clutch MAZDA MX-5 1994 Workshop Manual

TECHNICAL DATA Engine ------ BP DOHC I Clutch disc I Sinale drv date I u - w- ., Runout limit rnrn {in) 0.7 (0.026) Wear limit rnm linl 0.3 10.01 2) from rivet head . a, 1 outer diameter mm {in) I 215 (8.46) 1 J. MANUAL TRANSMISSION 150 (5.91) 3.5 (0.14) 3.8 (0.15) Inner diameter mm {in) Type _____L- Transmission ___2_ M15M-D Clutch cover Facing thickness mm {in) Diaphragm spring Flywheel side Pressure plate side Set load N {ksrf. Ibn 1 4,310 /440. 968) Gear ratio Runout rnm {in) Mainshaft Clearance between main- shaft and gear (or bush) mm {in} t-- Reverse Oil capacity L {US qt, Imp qt) 1 Maximum 3rd 4th 5th 3.758 2.0 (2.1, 1.8) 0.03 10.001 2) Clearance between shift fork and clutch sleeve Shift fork and rod rod gate and control lever 1.330 1 .OOO 0.814 Reverse idle gear Clearance between reverse idle gear bushing and shaft mrn {in) Synchronizer ring Wear limit Wear limit Clearance between syn- chronizer ring and side of gear when fitted mm {in} Wear limit 0.1 5 {0.006) Wear limit Wear limit I 1 mm {in) ( 75 i2.953) Standard 1.5 (0.059) 22.5 (0.886) 22.5 i0.886) 17.0 (0.669) Detent ball spring (I sV2nd) Detent ball spring (3~94th) Detent ball spring (5thlReverse) Lubricant Free length mm (in) Free length mrn {in) Free length mm {in) Above 10°C {50°F} All seasons API Service GL-4 or GL-5 SAE 80W-90 API Service GL-4 or GL-5 SAE 75W-90 Gartner Banana

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

SPECIAL TOOLS .................... GENERAL INFORMATION ST- 2 ..................................... ENGINE ST- 3 CLUTCH AND MANUAL TRANSMISSION ...... ST- 4 ................. AUTOMATIC TRANSMISSION ST- 5 .............................. DIFFERENTIAL ST- 6 ................... FRONT AND REAR AXLES ST- 7 ......................... STEERING SYSTEM ST- 7 .......................... BRAKING SYSTEM ST- 9 ........... FRONT AND REAR SUSPENSIONS ST-1 0 CHECKERS AND OTHER EQUIPMENT ........ ST-10 4SUOTX-001 Gartner Banana

ST SPECIAL TOOLS CLUTCH AND MANUAL TRANSMISSION TOOL NUMBER d DESCRIPTION PRIORITY ILLUSTRATION PRIORITY ILLUSTRATION 49 SEOl 310A Centering tool, clutch disc Wrench, flare nut 49 0259 440 Holder, mainshaft Guide, interlock pin assembly Wrench, mainshaft lock nut Guide, shift fork assembly 49 0500 330 Installer, bearing Puller, fan pulley boss Puller set, bearing 'usher, main jrive shaft 49 H017 101 Hook $9 071 0 520 Uler, bearing 19 8025 OAO nstaller, dust seal nstaller, main hive gear maring 19 1285 071 'uller, bearing nstaller set, ~aring Gartner Banana

SPECIAL TOOLS ST AUTOMATIC TRANSMISSION ILLUSTRATION rooL NUMBER I DESCRIPTION rooL NUMBER DESCRIPTION 490378400A Gauge set, oil pressure PRIORITY PRIORITY ILLUSTRATION Compressor, clutch spring 49 GO30 795 Installer, oil seal Gauge, oil pressure 49 H019 002 Adapter 49 0378 390 Puller, oil pump 49 SO1 9 OAO Centering tool set Adapter 49 U019 OAOA 49 GO32 355 Adjust gauge Hanger set, transmission 49 0378 346 rlexhead wrench 49 0877 435 Special wrench Gartner Banana

'IYIPIVOT-CLUTCH REL FORK :OVER ,FRONT CLUTCH iASKEf, FRONS COVER iUPWRTER, FORK :OVER, CLUTCH 31 SC, CLUTCH CORK,CLUTCH RELEASE SEAL ,OIL Gartner Banana

HUB SET,CLUTCIi-1ST 8 I ZWD I SLEEVE ,CLUTCH HUB AUWAOC - 03 1C95-06 Gartner Banana

WASHER,THRUST-REVERS E IDLE 8. SHAFT 4 REV. IDLE GEAR SPACER SHIH, ADJUST -COUNTER SHAFT GEAR T*O. lm TmO.SMM HUB SET,CLUTCH-O.T. REV 1 YASHER,THRU§T LOCK-0 VER TOP (5. T-6.2M NUT,LOCK-COUNTER SHA FT ER 1 GEARIREVERSE IDLE Gartner Banana

! 9 30 CLUTCHES 8 PLANETARY GEAkS (AUTQMATICS (1/2): 1930 CLUTCHES & PLANETARY GEARS (AUfOflATIC) (2/2) 7. Gartner Banana