm   |    |  
 
 B18B1 
  | 88.90 |  
 
 | B18C1 and B18C5  | 87.12 |  
 
 | Working volume, cm3 (l)  |  |  
 
 B18B1 
  | 1835 (1.8) |  
 
 | B18C1 and B18C5  |  1803 (1.8)   |  
 
Arrangement of cylinders and direction of rotation of the distributor of ignition 
 
Camshaft 
 
 |   Characteristic  | 
   Value  | 
  
 
  Axial side play, mm   |   | 
  
 
     Nominal   |  0.051÷0.152   |  
 
     Limit admissible   |  0.508   |  
 
  Cam height in the plane of rise, mm   |    |  
 
     B18B1   |    |  
 
        Inlet   |  33.7160   |  
 
        Final   |  33.5280   |  
 
     B18C1   |    |  
 
        Inlet   |    |  
 
           Pervichye   |  33.4112   |  
 
           Intermediate   |  36.3779   |  
 
           Secondary   |  34.5465   |  
 
        Final   |    |  
 
           Pervichye   |  33.1114   |  
 
           Intermediate   |  35.7200   |  
 
           Secondary   |  34.3814   |  
 
     B18C5   |    |  
 
        Inlet   |    |  
 
           Pervichye   |  33.0886   |  
 
           Intermediate   |  35.9105   |  
 
           Secondary   |  34.7320   |  
 
        Final   |    |  
 
           Pervichye   |  32.7838   |  
 
           Intermediate   |  36.3322   |  
 
           Secondary   |  34.6913   |  
 
  Cross beating, mm   |    |  
 
     Nominal   |  0.025   |  
 
     Limit admissible   |  0.051   |  
 
  Working gap in bearings, mm   |    |  
 
 |    B18B1  |    |  
 
     Nominal   |  0.0305÷0.0686   |  
 
     Limit admissible   |  0.152   |  
 
 | B18C1 and B18C5  |    |  
 
     Nominal   |  0.0508÷0.0889   |  
 
     Limit admissible   |  0.152   |  
 
Oil pump  
 
 |   Characteristic  | 
   Value  | 
  
 
  Working gaps of gear wheels, mm   |   | 
  
 
     Axial gap of gear wheels   |   | 
  
 
        Nominal   |  0.025÷0.076   |  
 
        Limit admissible   |  0.152   |  
 
     Gap between tops of teeths of gear wheels   |    |  
 
        Nominal   |  0.051÷0.152   |  
 
        Limit admissible   |  0.203   |  
 
     Gap between an external gear wheel and walls of the case   |    |  
 
        Nominal   |  0.025÷0.076   |  
 
        Limit admissible   |  0.152   |  
 
Efforts of tightening of threaded connections, Nanometer  
 
 |   Characteristic  | 
   Value  | 
  
 
  Bolts of fastening of covers of bearings of the camshaft   |   | 
  
 
     B18B1   | 12.2 | 
  
 
     B18C1 and B18C5   |   | 
  
 
        Bolts on 6 mm   | 12.2 | 
  
 
        Bolts on 8 mm   | 27 | 
  
 
  Camshaft cogwheel bolts   |   | 
  
 
     B18B1   | 37 | 
  
 
     B18C1 and B18C5   | 56 | 
  
 
  Bolts of the sensor of fluctuations of a bent shaft   | 10.8 | 
  
 
  Bolt of a pulley of a bent shaft   | 176 | 
  
 
  Bolts of a head of cylinders   |   | 
  
 
     Stage 1   | 30 | 
  
 
     Stage 2   |   | 
  
 
        B18B1   | 83 | 
  
 
        B18C1 and B18C5   | 85 | 
  
 
  Bolts of fastening of a driving disk to a bent shaft   | 73 | 
  
 
  Bolts/nut of fastening of the inlet pipeline   | 23 | 
  
 
  Nuts of fastening of an air chamber of the inlet pipeline (B18C1)   | 23 | 
  
 
  Nuts of fastening of a final collector to a head of cylinders   |   31  | 
  
 
  Nuts of fastening of a reception pipe to a final collector   | 54 | 
  
 
  Bolts of the top cover of a final collector   | 23 | 
  
 
  Bolts of fastening of a flywheel to a bent shaft   | 103 | 
  
 
  Oxygen sensor (l-probe)   | 45 | 
  
 
  Bolts of a masloraspylitel   | 17.6 | 
  
 
  Oil pressure sensor switch   | 17.6 | 
  
 
  Bolts of fastening of a maslootrazhatelny plate of the pallet of a case   |   | 
  
 
     B18B1 and B18C1   | 10.8 | 
  
 
     B18C5   | 9.7 | 
  
 
  Drain stopper of the pallet of a case of the engine   | 45 | 
  
 
  Bolts of fastening of the pallet of a case to the engine   | 10.8 | 
  
 
  Nuts of fastening of a maslozaborny tube to a pump housing   |   | 
  
 
     B18B1 and B18C1   | 10.8 | 
  
 
     B18C5   | 9.7 | 
  
 
  Fastening of a maslozabornik of the oil pump to the bridge of covers of radical bearings   |   | 
  
