2nd Generation NSX Standards and Service Limits

Honda NSX [NC1] (JNC1) 2017

  1. Ichiban
    Difficulty Level:
     
    Basic

    Standards and Service Limits
    Engine Electrical


    Item

    Measurement

    Qualification

    Standard or New

    Service Limit

    Ignition coil

    Firing order

    1-4-2-5-3-6

    Spark plug

    Gap

    0.65-0.70 mm (0.0256-0.0276 in)


    Ignition timing

    At idle
    Check the red mark

    In N or P

    5±5 °BTDC

    Engine Assembly


    Item

    Measurement

    Qualification

    Standard or New

    Service Limit

    Compression

    Pressure

    Minimum


    930 kPa (9.48 kgf/cm2, 134.8 psi)

    Maximum variation


    200 kPa (2.04 kgf/cm2, 29.0 psi)

    Cylinder Head


    Item

    Measurement

    Qualification

    Standard or New

    Service Limit

    Head

    Warpage

    0.03 mm (0.0012 in) max.


    Height

    137.95-138.05 mm (5.4311-5.4350 in)


    Camshaft

    End play

    0.05-0.20 mm (0.0020-0.0079 in)

    0.40 mm (0.0157 in)

    Camshaft-to-holder oil clearance

    No. 1 journal

    0.030-0.058 mm (0.00118-0.00228 in)

    0.150 mm (0.00591 in)

    No. 2, 3, 4 journals

    0.060-0.088 mm (0.00236-0.00346 in)

    0.150 mm (0.00591 in)

    Total runout

    0.03 mm (0.0012 in) max.


    Cam lobe height

    Intake

    38.356 mm (1.51008 in)


    Exhaust

    38.133 mm (1.50130 in)


    Valve

    Clearance (cold)

    Intake

    0.18-0.22 mm (0.0071-0.0087 in)


    Exhaust

    0.23-0.27 mm (0.0091-0.0106 in)


    Stem O.D.

    Intake

    5.470-5.485 mm (0.21535-0.21594 in)

    5.455 mm (0.21476 in)

    Exhaust

    5.445-5.460 mm (0.21437-0.21496 in)

    5.420 mm (0.21339 in)

    Stem-to-guide clearance

    Intake

    0.03-0.06 mm (0.0012-0.0024 in)

    0.08 mm (0.0031 in)

    Exhaust

    0.055-0.085 mm (0.00217-0.00335 in)

    0.11 mm (0.0043 in)

    Valve seat

    Width

    Intake

    1.25-1.55 mm (0.0492-0.0610 in)

    1.85 mm (0.0728 in)

    Exhaust

    1.25-1.55 mm (0.0492-0.0610 in)

    1.90 mm (0.0748 in)

    Stem installed height

    Intake

    44.02-44.72 mm (1.7331-1.7606 in)

    44.82 mm (1.7646 in)

    Exhaust

    44.03-44.73 mm (1.7335-1.7610 in)

    44.83 mm (1.7650 in)

    Valve guide

    Installed height

    Intake

    16.45-16.55 mm (0.6476-0.6516 in)


    Exhaust

    17.45-17.55 mm (0.6870-0.6909 in)


    Engine Block


    Item

    Measurement

    Qualification

    Standard or New

    Service Limit

    Block

    Warpage of deck

    0.07 mm (0.0028 in) max.


    Bore diameter

    91.00-91.01 mm (3.5827-3.5831 in)

    91.060 mm (3.58503 in)

    Bore taper


    0.050 mm (0.00197 in)

    Piston

    Skirt O.D. at 14 mm (0.55 in) from bottom of skirt

    90.964-90.974 mm (3.58125-3.58165 in)

    90.924 mm (3.57968 in)

    Clearance in cylinder

    0.026-0.046 mm (0.00102-0.00181 in)

    0.086 mm (0.00339 in)

    Piston ring

    Ring-to-groove clearance

    Top

    0.045-0.080 mm (0.00177-0.00315 in)

    0.11 mm (0.0043 in)

    Second

    0.030-0.065 mm (0.00118-0.00256 in)

    0.095 mm (0.00374 in)

    Ring end gap

    Top

    0.20-0.25 mm (0.0079-0.0098 in)

    0.3 mm (0.012 in)

    Second

    0.30-0.42 mm (0.0118-0.0165 in)

    0.47 mm (0.0185 in)

    Oil

    0.2-0.5 mm (0.008-0.020 in)

    0.55 mm (0.0217 in)

    Piston pin

    O.D.

