steering MAZDA MX-5 1994 Owner's Manual

CHARGING SYSTEM B TE S TERMINAL 1. Remove the battery cover. 2. Disconnect the battery cable from the battery. 3. Remove the battery from the vehicle. 4. Place the battery in a pan of the water to prevent it from ,-, over heating, but keep water away from the top of bat- tery. 5. Charge the battery. Replacement Note When replacing the battery, replace it with the same style Mazda genuine battery (with vent manifold). ALTERNATOR Caution Obtain the code number and deactivate the audio anti-theft system before disconnecting the bat- tery. (Refer to section T.) Caution Reversing the battery connections or using high- voltage testers will damage the rectifier. Caution Do not start the engine while the connector is dis- connected from L and S terminals. It can damage the alternator. Note .--,' Positive voltage is always present at alternator B ter- minal. Removal l Installation 1. Disconnect the negative battery cable. 2. Disconnect the steering pressure sensor connector. 3. Disconnect the water thermoswitch connector. 4. Disconnect the IAC valve connector. 5. Remove the intake air pipe. 6. Disconnect the wire and connector from the alternator. 7. Remove the alternator bolts and nut. 8. Remove the alternator. 9. Install in the reverse order of removal. Tightening torque Bolt 0: 38-51 N.m (3.8-5.3 kgf-m, 27-38 ftelbf) Bolt @ : 19-25 N.m j1.9-2.6 kgfem, 14--18 ft-lbf) Nut @I: 9.9--14 N.m (100-150 kgf-cm, 87-1 30 in-lbf) Gartner Banana

Before beginning any service procedure. refer to section T of this manual for air bag system service warnings and audio antitheft system alarm conditions . FRONT AND REAR AXLES ....................................... INDEX M- 2 ..................................... OUTLINE M- 3 SPECIFICATIONS ........................... M- 3 TROUBLESHOOTING GUIDE .................. M- 4 ............................... FRONT AXLE M- 4 ................................ REAR AXLE M- 4 ............................. DIFFERENTIAL M- 4 ................................. FRONT AXLE M- 5 PREPARATION ............................. M- 5 WHEEL HUB. STEERING KNUCKLE .......... M- 6 .................................. REAR AXLE M-10 PREPARATION ............................. M-10 ......................... DISC BRAKE TYPE M-11 ................................ DRIVE SHAFT M-17 .................... DOUBLE OFFSET JOINT M-17 ............................... DIFFERENTIAL M-23 PREPARATION ............................. M-23 DIFFERENTIAL OIL ......................... M-25 ................. OIL SEAL (OUTPUT SHAFT) M-25 DIFFERENTIAL. STANDARD; DIFFERENTIAL. TORQUE SENSING LIMITED SLIP ("TORSEN" LSD) ........................... M-27 45UOMX-001 "TORSEN" is a registered trademark of ZEXEL-GLEASON USA . INC Gartner Banana

TROUBLESHOOTING GUIDE TROUBLESHOOTING GUIDE FRONT AXLE I Problem Posslbk Cause Worn or damaged wheel bearing Worn or damaged wheel bearing Steering wheel vibration braking Action Replace Replace REAR AXLE Page M- 6 M-6 I Problem Possible Cause Bent drive shaft Page Action Replace I Abnormal nolse Worn or damaged wheel bearing Worn drive shaft spline Worn or deteriorated upper arm bushing M-13 Replace I M-17 Body "rolls" I Replace section R Body leans Weak upper arm bushing Abnormal nolse from suspension system Worn or deteriorated upper arm bushing DIFFERENTIAL Problem Posrlble Cause lnsufficient differential oil Incorrect differential oil lmproperly adjusted ring gear backlash Poor contact of ring gear teeth Worn or damaged side bearing Worn or damaged ring gear Worn or damaged drive pinion bearing Worn or damaged pinion and side gear (STANDARD) Worn or damaged gear in LSD assembly ("TORSEN" LSD) Seized side gear and case Worn side gear spline Worn pinion shaft Worn thrust washer Worn or damaged needle bearing ("TORSEN" LSD) lmproperly adjusted side gear backlash lmproperly adjusted drive pinion gear preload Action Add oil Replace Adjust Adjust Replace Replace Replace Replace Replace Page M-25 M-25 M40 M4l M-32 M-32 M-32 M-32 M-32 M-32 M-32 M-32 M-32 M-32 M-40 M-39 Abnormal nolse Replace Replace Replace Replace Replace Adjust Adjust Heat buildup lnsufficient differential oil lnsufficient drive pinion gear backlash Excessive bearing preload Add oil Adjust Adjust Oil leakage Excessive differential oil Loose differential carrier Worn or damaged oil seal Remove oil Tighten or repair Replace I - No dlfferentlal operation I Misassembled or damaged Repair Gartner Banana

