transmission oil MAZDA MX-5 1994 User Guide

J TRANSMISSION OIL TRANSMISSION OIL INSPECTION 1. Remove check plug 0. u 2. Verify that the oil is at the bottom of the check plug hole. If it is low, add the specified oil from check plug @. 3. Wipe the plug clean and apply sealant to the plug threads before installing. Tightening torque @: 25--39 N.m (2.5--4.0 kgf.m, 19-28 ft4bf) REPLACEMENT 1. Remove plugs @I (with washer) and @. 2. Drain the oil into a suitable container. 3. Wipe all plugs clean. 4. Install drain plug @I (with new washer). Tightening torque @: 40-58 N.m (4.0-4.0 kgf.m, 2943 ftlbf) 5. Add the specified oil from check plug 0 port until the level reaches the bottom of check plug hole. Specified oil: API service GL-4 or GL-5 All-season: SAE 75W-90 Above 10°C (50°F): SAE 80W-90 Capacity: 2.0 L (2.1 US qt, 1.8 Imp qt) 6. Apply sealant to threads of plug 0. 7. lnstall plug @. Tightening torque @: 25--39 N.m (2.54.0 kgf.m, 19-28 ft-lbf) Gartner Banana

TRANSMISSION J TRANSMISSION 49 0839 425C Puller set, bearing For removal of bearing For installation of bearing Installer, bearing For removal of clutch hub assembly For holding mainshaft Puller, fan pulley boss Holder, mainshaft For removal of locknut 49 0862 350 Guide, shift fork / For installation of interlock pin Wrench, mainshaft locknut 49 HOl7 101 Hook For removal of bearing 49 071 0 520 Puller, bearing For removal of bearing For removal of transmission case For installation of bearing Pusher, main drive shaft \-4 I Installer, bearing 49 F401 330B Installer set, bearing For installation of bearing For installation of spring and ball Guide, interlock <-- pin For installation of clutch hub assembly 49 8025 OAO Installer, oil seal For installation of dust seal For installation of oil seal 49 6025 001 Body (Part of 49 6025 OAO) For installation of oil seal Handle (Part of 49 8025 OAO) Gartner Banana

J TRANSMISSION REMOVAL 1. Obtain the code number and deactivate the audio antitheft system before disconnecting the battery. (Refer to section T.) 2. is connect the negative battery cable. 3. On level grand, jack up the vehicle and support it evenly on safety stands. 4. Drain the transmission oil into a suitable container. 5. Remove in the order shown in the figure, referring to Removal Note. I. Shift lever knob ?. Rear console 9. Clutch release cylinder 10. Starter I 1 3. Shift lever 11. speedometer cable 4. Undercover 12. Power plant frame (PPF) 5. Performance rod Removal Note ............... page J-1 1 6. Differential mounting pipe 13. Transmission 7. Exhaust pipe J Removal Note ............... page J-12 8. Propeller shaft Service ...................... section L Gartner Banana

TRANSMISSION J DISASSEMBLY Precaution : 1. Clean the transmission exterior thoroughly with a steam cleaner or cleaning solvent before disassembly. b Warning Using compressed air can cause dirt and other particles to fly out, causing injury to the eyes. Wear protective eye wear whenever using compressed air. 2. Clean the removed parts (except sealed bearings) and all sealing surfaces with cleaning solvent, and dry with compressed air. Clean out all holes and passages with compressed air, and check that there are no obstructions. Housing Components Note The front and rear oil seals do not need to be removed unless you are replacing them. Disassemble in the order shown in the figure, referring to Disassembly Note. 1. Clutch release collar 2. Clutch release fork 3. Boot 4. Front cover 12. Extension housing Disassembly Note ............ page J-14 Disassembly ................ page J-22 13. Transmission case 5. Gasket Disassembly Note ............ pane J-14 6. Oil seal (front) lnspect for damage of oil seal lip. If necessary, replace it. 7. Adjustment shim 8. Snap ring 9. Speedometer driven gear 10. Neutral switch 11. Back-up light switch . - 14. Snap rings 15. Speedometer drive gear 16. Steel ball 17. Oil seal (rear) lnspect for damage of oil seal lip If necessary, replace it. On-vehicle replacement ....... page J-14 Gartner Banana

