1994 MAZDA MX-5 technical data

TECHNICAL DATA K. AUTOMATIC TRANSMISSION tem Transmission ;ear ratio NC4A-EL 4utomatic trans- nission fluid :ATF) 3il pump Drum support Direct clutch Forth gear plan- etary gear unit Front clutch Rear clutch Front planetary gear unit Rear planetary gear unit Low and reverse brake Oil distributor First Second Third Fourth Reverse TY pe Capacity L {US qt, Imp qt) Body clearance Standard mm {in) -Maximum Tip clearance Standard mm {in) Maximum Side clearance Standard mm {in) Maximum Seal ring and groove clear- Standard ance mm {in) Maximum Side plate clearance mm {in) Side plate size mm{in) End play mm {in) Bearing race size mm {in) Standard Pinion clearance mm {in) Maximum Total end play mm {in) Bearing race size mm (in) Retaining plate clearance mm {in) Retaining plate size mm {in) End play mm (in) Bearing race size mm {in) Retaining plate clearance mm {in) Retaining plate size mm {in) Total end play mm {in) Bearing race site mm {in) Standard Pinion clearance rnm {in) Maximum Standard Pinion clearance mm {in) Maximum Retaining plate clearance mm {in) Retaining plate size mm {in) Seal ring to groove Standard clearance mm {in) Maximum Valve spring specification 2.458 1.458 1 .OOO 0.720 2.1 82 ~exron~ll or M-Ill 7.3 {7.7, 6.4) 0.02-0.04 {0.000&0.0015) 0.08 (0.0031) 0.14--0.21 IO.0056--0.0082) 0.25 {0.0098) 0.05-0.20 {0.0020--0.0078) 0.25 {0.0098) 0.04-0.1 6 {0.0016--0.0062) - - 0.40 {0.0157) 0.2 {0.008) 0.4{0.016),0.6{0.024},0.8{0.031),1.0{0.039),1.2{0.047) 0.5-0.8 {0.020--0.031) 0.8 {0.031), 1 .O {0.039}, 1.2 (0.0471, 1.4 {0.055), 1.6 {0.063), 1.8 {0.071), 2.0 {0.079), 2.2 {0.087) 0.2-0.7 {0.008-0.028) 0.8 {0.031} 0.254.50 {0.0099-0.0196) 1.2 {0.047}, 1.4 (0.0551, 1.6 {0.063), 1.8 {0.071), 2.0 {0.079), 2.2 {0.087) 0.9-1.1 {0.036-4.043) 5.8 {0.228),6.0 (0.2361, 6.2 (0.2443, 6.4 (0.2521, 6.6 {0.260), 6.8 {0.268),7.0 {0.276) 0.5-4.8 {0.020-0.031) 0.8 {0.031), 1.0 {0.039), 1.2 {0.047), 1.4 {0.055}, 1.6 (0.063), 1.8 {0.071}, 2.0 (0.079), 2.2 (0.087) 0.-1 .O iO.032-0.039) 6.2 {O.244},6.4 {O.252}, 6.6 (0.2601, 6.8 (0.2681, 7.0 {0.276), 7.2 {0.283), 7.6 (0.299) 0.25-0.50 {0.0099--0.0196} 1.2 {0.047}, 1.4 {0.055), 1.6 {0.063), 1.8 {0.071), 2.0 {0.079}, 2.2 I0.087) 0.2-0.7 {0.008--0.027) 0.8 (0.031j 0.2-0.7 {0.00&0.027) 0.8 {0.031} 0.8-1.05 {0.031-0.041) 11.8 I0.4651, 12.0 {0.472}, 12.2 {0.480}, 12.4 {0.488}, 12.6 {0.496}, 12.8 (0.504) 0.04--0.16 (0.001 6--0.0062) 0.40 {0.0157) Control valve . . 11.7 (0.461) 7.4 (0,291 ) 10.0 (0.394) 7.5 (0.295) Pressure regulator 1-2 shift - 2-3 shift 3-4 shift Wire dia. mm fin) Outer dia. mm fin) . . 43.0 (1.693) 26.4 (1 .039) 50.0 (1.969) 40.2 (1.563) Free length mm (in of coils 13.0 9.6 13.7 15.0 -. 1.2 (0.047) 0.7 (0.026) 1 .O (0.039) 0.8 (0.031 ) Gartner Banana