 
     B18B1 and B18C1   | 10.8 | 
  
 
     B18C5   | 9.7 | 
  
 
  Bolts of fastening of the case of the oil pump to the engine   |   | 
  
 
     Bolts of 6 mm   |   | 
  
 
        B18B1 and B18C1   | 10.8 | 
  
 
        B18C5   | 9.7 | 
  
 
     Bolts of 8 mm   | 23 | 
  
 
  Fastening of a cover of the oil pump   |   | 
  
 
     1994 and 1995   | 5.4 | 
  
 
     since 1996   | 6.8 | 
  
 
  Stopper of the reducing valve of the oil pump   | 39 | 
  
 
  Bolts of the holder of a back epiploon of a bent shaft   | 10.8 | 
  
 
  Bolts of fastening of covers of a gas-distributing belt   | 9.7 | 
  
 
  Bolt of fastening of a natyazhitel of a gas-distributing belt   | 5.4 | 
  
 
  Nuts of fastening of a cover of a head of cylinders   | 9.7 | 
  
 
  Bolts of fastening of the electromagnetic valve of blocking of VTEC   | 11.8 | 
  
 
  Bolts of fastening of the water pump   | 11.8 | 
  
 
General and capital repairs of the engine 
Civic models  
General parameters  
 
 |   Characteristic  | 
   Value  | 
  
 
  Compression pressure in cylinders, kgf/cm2 
   |   | 
  
 
     Nominal   |   12.9  | 
  
 
     The minimum admissible   |   9.5  | 
  
 
  The maximum admissible difference between cylinders   |   2.0  | 
  
 
  Oil pressure (the engine is heated-up up to the normal working temperature), kgf/cm2 
   |   | 
  