FRONT AXLE WHEEL HUB, STEERING KNUCKLE Inspection / Removal / lnstallation 1. lnspect wheel bearing play, referring to Inspection. 2. Remove in the order shown in the figure, referring to Removal Note. 3. lnspect all parts and repair or replace as necessary. 4. Install in the reverse order of removal, referring to Installation Note. 25UOMX-OC 1. Front wheel 9. Lower arm 2. Brake caliper assembly Removal Note .............. page M-7 3. Disc plate 4. Hub cap 5. Locknut Installation Note ............ page M-7 6. Front wheel hub assembly lnspect for cracks and damage Disassembly / Inspection / Assembly ................. page M-8 7. Wheel speed sensor (ABS) 8. Tie-rod end Removal Note .............. page M-7 Service ..................... section N .............. Removal Note page M-7 ..................... Service section R 10. Upper arm .............. Removal Note page M-7 ..................... Service section R 11. Dust cover and knuckle spindle lnspect dust cover for damage and distortion lnspect knuckle spindle for cracks and damage Disassembly / Inspection 1 ................. Assembly page M-8 lnspection Wheel bearing play 1. Remove the wheel, brake caliper assembly, and disc plate, referring to Removal note below. 2. Position a dial indicator against the wheel hub. Push and pull the wheel hub by hand in the axial direction and measure the wheel bearing play. If the bearing play exceeds specification, check and adjust the locknut torque or replace the wheel hub i assembly if necessary. Maximum wheel bearing play: 0.05mm i0.002 in) Gartner Banana

Before beginning any service procedure. refer to section T of this manual for I air bag system service warnings and audio antitheft system alarm conditions . STEERING SYSTEM INDEX ....................................... N- 2 OUTLINE ..................................... N- 4 SPECIFICATIONS ........................... N- 4 MANUAL STEERING .......................... N- 4 PREPARATION ............................. N- 4 ................ TROUBLESHOOTING GUIDE N- 5 BOOT ...................................... N- 6 STEERING WHEEL AND COLUMN ........... N- 8 ............. STEERING GEAR AND LINKAGE N-12 ENGINE SPEED SENSING POWER STEERING .......................... N-18 PREPARATION ............................. N-18 TROUBLESHOOTING GUIDE ................ N-20 AIR BLEEDING ............................. N-21 POWER STEERING FLUID ................... N-22 STEERING WHEEL AND COLUMN ........... N-24 STEERING GEAR AND LINKAGE ............. N-25 POWER STEERING OIL PUMP ............... N-33 DRIVE BELT ................................ N-37 25UONX-001 Gartner Banana

INDEX INDEX MANUAL STEERING STEERING WHEEL PLAY: [ (MOrnrn (0-1 .I 8 in) ] 1. Boot 3. Steering gear and linkage Replacement ................ page N- 6 Removal 1 Installation ......... page N-12 2. Steering wheel and column Disassembly / Inspection / On-vehicle inspection ......... page N- 8 Assembly .................. page N-13 -, Removal / Installation ......... page N- 9 Disassembly / Inspection / Assembly .................. page N-10 Gartner Banana

INDEX POWER STEERING STEERING WHEEL PLAY: [ 0-30mm (0-1.18 in) ] / DRIVE BELT DEFLECTION I=' I LIMIT: 11.5mm (0.45 in) at 98 N (1 0 kgf, 22 Ibf) 'I =!IS 1. Boot Replacement ................ page N- 6 2. Steering wheel. and column .... On-vehicle inspection pages N- 8,24 Removal / ................... page N- 9 Disassembly / Inspection 1 Assembly .................. page N-10 3. Steering gear and linkage Removal I Installation ......... page N-25 Air bleeding ................. page N-21 Disassembly I Inspection / Assembly .................. page N-26 4. Power steering oil pump ......... Removal / Installation page N-33 ................. Air bleeding page N-21 .......... Power steering fluid page N-22 5. Drive belt ................... Inspection page N-37 .................. Adjustment page N-38 ................ Replacement page N-38 Gartner Banana