TECHNICAL DATA Mode NOR- MAL 4 POWER - Transmission Item _5 Valve spring specification . , Throttle condition NC4A-EL Control valve Oil pump Drum support Band servo Wide open throttle Outer dia. mm {in) 9.2 (0.362) 6.7 {0.264) 9.0 (0.354) 7.4 (0.291) 8.5 (0.335) 5.5 (0.21 7) 5.0 (0.1971 9.4 (0.370) 11.2 i0.441) 8.9 (0.350) 9.3 (0.366) 6.5 (0.256) 5.5 {0.217) 16.0 (0.630) 27.7 {I .092) 28.25 (1.11 2) 8.0 (0.31 5) - 7.2 (0.283) Half throttle Direct, front, and rear clutches Low and reverse brake Parking rod Shift point (shift s~eed) Pressure modifier - - -- Closed throttle position Kickdown (Wide open throttle) Free length rnm {in) 19.8 (0.780) 17.5 (0.689) 17.5 (0.689) 14.5 (0.571) 21.3 (0.839) 39.5 {I .555) 15.5 {0.610} 19.5 (0.768) 62.0 (2.441) 82.5 (3.248) 43.4 {I .709) 26.8 11.055) 25.7 (1.012) 40.4 (1.591) 47.0 {I .850) 38.7 {I .52) 30.5 {I .20) 5.9-6.2 (0.2324.244) 32.0 {I .260) Throttle backup Wide open throttle Half throttle Small Large Closed throttle position No. of coils 5.3 7.4 5.2 5.0 7.3 24.4 12.0 5.0 21.3 29.7 22.0 14.0 16.5 9.8 14.0 5.4 14.5 - 14.0 N-R reducing Backup control 3-2 control Orifice check 1-2 reducing 1-2 accumulator N-W2-3 accumulator N-D accumulator Throttle relief (ball) Lockup control Fourth gear accumulator Fourth gear 2nd Kickdown (Wide open throttle) Wire dia. mm {in) 0.7 (0.028) 0.7 (0.028) 0.9 (0.035) 0.6 (0.024) 0.9 (0.035) 0.65 (0.026) 0.23 {0.009) 0.8 (0.031) 1.2 t0.047) 1.1 (0.043) 1.4 (0.055) 0.9 (0.035) 0.7 (0.028) 2.6 {0.102) 3.5 (0.1 38) 3.5 (0.1 38) 1.3 (0.051) - 0.7 (0.028) d Shift I D1-+D2 I D2+D3 D3 lockup ON D3+D4 b-+D2 - Vehicle speed kmlh (mph) 58-64 (36-39) 1 OQ108 (62-46) 9&106 (61-65) 152-1 62 (9%100) 3346 (21 -28) D2-*D3 '33434 D4 lockup ON D4-+b 0i-t~~ D2*D3 03 lockup ON D3-D4 58-76 (36-47) 82-1 1 0 (5 1-48} 74-1 00 (46--62) 28-34 (1 7-21 ) 44--55 {2&34) 90-1 08 (5666) 9&106 (61-65) 14-1 64 (87-1 01) Gartner Banana

TECHNICAL DATA :em - ange - D - S Transmission Mode NC4A-EL HOLD - POWER HOLD POWER HOLD -ine pressure Vehicle speed kmlh {mph) 27-33 {I 7-20) 3545 {22-27) 152-1 58 (94-97) 12-1 8 (8-1 1) 95-1 05 {59--65) 5-4 (36--39) 1 OO--108 {62--66) 98-1 05 (6 145) 44-55 {28--34) 9&108 {56--67) 94--106 {58--66) 11-17 (7-10) 92-1 00 (5742) 4248 (2629) 99--105 {61-65) 95-1 05 (59-45) 56-62 {35-38) 44-55 (27-34) 96-104 {60-64) 11-17 {7-10) 99-1 05 {61--65) 4248 {26-29) 3541 (21-25) 95--105 (59-65) 775-970 {7.9-9.9, 11 3-1 40) 1,972-2,167 l20.1-22.1,286--314) 285-362 {2.9-3.7,42-52) 795-91 2 (8.1-9.3, 11 61 32) 785-921 (8.G9.4, 114-1 33) 79S912 {8.1-9.3, 116--132) 29!5-392 {3.0-4.0,43-56) 883-1,078 I9.0-11 .O, 128-1 56) 2.1 00-2,500 Throttle condition All positions Wide open throttle Half throttle Closed throttle position Kickdown (Wide open throttle) All positions Wide open throttle Half throttle Closed throttle position Kickdown (Wide open throttle) All positions R range kPa {kgf/cm2, psi) D range kPa {kgf/cm2, psi) S range kPa {kgf/cm2, psi) L range kPa {kgf/cm2, psi) I Shift Dl432 D2-'D3 D443 D3+D1 DS lockup ON s142 s2+s3 S3 lockup ON S142 S2-'s3 S3 lockup ON S3+S1 s3-'s2 s241 s3+s2 S3 lockup ON Ld-2 L14-2 L3+L2 L241 L3-'L2 L2-4-1 L241 L3 lockup ON Idle Stall Idle Stall Idle Stall Idle Stall r~m L. PROPELLER SHAFT Adjusting rod length mm {in) 29.0 {I .14) 29.5 {I. 16) 29.75 (1.1 7) 30.0 {I .18) 30.5 (1.20) 31 .O (1.22) 0.5-0.6 0.75-0.85 'ngine stall speeo Item Max. permissible run-out mm {in) lacuum dia- thragm Time lag Specification 0.4 {0.016) Clearance between body and throttle valve mm {in) Below 25.65 {I ,0099) 25.65-25.15 {I .0099-1.0295) 25.90-26.40 {I ,0197-1.0394) 26.1 5-26.65 (1.0295-1.0492) 26.65--27.15 {I .0492-1.0669) 27.1 5 {1.0689} or over N - D sec. N-R sec. L-' Gartner Banana