 
     At single turns   | 0.7 | 
  
 
     With a frequency of rotation of the engine of 3000 rpm   | 3.5 | 
  
 
Engine block  
 
 |   Characteristic  | 
   Value  | 
  
 
  Diameter of cylinders, mm   |    |  
 
     Nominal   |  75.0011÷75.0189   |  
 
     Limit admissible   |  75.0697   |  
 
  Extreme admissible conicity of the cylinder, mm   |  0.051   |  
 
  Extreme admissible ovality of the cylinder, mm   |  0.051   |  
 
  Limit admissible excess of diameter of the cylinder, mm   |  0.510   |  
 
  Extreme admissible not planeness of the interfaced surface, mm   |  0.102   |  
 
Pistons and piston rings  
 
 |   Characteristic  | 
   Value  | 
  
 
  Diameter of pistons, mm   |  74.9808÷74.9910   |  
 
     Nominal   |  74.9706   |  
 
     Limit admissible   |  5.16   |  
 
  Height of a point of measurement of diameter from a cut of a skirt, mm   |    |  
 
  Gap of landing of the piston in the cylinder, mm   |    |  
 
     Nominal   |  0.0102÷0.0406   |  
 
     Limit admissible   |  0.051   |  
 
  Gap of landing of piston rings in flutes, mm   |    |  
 
     Top compression ring   |  0.0356÷0.0610   |  
 
        Nominal   |  0.127   |  
 
        Limit admissible   |    |  
 
     Second compression ring   |    |  
 
        Nominal   | 0.0305÷0.0559   |  
 
        Limit admissible   | 0.127   |  
 
  Gaps in locks of piston rings, mm   |  |  
 
     Top compression ring   |    |  
 
        Nominal   | 0.152÷0.305   |  
 
        Limit admissible   | 0.610   |  
 
     Second compression ring   |    |  
 
        Nominal   | 0.305÷0.457   |  
 
        Limit admissible   | 0.711   |  
 
     Oil scraper ring   |  |  
 
        Nominal   | 0.203÷0.711   |  
 
        Limit admissible   |   0.787  | 
  
 
Bent shaft and rods  
 
 |   Characteristic  | 
   Value  | 
  
 
  Axial side play, mm   |   | 
  
 
     Nominal   |  0.102÷0.356   |  
 
     Limit admissible   |  0.457   |  
 
  Necks of radical bearings   |    |  
 
     Diameter, mm   |  54.9758÷55.0012   |  
 
     Extreme admissible conicity, mm   |  0.0051   |  
 
     Extreme admissible ovality, mm   |  0.0051   |  
 
     Limit admissible beating, mm   |  0.051   |  
 
  Working gap in radical bearings, mm   |    |  
 
     Necks 1 and 5   |    |  
 
        Nominal   |  0.0178÷0.0356   |  
 
        Limit admissible   |  0.051   |  
 
     Necks 2, 3 and 4   |    |  
 
        Nominal   |  0.0229÷0.0432   |  
 
        Limit admissible   |  0.051   |  
 
  Necks of conrod bearings   |    |  
 
     Diameter, mm   |  44.9758÷45.0012   |  
 
     Extreme admissible conicity, mm   |  0.0051   |  
 
     Extreme admissible ovality, mm   |  0.0051   |  
 
     Limit admissible beating, mm   |  0.051   |  
 
  Working gap in conrod bearings, mm   |    |  
 
     Nominal   |  0.0203÷0.0381   |  
 
     Limit admissible   |  0.051   |  
 
  Side side play of rods, mm   |    |  
 
     Nominal   |  0.152÷0.305   |  
 
     Limit admissible   |  0.406   |  
 
Head of cylinders and valvate mechanism  
 
 |   Characteristic  | 
   Value  | 
  
 
  Extreme admissible not planeness of the interfaced surface of a head, mm   |   | 
  
 
     Without pro-point   |  0.051   |  
 
     Repair   |  0.203   |  
 
  Height of a head of cylinders, mm   |  92.939÷93.040   |  
 
  Tilt angle of a facet of valvate saddles   |  45 °   |  
 
  Tilt angle of a working facet of plates of valves   |  45 °   |  
 
  Width of a cylindrical part (corbel) of the forming plate surface of the valve, mm   |    |  
 
     Inlet valves   |  0.660   |  
 
     Final valves   |  0.940   |  
 
  Diameter of a core of the valve, mm   |    |  
 
     Inlet valves   |    |  
 
        Nominal   |  5.4788÷5.4889   |  
 
        Limit admissible   |  5.08   |  
 
     Final valves   |    |  
 
        Nominal   |  5.4508÷5.4610   |  
 
        Limit admissible   |  5.04   |  
 
  Internal diameter of the directing plugs of valves, mm   |    |  
 
     Nominal   |  5.512÷5.537   |  
 
     Limit admissible   |  5.563   |  
 
  Gap of landing of cores of valves in the directing plugs, mm   |    |  
 
     Inlet valves   |    |  
 
        Nominal   |  0.025÷0.051   |  
 
        Limit admissible   |  0.076   |  
 
     Final valves   |    |  
 
        Nominal   |  0.051÷0.076   |  
 
        Limit admissible   |  0.102   |  
 
  Adjusting height of cores of valves, mm   |    |  
 
     Nominal   |  53.162÷53.645   |  
 
     Limit admissible   |  53.899   |  
 
  Free length of valvate springs, mm   |    |  
 
     D16Y7   |  57.91   |  
 
     D16Y5   |    |  
 
        Inlet valves   |  56.39   |  
 
        Final valves   |  57.91   |  
 
     D16Y8   |    |  
 
        Inlet valves   |  57.91   |  
 
        Final valves   |  58.67   |  
 
Efforts of tightening of threaded connections, Nanometer  
 
 |   Connection type  | 
   Value  | 
  
 
  Bolts of covers of radical bearings   |   | 
  
 
     Stage 1   |   24  | 
  
 
     Stage 2   |   52  | 
  
 
  Nuts of covers of the lower heads of rods   |   31  | 
  
 
* See also Specifications to Repair without extraction from the car – the Civic model.  
Integra models 
General parameters  
 
 |   Characteristic  | 
   Value  | 
  
 
  Compression pressure in cylinders, kgf/cm2 
   |   | 
  
 
 |    B18B1  |   | 
  
 
        Nominal   |   13.9  | 
  
 
        The minimum admissible   |   9.8  | 
  
 
  The maximum admissible difference between cylinders   |   2.0  | 
  
 
 |    B18C1 and B18C5  |   | 
  
 
        Nominal   | 18.9 | 
  
 
        The minimum admissible   | 9.8 | 
  
 
 The maximum admissible difference between cylinders 
  | 2.0 | 
  
 
  Oil pressure (the engine is heated-up up to the normal working temperature), kgf/cm2 
   |   | 
  