    23.961-23.965 mm (0.94334-0.94350 in)

    23.961 mm (0.94334 in)

    Pin-to-piston clearance

    0.001-0.005 mm (0.00004-0.00020 in)

    0.005 mm (0.00020 in)

    Connecting rod

    Pin-to-rod clearance

    0.004-0.007 mm (0.00016-0.00028 in)

    0.007 mm (0.00028 in)

    Big end bore diameter

    60 mm (2.36 in)


    End play

    0.15-0.35 mm (0.0059-0.0138 in)

    0.35 mm (0.0138 in)

    Crankshaft

    Rod/main journal taper

    0.005 mm (0.00020 in) max.

    0.006 mm (0.00024 in)

    Rod/main journal out-of-round

    0.005 mm (0.00020 in) max.

    0.005 mm (0.00020 in)

    End play

    0.20-0.25 mm (0.0079-0.0098 in)

    0.25 mm (0.0098 in)

    Total runout

    0.025 mm (0.00098 in) max.

    0.03 mm (0.0012 in)

    Crankshaft bearing

    Main bearing-to-journal oil clearance

    0.036-0.050 mm (0.00142-0.00197 in)

    0.060 mm (0.00236 in)

    Connecting rod bearing-to-journal oil clearance

    0.020-0.044 mm (0.00079-0.00173 in)


    Engine Lubrication


    Item

    Measurement

    Qualification

    Standard or New

    Service Limit

    Engine oil

    Capacity

    Engine overhaul

    9.8 L (10.4 US qt, 8.6 lmp qt)


    Oil change including filter

    7.9 L (8.3 US qt, 7.0 lmp qt)


    Oil change without filter

    7.3 L (7.7 US qt, 6.4 lmp qt)


    Oil pump

    Inner rotor-to-outer rotor radial clearance

    0.060-0.160 mm (0.00236-0.00630 in)

    0.160 mm (0.00630 in)

    Pump housing-to-outer rotor radial clearance

    0.150-0.210 mm (0.00591-0.00827 in)

    0.210 mm (0.00827 in)

    Oil pressure with oil temperature at 80 °C (176 °F)

    At idle

    200 kPa (2.03 kgf/cm2, 29.0 psi) min.


    At 2,500 min-1 (rpm)

    580 kPa (5.91 kgf/cm2, 84.1 psi) min.


    Cooling System


    Item

    Measurement

    Qualification

    Standard or New

    Service Limit

    Radiator

    Coolant capacities (including engine, heater, hoses, and expansion tank)

    Engine overhaul

    20.4 L (5.39 US gal, 4.49 lmp gal)


    Coolant change

    15.5 L (4.09 US gal, 3.41 lmp gal)


    Coolant type

    Honda/Acura All Season Antifreeze/Coolant Type 2

    Expansion tank

    Coolant capacity

    1.3 L (0.34 US gal, 0.29 lmp gal)


    Expansion tank cap

    Opening pressure

    93-123 kPa (0.95-1.25 kgf/cm2, 13.5-17.8 psi)


    Thermostat

    Opening temperature

    Begins to open

    76-80 °C (169-176 °F)


    Fully open

    90 °C (194 °F)


    Valve lift at fully open

    10.0 mm (0.394 in) min.