TECHNICAL DATA --- M. FRONT AND REAR AXLES Specifications TY pe Bearing Angular ball bearing 0.05 10.002) Front axle Rear axle - Wheel bearing play mm {in) I Maximum Bearina Anaular ball bearina . .. Wheel bearina plav mm {in) I Maximum " " 0.05 {0.002) 'TORSEN" LSD I Standard TY pe Reduction aear Hvpoid sear Reduction ratio Differential aear 4.100 Worm near ("1ORSEN"LSD) I Straiaht-bevel gear - - Ring gear size mm {in) 1 Grade 182.88 17.201 API service GL-5 Oil 1 Viscosity Above -18°C {O°F): SAE 90 Below -18°C {O°F): SAE 80W Differential Capacity L {US at. Imp at) Locknut tightening torque: 128-284 N.m {I 3-29 kgf.m, 94.1-209.7 ft.lbf) Drive pinion preload (without oil seal) TORSEN" is a Backlash mm {in) . , egistered trademark of ZEXEL-GLEASON US, Side gear and pinion gear Final gear , INC Length (Pilot section to pilot section) mm (in N. STEERING SYSTEM Steering wheel Outer diameter mm {in} 1 370 11 4.6) Type item Free play mm {in) I 630 {O-1.18) Wheel effort N (kaf, Ibfl 14.9--29.4{0.5--3.0, 1.1-4.6) 123.545.3 12.A4.6,5.3--8.0) turns I 3.36 1 2.8 I 1 Manual steering Steering Shaft Shaft type I Collapsible, non-tilt Power steering Joint type I 2-cross joint Power steering system Gear ratio 1 m (infinite) Rack stroke rnm {in) I 121 .O 14.76) Power assist type Engine speed sensing Power steering fluid Fluid capacity L {US qt, Imp qt} Fluid pressure kPa {kgf/cm2, psi) Gear type - - ATF DexrongII oi M-111 0.8 {0.85,0.70) 7,603--8,339 (77.5850, 1 ,I 02-1,209) Rack-and-pinion Gartner Banana

TECHNICAL DATA TD P. BRAKING SYSTEM 3rake pedal Waster cylinder 'ront brake :Disc) Rear brake [Disc) Parking brake Power brake unit Rear wheel hydraulic control system -. . . . . Free play mm {in) I 4--7 {0.16--0.28) Item Heiaht (with car~et) mm {in) Reserve travel (without carpet, clearance when pedal is depressed at 589 N (60 kgf, Specifications 171-1 81 {6.73-7.13) . ,~ I Bore mm {in} I 22.22 (0.87) 132 Ibi)) mm {in) 1 Tv~e Tandem . . Fluid type Type Disc plate runout mm {in) [ 0.1 {0.004) max. Wheel cvlinder bore mm {in) I 51.1 i2.011 . . FMVSS116, DOT-3 Disc ~hickness of pad mm {in) Thickness of disc plate mm {in) I I . . Wheel cylinder bore mm {in) I 31.75 (1.25) Standard Limit .%mhd Limit Lever notches 1 7 n 8.0 I0.31) 1 .O (0.041 20.0 {0.79) 18.0 {0.71} . . Disc 8.0 {0.31) 1 .O i0.04) 9.0 10.35) . , TY pe Thickness of pad mm {in) Thickness of disc plate Tvoe I Sinale diawhraam Standard Limit &mdard mm {in) (Pulled at 196 N (20 kgf, 44 Ibf)) ,r- I " . - Diameter mm {in) I 21 4 (8.0) Limit 1-3 Push rod-to-piston clearance mm (in) When vacuum applied to the unit is approx. 66.7 kPa (500 mmHg, 19.7 inHg} 0.1-0.4 (0.004--0.016) Fluid pressure per treading force kPa {kgf/cm2, psi)/N {kgf, Ibf) Tv~e Q. WHEELS AND TIRES 1,079-1,177 {ll-12, 15&171)/196 (20,441 at 0 kPa 10 mmHg, 0 inHg) min. 5,199~5,494 {53-56, 754--796)/196 {20, 44) at 66.7 kPa (500 mmHg, 19.7 inHg} min. PBV Bend portion (Rear brake pressure) kPa {kgf/cm2, psi) 2,943 {30,427) Wheel Temporary spare 14x4T TY Pe ltem 1 Size Standard 14x5 112-JJ Offset mm {in) Pitch circle diameter mm {in) Material Tire Wheel and tire I 45 {I .77) 100 (3.94) Aluminum allov Steel Size Air pressure kPa {kgf/cm2, psi) 185/60R14 82H 179 11.8, 26) Runout limit mm {in) 1 TI 1 5/70D1 4 41 5 (4.2, 60) Horizontal Vertical 2.0 {0.079) 1.5 10.059) 10 (0.35) Maximum unbalance (at rim edge) 9 {oz) Gartner Banana