 
     At single turns   | 0.7 | 
  
 
     With a frequency of rotation of the engine of 3000 rpm   | 3.5 | 
  
 
Engine block  
 
 |   Characteristic  | 
   Value  | 
  
 
  Diameter of cylinders, mm   |  |  
 
     Nominal   | 81.001÷81.026 |  
 
     Limit admissible   | 87.077  |  
 
  Extreme admissible conicity of the cylinder, mm   | 0.051 |  
 
  Extreme admissible ovality of the cylinder, mm   | 0.051 |  
 
  Limit admissible excess of diameter of the cylinder, mm   | 0.254  |  
 
  Extreme admissible not planeness of the interfaced surface, mm   | 0.102  |  
 
Pistons and piston rings  
 
 |   Characteristic  | 
   Value  | 
  
 
  Diameter of pistons, mm   |    |  
 
     Nominal   | 80.975÷81.001   |  
 
     Limit admissible   | 80.975   |  
 
  Height of a point of measurement of diameter from a cut of a skirt, mm   | 15.8   |  
 
  Gap of landing of the piston in the cylinder, mm   |    |  
 
     Nominal   | 0.0102÷0.0406   |  
 
     Limit admissible   | 0.051   |  
 
  Gap of landing of piston rings in flutes, mm   |    |  
 
     Top compression ring   |    |  
 
        Nominal   | 0.0457÷0.0711   |  
 
        Limit admissible   | 0.127   |  
 
     Second compression ring   |    |  
 
       B18B1 (Riken) 
  |  0.0406÷0.0660   |  
 
 |       B18B1 (Teikoku)  |  0.0457÷0.0711   |  
 
 |       B18C1 and B18C5  |    |  
 
           Nominal   |  0.0457÷0.0711   |  
 
           Limit admissible   |  0.127   |  
 
  Gaps in locks of piston rings, mm   |    |  
 
     Top compression ring   |    |  
 
       B18B1 (Riken) 
  |  0.203÷0.356   |  
 
 |       B18B1 (Teikoku)  |  0.203÷0.305   |  
 
 |       B18C1 and B18C5  |    |  
 
           Nominal   |  0.203÷0.356   |  
 
           Limit admissible   |  0.610   |  
 
     Second compression ring   |    |  
 
        Nominal   |  0.406÷0.559   |  
 
        Limit admissible   |  0.711   |  
 
     Oil scraper ring   |    |  
 
       B18B1 (Riken) 
  |  0.203÷0.508   |  
 
 |       B18B1 (Teikoku)  |  0.203÷0.457   |  
 
 |       B18C1 and B18C5  |    |  
 
           Nominal   |  0.203÷0.508   |  
 
           Limit admissible   |  0.711   |  
 
Bent shaft and rods  
 
 |   Characteristic  | 
   Value  | 
  
 
  Axial side play, mm   |   | 
  
 
     Nominal   |  0.102÷0.356   |  
 
     Limit admissible   |  0.457   |  
 
  Necks of radical bearings   |    |  
 
     Diameter, mm   |  54.9758÷55.0012   |  
 
 |       No. No. 1, 2, 4 and 5  |  |  
 
 |       No. 3  |  |  
 
 |          B18B1  |  |  
 
 |          B18C1 and B18C5  |  |  
 
     Extreme admissible conicity, mm   |  0.0051   |  
 
     Extreme admissible ovality, mm   |  0.0051   |  
 
     Limit admissible beating, mm   |  0.051   |  
 
  Working gap in radical bearings, mm   |    |  
 
     Necks 1, 2, 4 and 5   |    |  
 
        Nominal   |  0.0178÷0.0356   |  
 
        Limit admissible   |  0.051   |  
 
     Neck No. 3   |    |  
 
        Nominal   |  0.0229÷0.0432   |  
 
        Limit admissible   |  0.051   |  
 
  Necks of conrod bearings   |    |  
 
     Diameter, mm   |  44.9758÷45.0012   |  
 
     Extreme admissible conicity, mm   |  0.0051   |  
 
     Extreme admissible ovality, mm   |  0.0051   |  
 
     Limit admissible beating, mm   |  0.051   |  
 
  Working gap in conrod bearings, mm   |    |  
 
 |    B18B1  |  |  
 
        Nominal   |  0.0203÷0.0381   |  
 
        Limit admissible   |  0.051   |  
 
 |    B18C1 and B18C5  |  |  
 
        Nominal   |  |  
 
        Limit admissible   |  |  
 
  Side side play of rods, mm   |    |  
 
     Nominal   |  0.152÷0.305   |  
 
     Limit admissible   |  0.406   |  
 
Head of cylinders and valvate mechanism  
 
 |   Characteristic  | 
   Value  | 
  
 
  Extreme admissible not planeness of the interfaced surface of a head, mm   |   | 
  
 
     Without pro-point   |  0.051   |  
 
     Repair   |  0.203   |  
 
  Height of a head of cylinders, mm   |  92.939÷93.040   |  
 
  Tilt angle of a facet of valvate saddles   |  45 °   |  
 
  Tilt angle of a working facet of plates of valves   |  45 °   |  
 
  Width of a cylindrical part (corbel) of the forming plate surface of the valve, mm   |    |  
 