    Fuel and Emissions


    Item

    Measurement

    Qualification

    Standard or New

    Service Limit

    Fuel pressure regulator

    Pressure with fuel pressure gauge connected (direct injection)

    450-480 kPa (4.59-4.89 kgf/cm2, 65.3-69.6 psi)


    Pressure with fuel pressure gauge connected (port injection)

    347-390 kPa (3.54-3.98 kgf/cm2, 50.3-56.6 psi)


    Engine idle

    Idle speed without load

    In N or P

    1,050 ± 50 min-1 (rpm)

    Idle speed with high electrical load

    In N or P

    1,050 ± 50 min-1 (rpm)

    Idle CO

    0.1 % max.

    Electric Powertrain


    Item

    Measurement

    Qualification

    Standard or New

    Service Limit

    Radiator

    Coolant capacities (including motor, MPI, hoses, and reservoir)

    Overhaul

    2.40 L (0.634 US gal, 0.528 lmp gal)


    Coolant change

    1.90 L (0.502 US gal, 0.418 lmp gal)


    Coolant type

    Honda/Acura All Season Antifreeze/Coolant Type 2

    Coolant reservoir

    Coolant capacity

    0.46 L (0.122 US gal, 0.101 lmp gal)


    Radiator cap

    Opening pressure

    34.3-63.7 kPa (0.350-0.650 kgf/cm2, 4.98-9.24 psi)


    Dual Clutch Transmission and Differential


    Item

    Measurement

    Qualification

    Standard or New

    Service Limit

    Transmission fluid

    Capacity

    Fluid change

    4.6 L (4.9 US qt, 4.0 lmp qt)


    Overhaul

    7.5 L (7.9 US qt, 6.6 lmp qt)


    Fluid type

    Honda/Acura Gear Oil GO Type-2.0

    Clutch fluid (transmission side)

    Capacity

    Fluid change

    2.6 L (2.7 US qt, 2.3 lmp qt)


    Overhaul

    4.5 L (4.8 US qt, 4.0 lmp qt)


    Fluid type

    Honda/Acura ATF DW-1

    Clutch fluid (dual clutch control actuator side)

    Fluid type

    Honda/Acura ATF DW-1

    Hydraulic pressure

    ATF line pressure (low)

    At idle in N

    0 kPa (0 kgf/cm2, 0 psi)


    ATF line pressure (high)

    At brake pedal and accelerator pedal fully pressed

    441 kPa (4.50 kgf/cm2, 64.0 psi)


    Gear oil lubrication pressure

    At 120 km/h (75 mph) over in D

    78 kPa (0.80 kgf/cm2, 11.3 psi)


    Mainshaft

    Axial clearance

    0.22-0.31 mm (0.0087-0.0122 in)

    Adjust

    9th gear

    0.01-0.10 mm (0.0004-0.0039 in)

    Adjust

    Countershaft

    Axial clearance

    0.22-0.31 mm (0.0087-0.0122 in)

    Adjust

    8th gear

    0.01-0.10 mm (0.0004-0.0039 in)

    Adjust

    Secondary shaft

    Axial clearance

    0.22-0.31 mm (0.0087-0.0122 in)

    Adjust

    8th gear

    0.01-0.10 mm (0.0004-0.0039 in)

    Adjust

    Idle shaft

    Axial clearance

    0.10-0.19 mm (0.0039-0.0075 in)

    Adjust

    Synchro ring

    Ring-to-dog clearance
    (reverse gear)

    0.55-1.09 mm (0.0217-0.0429 in)


    Ring-to-dog clearance
    (2nd-5th gear)

    1.15-1.76 mm (0.0453-0.0693 in)


    Ring-to-dog clearance
    (6th-9th gear)

    1.05-1.59 mm (0.0413-0.0626 in)


    Front Differential


    Item

    Measurement

    Qualification

    Standard or New

    Service Limit

    Twin motor unit fluid

    Capacity

    Fluid change

    2.42 L (2.56 US qt, 2.13 lmp qt)


    Overhaul

    3.4 L (3.6 US qt, 3.0 lmp qt)


    Fluid type

    Honda/Acura ATF DW-1

    Steering


    Item

    Measurement

    Qualification

    Standard or New

    Service Limit

    Steering wheel

    Rotational play measured at outside edge

    0-10 mm (0-0.39 in)