N OUTLINEIMANUAL STEERING OUTLINE SPECIFICATIONS Steering wheel Steering shaft and joint d Type Steering gear Outer diameter mm {in) I 370 {I 4.6) I Manual steering Power steering Lock-to-lock turns Shaft ~oinr Power assist 3.36 2-cross joint - I Engine speed sensing Gear Gear ratio 2.8 Rack-and-pinion m (infinite) Rack stroke mm {in} Power steering fluid MANUAL STEERING Collapsible, non-tilt 121 .O i4.76) - I ATF DexronBII or M-111 ~luidca~acit~ L~S qt, Imp qt) I - PREPARATION SST 0.8 (0.85, 0.70) Preload attachment 25UONX-003 Hexagon wrench 49 GO30 797 Handle For removal of tie-rod end 49 1243 785 Installer, boot For measurement of pinion torque For installation of bushing 49 0208 701 A Boot air out tool - For removal and installation of adjusting cover For installation of tie-rod end boot 49 DO32 31 6 Protractor For removal of oil seal For tightening of adjusting cover Gartner Banana

MANUAL STEERING TROUBLESHOOTING GUIDE Problem Steering heavy Posslble Cause Poor lubrication, foreign material, or abnormal wear of steering ball joint Stuck or damaged lower arm ball joints lmproper steering pinion preload Damaged steering gear Malfunction of steering shaft joint lmproperly adjusted wheel alignment Malfunctioning steering gear Replace Replace gear Replace Replace Adjust Replace ~ction- Lubricate or replace section R N-12 N-12 N- 9 section R N-12 ~i&d~ection N-13 General instability while driving Steering wheel pulls to one side Shake (Steering wheel vibrates upidown) Worn or damaged stabilizer and/or suspension arm bushings Dragging brake Loose lower arm lmproperly adjusted wheel alignment lncorrect tire pressure Damaged or unbalanced wheel Worn or damaged steering joints lmproper steering pinion preload Weak front coil spring Worn or damaged stabilizer andlor suspension arm bushings Malfunctioning shock absorber lmproperly adjusted wheel alignment Excessive tire and/or wheel runout Loose lug nuts Unbalanced wheel(s) Incorrect tire pressure Incorrect tire pressure Unevenly worn tires Weak front spring Replace Repair Tighten Adjust Adjust Adjust or replace Replace Replace gear Replace Replace Replace Adjust Replace Tighten Adjust or replace section R section P section R section R section Q section Q N- 9 N-12 section R section R section R section R section Q section Q section Q Adjust Adjust Replace Replace section Q section Q section Q section R I Cracked or worn transmission mount I Cracked or worn engine mount 1 ~e~lace I section B lncorrect tire pressure Unevenly worn tires Malfunction of shock absorber Shimmy (Steering wheel vibrates circumferentially) Excessive steering wheel play Cracked or worn steering gear mount Loose steering gear mounting bolts Stuck or damaged steering ball joint Excessive tire and/or wheel runout Loose lug nuts Unbalanced wheel(s) Adjust Replace Replace Replace Replace Tighten Replace Replace Tighten Adjust or replace section Q section Q section R section J N-12 N-12 N-13 section Q section Q section Q I Loose shock absorber mounting bolts 1 Tighten I section R Stuck or damaged lower arm ball joint Cracked or worn suspension bushings Damaged or worn front wheel bearing lmproperly adjusted front wheel alignment Worn steering gear Worn or damaged steering joints Worn or damaged suspension arm bushings Loose steering gear mounting bolts I lmproperly adjusted front wheel alignment Poor steering wheel return Replace Replace Replace Adjust Replace Replace Replace Tighten Replace Adjust Replace Adjust Worn linkage &-tie-rod ball joint lncorrect tire pressure Stuck or damaged steering joints section R section R section M section R N-12 N- 9 section R N-12 N-12 section Q N- 9 section R Abnormal noise from steering system 25UONX-00! Improper steering pinion preload Ball joint not operating smoothly Steering shaft contacting something Loose steering gear Malfunctioning steering gear Obstruction near steering column Loose steering linkage Worn steering joints Replace gear Replace Repair Tighten Replace Repair or replace Tighten or replace Replace N-12 N-13 N- 9 N-12 N-12 N- 9 N-12 N- 9 Gartner Banana

N MANUAL STEERING BOOT Replacement 1. Loosen the wheel lug nuts. 2. On level ground, jack up the front of the vehicle and support it on safety stands. 3. Remove the wheel. 4. Remove in the order shown in the figure, referring to Removal Note. 5. Install in the reverse order of removal, referring to lnstallation Note. 6. After installation, check the steering angle and toe-in, and adjust if necessary. (Refer to section R.) Nm (kgfm, ftdbf) 1. Cotter pin 6. Tie-rod end boot 2. Nut Removal Note ................ page N-7 3. Tie-rod endfsteering knuckle Installation Note .............. page N-7 Removal Note ................ page N-7 7. Boot clamp J 4. Locknut 8. Boot wire Removal Note ................ page N-7 9. Steering gear boot 5. Tie-rod end Installation Note .............. page N-7 Gartner Banana