1994 MAZDA MX-5 clutch

u AIR CONDITIONER A/C COMPRESSOR Removal / Installation 1. Raise the front of the vehicle at least 300 mm (11.8 In) and support it on safety stands. 2. Discharge the refrigerant system. i~ 3. Remove the splash shield and air guide. 4. Remove in the order shown in the figure. Immediately plug and open fittings to keep moisture out of the system. 5. Install in the reverse order of removal. Apply clean compressor oil to the O-rings before connecting the fittings; do not apply compressor oil to the fitting nuts. . 6. Adjust the belt tension. (Refer to page U-46.) 7. Install the air guide and splash shield. 8. Charge the refrigerant system. (Refer to page U-25.) 45uoux-086 i/ 1. Flexible hose 3. Magnetic clutch 2. AIC compressor Disassembly / Assembly . . . . . . page U-39 Disassembly / Assembly . . . . . . page U-41 Gartner Banana

AIR CONDITIONER u Disassembly l Assembly Magnetic clutch 1. Hold the clutch with the SST and remove the shaft bolt. 2. Remove the pressure plate with the SST. 3. Remove the shims. SNAP-RING PLIERS PLASTIC HAMMER 4. Remove the snap ring. 5. Remove the rotor by tapping it with a plastic hammer. Gartner Banana

TECHNICAL DATA MEASUREMENTS ......................... TD- 2 ................................... ENGINE TD- 2 .................... LUBRICATION SYSTEM TD- 5 ........................ COOLING SYSTEM TD- 5 FUEL AND EMISSION CONTROL SYSTEMS . TD- 6 ENGINE ELECTRICAL SYSTEM ............. TD- 7 .................................. CLUTCH TD- 7 .................. MANUAL TRANSMISSION TD- 8 AUTOMATIC TRANSMISSION ............... TD- 9 ....................... PROPELLER SHAFT TD-11 FRONT AND REAR AXLES ................. TD-12 STEERING SYSTEM ....................... TD-12 BRAKING SYSTEM ........................ TD-13 WHEELS AND TIRES ...................... TD-13 ............................. SUSPENSION TD-14 BODY ELECTRICAL SYSTEM ............... TD-15 HEATER AND AIR CONDITIONING SYSTEM . TD-15 STANDARD BOLT AND NUT TIGHTENING ................................. TORQUE TD-15 45UTDX-001 Gartner Banana

TECHNICAL DATA TI) G. ENGINE ELECTRICAL SYSTEM )ark current*' - Engine tem Voltage V 3attery Type and capacity (5-hour rate) Starter -. . BP DOHC MT mA 1 20.0 AT Tvm Ignition system 12, Negative ground S46A24L(S) (32 Ah) Maintenance-free A.C. ST- Output V-A Regulator type Regulated voltage V 12-65 Brush length mm {in) Drive belt deflection mm {in) 17.5 (0.69) 12.0 (0.471 - -- r-- I I hPe Spark plug 1 2-70 Standard Minimum New Used Brush length mm {in) BKR6E-11 (Standard ... MT) NIPPONDENSO : K16PR-U11 K20PR-U11 (Standard ... MT, AT) TYW OU~DU~ V-kW Standard 1 17.0 I0.67) Minimum 1 11.5 10.451 1 Type Spark advance control Ignition timing*2 BTDC ("CA)/rpm Transistorized (built-in voltage regulator) 14.3-1 4.9 21.5 (0.85) 8 I0.31) 5.5-7.0 {0.22--0.27) 6.0-7.5 {0.24--0.29) . . I . . Electronic spark advance (ESA) Powertrain control module (engine) controls spark advance Ignition coil H. CLUTCH Direct lot850 TY ~e Primary coil winding a Secondary coil winding ks2 . .- - Engine Item BP DOHC 1 Coaxial reduction 10/800 Molded (with igniter) - 8.7-1 2.9 NGK : BKR5E-11 *I Dark current is the.constant flow of current while the ignition switch is OFF. (i.e. powertrain control module (engine), audio, etc.) '2 With System Selector (49 B019 9AO) test switch at SELF TEST. , Plug gap mm (in) Firing order 124.95 1 .O-1.1 {0.040--0.043) 1-342 Clutch control Runout limit mm {in) 1 0.2 (0.008) I 12-1.4 Hydraulic Clutch pedal TYP Suspended A .- 6.13 120 (4.72) 175--185 {6.89--7.28) 0.G3.1 (0.02-0.12) 68 I2.68) Pedal ratio Full stroke mm {in) Height (with carpet) mm (in} Free play mm {in} Distance to carpet when clutch fully disengaged rnm [in Minimum Gartner Banana

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