    Initial turning load measured at outside edge with engine running

    34 N (3.5 kgf, 7.7 lbf) max.


    Suspension


    Item

    Measurement

    Qualification

    Standard or New

    Service Limit

    Wheel alignment

    Camber

    Front

    -0.50 ° ± 0.1 °

    Rear

    -1.50 ° ± 0.2 °

    Caster

    Front

    7.2 ° ± 0.2 °

    Individual toe-in

    Front

    0.04 ° ± 0.04 °

    Rear

    0.16 ° ± 0.04 °

    Front wheel turning angle

    Inward

    33.9 ° ± 1 °

    Outward (reference)

    27.9 ° ± 1 °

    Wheel

    Runout

    Axial

    0-0.3 mm (0-0.012 in)

    2.0 mm (0.079 in)

    Radial

    0-0.3 mm (0-0.012 in)

    1.5 mm (0.059 in)

    Wheel bearing

    End play

    Front

    0-0.05 mm (0-0.0020 in)


    Rear

    0-0.05 mm (0-0.0020 in)


    Brakes


    Item

    Measurement

    Qualification

    Standard or New

    Service Limit

    Brake pedal (LHD)

    Height from floor
    (without sport pedal)

    160 ± 5 mm (6.30 ± 0.20 in)

    Height from floor (with sport pedal)

    165 ± 5 mm (6.50 ± 0.20 in)

    Free play

    0.4-3.0 mm (0.016-0.118 in)


    Brake pedal (RHD)

    Height from floor
    (without sport pedal)

    156 ± 5 mm (6.14 ± 0.20 in)

    Height from floor (with sport pedal)

    161 ± 5 mm (6.34 ± 0.20 in)

    Free play

    0.4-3.0 mm (0.016-0.118 in)


    Brake disc

    Thickness
    (without carbon ceramic brakes)

    Front

    34.0 mm (1.339 in)

    32.0 mm (1.260 in)

    Rear

    32.0 mm (1.260 in)

    30.0 mm (1.181 in)

    Thickness
    (with carbon ceramic brakes)

    Front

    34.0 mm (1.339 in)

    33.5 mm (1.319 in)

    Rear

    32.0 mm (1.260 in)

    31.5 mm (1.240 in)

    Brake pad

    Thickness
    (without carbon ceramic brakes)

    Front

    10.5 mm (0.413 in)

    2.9 mm (0.114 in)

    Rear

    8.8 mm (0.346 in)

    2.9 mm (0.114 in)

    Thickness
    (with carbon ceramic brakes)

    Front

    10.3 mm (0.406 in)

    2.4 mm (0.094 in)

    Rear

    9.5 mm (0.374 in)

    2.4 mm (0.094 in)

    Thickness (electric parking brake)

    5.3 mm (0.209 in)

    1.5 mm (0.059 in)

    Brake fluid

    Fluid type

    Brake Fluid DOT4

    Air Conditioning


    Item

    Measurement

    Qualification

    Standard or New

    Service Limit

    Refrigerant (except KE, KG)

    Type

    HFC-134a (R-134a)

    Capacity of system

    455-505 g (16.05-17.81 oz)


    Refrigerant (KE, KG)

    Type

    HFO-1234yf (R-1234yf)

    Capacity of system

    405-455 g (14.29-16.05 oz)


    Refrigerant oil

    Type

    DENSO ND-OIL 11 (POE oil: P/N 38899-TX9-003)

    Capacity of components

    Condenser (including dryer desiccant)

    25 mL (5/6 fl oz, 0.88 Imp oz)

    Evaporator

    35 mL (1 1/6 fl oz, 1.23 Imp oz)

    Each line and hose

    10 mL (1/3 fl oz, 0.35 Imp oz)

    Dryer desiccant

    10 mL (1/3 fl oz, 0.35 Imp oz)

    Compressor
    (R-134a)

    110-125 mL (3 2/3-4 1/6 fl oz, 3.87-4.40 Imp oz)

    Compressor
    (R-1234yf)

    100-115 mL (3 1/3-3 5/6 fl oz, 3.52-4.05 Imp oz)