J TRANSMISSION Disassembly note Extension housing Turn the extension housing to remove it. Transmission case Remove the transmission case from the intermediate housing and gear assembly by using the SST. On-vehicle replacement Oil seal (rear) 1. Raise the vehicle and support it with safety stands. 2. Remove the propeller shaft. (Refer to section L.) 3. Remove the oil seal from the extension housing. 4. Apply the specified oil to a new oil seal. 5. Install the new oil seal by using the SST. 6. Install the propeller shaft. (Refer to section L.) 7. Inspect the oil level. (Refer to page J-8.) Gartner Banana

J TRANSMISSION Extension Housing Parts Disassemble in the order shown in the figure. REPLACE 1. Steel ball, spring, and spring cap 8. Change bushing 2. Select-lock spindle, spring, and spring cap 9. Wave washer 3. Plug, spring, and pushpin 10. Change control case 4. Blind cover 11. Rod cover 5. Roll pin 12. Oil passage 6. Control rod 13. Oil seal 7. Control rod end Do not remove unless necessary Gartner Banana

J TRANSMISSION ASSEMBLY Precaution 1. All O-rings and gaskets must be replaced with the new ones included in the overhaul kit. 2. Before assembly, make sure all parts are completely clean. 4 3. Assemble the parts within 10 minutes after applying sealant. Allow all sealant to cure at least 30 minutes after assembly before filling the transmission with transmission oil. 35UOJX-053 (5TH) (REVERSE) (~RD, 4TH) (1 ST, 2ND) 45UOJX-029 Clutch hub For the synchronizer assemblies, align the synchronizer ring grooves and synchronizer keys. The synchronizer rings can be distinguished as shown in the figure. The inner diametes of the 2nd synchronizer ring is larger than the 1 st. When installing the gears and clutch hub assemblies in the following procedure, make sure that they are installed in the direction shown in the figure. Gartner Banana

TRANSMISSION J Extension Housing Parts Assemble in the order shown in the figure, referring to Assembly Note. 1. Oil seal 8. Control rod end Assembly Note .............. page 5-28 9. Roll pin 2. Oil passage Assembly Note .............. page J-28 3. Rod cover 10. Blind cover Assembly Note .............. page J-28 11. Plug, spring, and pushpin w 4. Change control case 12. Select-lock spindle, spring, and spring cap 5. Wave washer Assembly Note .............. page J-28 6. Change bushing 13. Steel ball, spring, and spring cap 7. Control rod Gartner Banana

J TRANSMISSION Assembly note Oil seal 1. Apply the specified oil to a new oil seal. 2. Install the new oil seal by using the SST. Rod cover 1. Apply transmission oil to the rubber bushings on the rod cover. 2. Install the rod cover with the mark facing forward. L I 35UOJX-058 Roll pin Install a new roll pin into the control rod end. The split in the roll pin must be facing in the direction shown in the figure. L I 45UOJX-031 Select-lock spindle, spring, and spring cap 1. Install the select-lock spindle, spring, and spring cap. Tightening torque: 7.9-10.7 Nm (80-11 0 kgfan, 70-95.4 in-lbf) 2. Push the select-lock spindle down by pushing on the control rod. This will ensure that the steel ball correctly engages the select-lock spindle. 45UOJX-032 Gartner Banana

TRANSMISSION J Mainshaft Parts Assemble in the order shown in the figure, referring to Assembly Note. WPPLY SPEwim OIL To IwiviDwL PmTs 45UOJX-034 Clutch hub Synchronizer key Clutch hub sleeve Synchronizer key springs Mainshaft 2nd gear Assembly Note .............. page J-32 2nd synchronizer ring Double cone Inner cone Synchronizer assembly (2nd) Clutch hub assembly (Istf2nd) Assembly Note .............. page J-32 3rd gear Assembly Note .............. page J-32 3rd synchronizer ring Clutch hub assembly (3rdl4th) Assembly Note .............. page J-32 Snap ring Assembly Note .............. page J-32 1 st synchronizer ring Bearing race Assembly Note .............. page J-32 Bearing Assembly Note .............. page J-32 1 st gear Assembly Note .............. page J-32 5-31 Gartner Banana