TECHNICAL DATA R. SUSPENSION Front sus~ension I i/ Differential - . - ~- Coil springs MT I AT Shock absorbers "TORSEN" LSD TY ~a Cylindrical double-acting, low-pressure gas charged Standard Stabilizer Double-wishbone Torsion bar Wire diameter mm {in) Coil inner diameter mm {in} Rear suspension Tv~e I Double-wishbone TY pe Diameter mm {in) 20.0 (0.79) I Identification color 11 .O {0.43} 83.0 f3.27) . . Free length mm {in) Coil number 19.0 {0.75} . . 292.5 (1 1.52) 1 302.0 {I 1.89) 6.32 I - . I1 . ,I . , I Shock absorbers Cylindrical double-acting, low-pressure gas charged White I I Identification color I Yellow I Green I Blue Torsion bar 12.0 (0.471 1 11 .O 10.43) .a Stabilizer TYPe Diameter mm {in) Coil springs Wheel alignment I Front wheel alignment (Unladen'') I I - Caster angle*3 King pin angle I tun'aoen 'I 1 Camber angle'2 -0°43' 2 30' I I - Wire diameter mm {in) Coil inner diameter mm {in) Free length mm {in} Coil number Maximum steering angle 4O26' -c 45' 11 "20' Rear wheel alignment ,, l-l_A_-*i, *1 Fuel tank full; radiator coolant and engine oil at specified level, and spare tire, jack, and tools in designated position. *2 Difference between left and right must not exceed lo. *3 Difference between left and right must not exceed 1'30'. 10.1 (0.40) Inner Outer 10.2 I0.40) mm (in) Camber ana~e*~ J 3 + 3 10.12 r 0.12) 0°18' 2 18' -. - 3 r 3 {0.12 2 0.12) 0'24' 2 45' 37O23' 2 2" 32O32' 2 2" Total toe-in 83.0 i3.27) U' mm {in} degree 348.5 113.72) Total toe-in 356.5 {I 4.04) dearee 7.68 0'18' & 18' 7.96 Gartner Banana

TECHNICAL DATA 1 Charge I 1.4 Belt 1.4 r. BODY ELECTRICAL SYSTEM 1 Air bag I 2 1 Retractor 1.4 Item Wattage (Bulb trade number) Hold Anti lock Wamlng and indicator lights 1.4 1.4 Washer Rear window defroster Beam Turn (LH and RH) Illumination Malfanction indicator Brake 1.4 1.4 I Exterior lights 3.4 3.4 3.4 x 4 1.4 1.4 Headlights Front turn signawparking lights Front side marker lights License plate lights Rear turn signal lights Rear side marker lights Stop/taillights Back-UP linhts High-mount stoplight I 18.4 (921) ACS 1 1.4 Hazard switch 1.4 60140 2718 (1 157 NA) 3.8 (1 94) 7.5 27 (1 1 56) 3.8 (1 94) 2718 {I 157) 27 (1 1561 Interior llahts - I lllumination lights I Cruise control main switch I 1.4 I 5 Ash tray U. HEATER AND AIR CONDITIONING SYSTEM I Item I Specit lcations I 3.4 Heater control switch ane el I 1.4 STANDARD BOLT AND NUT TIGHTENING TORQUE Refrigerant amount S (04 Compressor oil amount rnl {cc, fl oz) Refrigerant normal pressure MPa (kgflcm2, psi) 600 {2 1.21 130-1 70 {I 30-1 70,3.9-5.1) Low pressure: 0.154.25 (1 .5-2.5,21-361 Hiah Pressure: 1 37-1.57 (1 4--16, 199--228) Gartner Banana