MAZDA MX-5 1994 Workshop Manual

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

FRONT AXLE M Removal note Brake caliper assembly Note For easier installation, do not depress the brake pedal after removing the brake caliper assembly. Suspend the brake caliper assembly with a rope. Tie-rod end Loosen the nut and disconnect the tie rod end the SST. Caution The sharp edges of the SST can slice the tie-rod end dust boot. Install the SST so that the sharp edges are between the dust boot and the knuckle. 1. Remove the cotter pin. 2. Loosen the nut until it is flush with the end of the ball stud. 3. Disconnect the tie rod end from the knuckle by using the SST. Lower arm Caution The sharp edges of the SST can slice the lower arm dust boot. Install the SST so that the sharp edges are between the dust boot and the knuckle. Loosen the nut and disconnect the lower arm by using the SST. Upper arm Caution The sharp edges of the SST can slice the upper arm dust boot. Install the SST so that the sharp edges are between the dust boot and the knuckle. Loosen the nut and disconnect the upper arm by using the SST. Installation note Locknut Install a new locknut and stake it. Tightening torque: 167-21 6 N.m (1 7-22 kgf.m, 123-1 59 ft-lbf) Gartner Banana

M FRONT AXLE Disassembly 1 Inspection 1 Assembly 1. Disassemble in the order shown in the figure, referring to Disassembly Note. 2. Inspect all parts and repair or replace as necessary. 3. Assemble in the reverse order of disassembly, referring to Assembly Note. DO NOT DISASSEMBLE @$ REPLACE N.m (kgfm, ftdbf} 1. Dust cover 4. Hub bolt 2. Knuckle spindle Disassembly Note ........... page M-8 3. Sensor rotor (ABS) Assembly Note ............. page M-9 Disassembly Note ........... page M-8 5. Front wheel hub assembly Assembly Note ............. page M-9 Inspection .................. page M-9 Disassembly note ' Sensor rotor (ABS) I Secure the front wheel hub in a vise and remove the sen- sor rotor by using the SST. Note The sensor rotor does not need to be removed unless you are replacing it. ..-.' Gartner Banana

FRONT AXLE M Hub bolts Note The hub bolts do not need to be removed unless you are replacing them. Remove the hub bolts with a press. Assembly note Hub bolts Install the new hub bolts with a press. Sensor rotor (ABS) Install a new sensor rotor by using the SST and a press. Inspection Front wheel hub assembly Inspect for damage. Gartner Banana

M REAR AXLE REAR AXLE PREPARATION SST 49 F026 103 Puller, wheel hub L==l I. - I For disassembly and assembly of rear axle 49 8026 1 A0 Puller, wheel hub For disassembly and assembly of wheel hub 49 GO33 102 Handle (Part of 49 8026 1 AO) For removal and installation of rear wheel hub For removal and installation of rear wheel hub Attachment A (Part of 49 8026 1 AO) - --- 49 GO30 795 Installer, oil seal For installation of oil seal For removal and installation of wheel bearing Handle (Part of 49 GO30 795) For removal of wheel bearing 49 GO33 107 Installer, dust cover For installation of dust cover Puller, fan pulley boss 49 F027 OAI For installation of bearing 49 F027 005 Attachment $62 (Part of 49 F027 OAl ) For assembly of rear axle Installer set, bearing 49 F027 009 Attachment $68 & 77 (Part of 49 F027 OAl ) For assembly of rear axle For assembly of rear axle Attachment 9'72 (Part of 49 F027 OA1) For installation of oil seal Installer, oil seal Gartner Banana

REAR AXLE M DISC BRAKE TYPE Inspection 1 Removal 1 Installation 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. 5. After installation, adjust the rear wheel alignment. (section R.) @ REPLACE 21 6294 {2230,159-217) N.m {kgf m, Rlbf) 1. Rear wheel 2. Brake caliper assembly Removal Note . . . . . . . . . . . . . page M-12 3. Disc plate 4. Locknut Installation Note . . . . . . . . . . . page M-12 5. Wheel speed sensor (ABS) 6. Sensor bracket 7. Knuckle, wheel hub, and dust cover lnspect knuckle for cracks and damage lnspect wheel hub for cracks and damage lnspect dust cover for damage and distortion Disassembly / Inspection / Assembly . . . . . . . . . . . . . . . . page M-13 Gartner Banana

M REAR AXLE Inspection Wheel bearing play 1. Remove the wheel, brake caliper assembly, and disc plate, referring to Removal note below. d 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 bearing if necessary. Maximum wheel bearing play: 0.05mm (0.002 in) Removal note Brake caliper assembly Note For easier installation, do not depress the brake pedal after removing the brake caliper assembly. Suspend the brake caliper assembly with a rope. Installation note Locknut Install a new locknut and stake it. Tightening torque: 21 6-294 N-m {22-30 kgf-m, 159-217 ft4bf) Gartner Banana

REAR AXLE M Disassembly / Inspection / Assembly 1. Disassemble in the order shown in the figure, referring to Disassembly Note. 2. Inspect all parts and repair or replace as necessary. ,, 3. Assemble in the reverse order of disassembly, referring to Assembly Note. Q REPLACE REPLACE 9 REPLACE 1. Oil seal Assembly Note ............ page M-16 2. Rear wheel hub assembly Disassembly Note ............... below Assembly Note ............ page M-16 3. Retaining ring 4. Wheel bearing Disassembly Note .......... page M-14 Assembly Note ............ page M-15 5. Dust cover Disassembly Note .......... page M-14 Assembly Note ............ page M-15 6. Knuckle 7. Bushing 8. Hub bolt Disassembly Note .......... page M-15 Assembly Note ............ page M-15 Disassembly note Rear wheel hub assembly Press out the rear wheel hub assembly with the SST. Gartner Banana

M REAR AXLE Wheel bearing 1. Press out the wheel bearing by using the SST. 2. Move the bearing inner race away from the rear wheel hub assembly by using a chisel. 3. Press the bearing inner race off the wheel hub by using the SST. Dust cover Note The dust cover does not need to be removed unless you are replacing it. 1. Mark the dust cover and knuckle for proper reassembly. 2. Remove the dust cover with a chisel. Gartner Banana

REAR AXLE M I 1 Hub bolt Note The hub bolts do not need to be removed unless you are replacing them. Press out the hub bolts. Assembly note Hub bolt Press in new hub bolts. Dust cover 1. Mark the new dust cover the same as the one that was removed. 2. Align the marks of the new dust cover and the knuckle. 3. Install the new dust cover by using the SST. Wheel bearing Press the new wheel bearing into the knuckle by using the SST. Gartner Banana