     Inlet valves   |  1.143   |  
 
     Final valves   |  1.448   |  
 
  Diameter of a core of the valve, mm   |    |  
 
 |    B18B1  |    |  
 
        Inlet valves   |    |  
 
           Nominal   |  6.5811÷6.5888   |  
 
           Limit admissible   |  6.553   |  
 
        Final valves   |    |  
 
           Nominal   |  6.5507÷6.5608   |  
 
           Limit admissible   |  6.528   |  
 
 |    B18C1 and B18C5  |    |  
 
        Inlet valves   |    |  
 
           Nominal   |  5.4762÷5.4839   |  
 
           Limit admissible   |  5.58   |  
 
        Final valves   |    |  
 
           Nominal   |  5.4508÷5.4610   |  
 
           Limit admissible   |  5.04   |  
 
  Internal diameter of the directing plugs of valves, mm   |    |  
 
 |    B18B1  |    |  
 
        Nominal   |  6.6046.629   |  
 
        Limit admissible   |  6.655   |  
 
 |    B18C1 and B18C5  |    |  
 
        Nominal   |  5.512÷5.537   |  
 
        Limit admissible   |  5.563   |  
 
  Gap of landing of cores of valves in the directing plugs, mm   |    |  
 
     Inlet valves   |    |  
 
        Nominal   |  0.025÷0.051   |  
 
        Limit admissible   |  0.076   |  
 
     Final valves   |    |  
 
        Nominal   |  0.051÷0.076   |  
 
        Limit admissible   |  0.102   |  
 
  Adjusting height of cores of valves, mm   |    |  
 
 |    B18B1  |    |  
 
 |       Inlet valves  |    |  
 
           Nominal   |  40.7645÷41.2344   |  
 
           Limit admissible   |  41.2344   |  
 
 |       Inlet valves  |    |  
 
           Nominal   |  42.7660÷43.2369   |  
 
           Limit admissible   |  43.4848   |  
 
 |    B18C1 and B18C5  |    |  
 
 |       Inlet valves  |    |  
 
           Nominal   |  37.4650÷37.9349   |  
 
           Limit admissible   |  38.1838   |  
 
 |       Inlet valves  |    |  
 
           Nominal   |  37.1653÷37.6352   |  
 
           Limit admissible   |  37.8841   |  
 
  Free length of valvate springs, mm   |    |  
 
    B18B1   |    |  
 
        Inlet valves   |  42.367   |  
 
        Final valves   |  47.092   |  
 
    B18C1   |    |  
 
        Inlet valves   |    |  
 
 |          External  |  41.046   |  
 
 |          Nihon Hatsujo  |  36.170   |  
 
 |          Chuo Hatsujo  |  36.195   |  
 
 |        Final valves  |    |  
 
 |          Nihon Hatsujo  |  41.961   |  
 
 |          Chuo Hatsujo  |  41.935   |  
 
 |   B18C5  |    |  
 
        Inlet valves   |    |  
 
 |          External  |  43.180   |  
 
 |          Internal  |  36.830   |  
 
 |      Final valves  |    |  
 
 |          External  |  41.046   |  
 
 |          Internal  |  36.170   |  
 
Efforts of tightening of threaded connections, Nanometer  
 
 |   Connection type  | 
   Value  | 
  
 
  Bolts of covers of radical bearings   |   | 
  
 
     Stage 1   |   30  | 
  
 
     Stage 2   |   | 
  
 
        B18B1   | 76 | 
  
 
        B18C1 and B18C5   |   | 
  
 
           Covers No. No. 1 and 5   | 76 | 
  
 
           Covers No. No. 2, 3 and 4   | 65 | 
  
 
  Nuts of covers of the lower heads of rods   |   | 
  
 
     Stage 1   | 19 | 
  
 
     Stage 2   |   | 
  
 
        B18B1   | 31 | 
  
 
        B18C1 and B18C5   |   45  | 
  
 
  * See also Specifications to Repair without extraction from the car – the Integra model.  | 
  
  
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