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Manual Transmission
Place transmission in Neutral position.
Ensure emergency brake has been set and all accessories are turned off.
Start engine and bring to normal operating temperature.
Allow vehicle to idle in Neutral for one minute.
Initial relearn is complete, and process will be completed during normal driving.
1997 Mazda MX-5 Miata
GENERAL INFORMATION Computer Relearn Procedures
Microsoft
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Page 185 of 514

See REAR AXLE SHAFTS & BEARINGS.
2. Remove ABS wheel speed sensor. Mark drive shaft and differential carrier flanges for reassembly
reference and remove drive shaft from differential carrier. Remove differential carrier-to-housing bolts.
Remove differential carrier.
Installation
To install, reverse removal procedure. Apply sealant to carrier mating flange. Align marks made during
removal. Refill differential with lubricant. Tighten all nuts and bolts to specification. See TORQUE
SPECIFICATIONS .
Removal (Miata)
1. Raise and support vehicle. Remove wheel and tire assembly. Drain differential. Remove differential
mounting pipe. Remove exhaust pipe. Mark drive shaft and differential carrier flanges for reassembly
reference and remove drive shaft from differential carrier. See Fig. 7
. Disconnect speedometer cable
from transmission. Notin
g locations, disconnect wiring harness from Power Plant Frame (PPF).
1997 Mazda MX-5 Miata
1997-98 DRIVE AXLES Differentials & Drive Axles - MPV & MX-5 Miata
Microsoft
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Page 187 of 514

Fig. 7: Exploded View Of Differential Components (Miata)
Courtesy of MAZDA MOTORS CORP.
2. Support transmission using a jack. Remove PPF bracket from rear transmission extension housing (M/T
only). Remove PPF-to-differential side bolts. Pry out spacer. Remove PPF/differential mounting spacer.
See Fig. 8
. Install bolt (M14 X 1.5) into sleeve. See Fig. 9 .
3. Twist bolt from side to side while pulling it downward. Install a metric bolt (M6 X 1) into hole in housing
block to hold sleeve and remove long bolt (M14 X 1.5). Remove short bolt (M6 X 1).
4. Remove PPF-to-transmission side bolts and remove PPF. Remove caliper assembly. Remove lower arm
bolt. Mark and disconnect CV joint axle shafts from differential assembly, and support aside.
5. Support differential assembly and remove differential-to-chassis mounting nuts. Remove differential from
vehicle. Remove drive axle output shafts from carrier. Remove differential carrier-to-housing bolts.
Remove differential carrier.
Fig. 8: View Of Power Plant Frame (PPF) Components (Miata)
Courtesy of MAZDA MOTORS CORP.
1997 Mazda MX-5 Miata
1997-98 DRIVE AXLES Differentials & Drive Axles - MPV & MX-5 Miata
Microsoft
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Page 188 of 514

Fig. 9: Removing Reamer Bolt Sleeve (Miata)
Courtesy of MAZDA MOTORS CORP.
Installation
1. To install, reverse removal procedure. Apply sealant to carrier mating flange. Align marks made during
removal and install axle shafts. Install differential. Raise transmission until engine and transmission are
level.
2. Position Power Plant Frame (PPF) in place. Install PPF/differential mounting spacer. Tighten bolts to 27-
38 ft. lbs. (37-52 N.m). Install and tighten PPF-to-transmission side mounting bolts.
3. Ensure sleeve is installed into PPF housing block. Install spacer and bolts. Ensure reamer bolt is installed
into front hole and tighten bolt. See Fig. 8
.
4. Install transmission-to-PPF bracket (M/T only). Install remaining PPF bolts. Refill differential with
NOTE: Front PPF-to-differential side mounting bolt is reamer bolt which aligns
PPF. See Fig. 8
.
1997 Mazda MX-5 Miata
1997-98 DRIVE AXLES Differentials & Drive Axles - MPV & MX-5 Miata
Microsoft
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Page 196 of 514
Fig. 13: Measuring Carrier Case Spread
Courtesy of MAZDA MOTORS CORP.
TORQUE SPECIFICATIONS
TORQUE SPECIFICATIONS (MIATA)
ApplicationFt. Lbs. (N.m)
Differential Carrier Bearings Cap Bolts28-38 (38-52)
Differential Carrier Bearings Lock Plate Bolt13-18 (18-25)
Differential Carrier-To-Housing Bolts17-19 (23-26)
Differential-To-Chassis Mount Nuts
Inner Nut61-72 (83-98)
Outer Nuts (2)13-20 (18-27)
Drive Axle Inner CV Joint Flange Nuts40-47 (54-64)
Drive Pinion Lock Nut94-209 (128-284)
Drive Shaft Companion Flange Nuts20-22 (27-30)
Exhaust Pipe Mount Nuts30-41 (40-55)
Filler Plug29-40 (39-54)
Power Plant Frame Bracket
To-Power Plant Frame Bolt (M/T)77-91 (104-123)
To-Transmission Bolts (M/T)27-40 (37-54)
1997 Mazda MX-5 Miata
1997-98 DRIVE AXLES Differentials & Drive Axles - MPV & MX-5 Miata
Microsoft
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TORQUE SPECIFICATIONS (MPV)
Power Plant Frame-To-Differential
Side Mounting Bolts (Long)77-91 (104-123)
Spacer Bolt (Short)27-38 (37-52)
Power Plant Frame-To-Transmission Side Mounting Bolts (Long)77-91 (104-123)
Ring Gear Retaining Bolts51-61 (69-83)
Wheel Lug Nuts65-87 (88-118)
ApplicationFt. Lbs. (N.m)
AFW Extension Housing Mount Nut (4WD)49-72 (66-98)
Brake Pipe Union10-16 (14-22)
Differential Carrier Bearings Cap Bolts Front Differential27-38 (37-52)
Differential Carrier Bearings Cap Bolts Rear Differential54-78 (73-106)
Differential Carrier Bearings Lock Plate Bolt13-19 (18-26)
Differential Carrier-To-Housing Nuts/Bolts17-19 (23-26)
Differential-To-Chassis Mount Nuts (4WD)49-72 (66-98)
Drive Pinion Lock Nut94-210 (127-284)
Drive Shaft Companion Flange Nuts37-43 (50-58)
Filler Plug29-40 (39-54)
Lower Ball Joint-To-Control Arm Bolts (4WD)75-101 (102-137)
Lower Ball Joint-To-Control Arm Nut (4WD)94-127 (127-172)
Rear ABS Wheel Speed Sensor Bolt12-16 (16-22)
Rear Axle Shaft Assembly-To-Axle Shaft Housing Retaining Nuts40-49 (54-66)
Rear Brake Caliper Bolts37-43 (50-58)
Ring Gear Retaining Bolts51-61 (69-83)
Skid Plate Bolts (4WD)12-17 (16-23)
Tie Rod End Nut (4WD)43-58 (58-78)
Wheel Lug Nuts65-87 (88-118)
1997 Mazda MX-5 Miata
1997-98 DRIVE AXLES Differentials & Drive Axles - MPV & MX-5 Miata
Microsoft
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MOTORS
MOTORS
SENDING UNITS & SENSORS
SENDING UNITS & SENSORS
Key Interlock UnitBehind left side of dash. See Fig. 2 .
SAS UnitBehind center of dash. See Fig. 2 .
Transmission Control Module (TCM)Under left side of dash, near fuse block. See Fig. 2 .
ComponentComponent Location
Blower MotorUnder right side of dash. See Fig. 2 .
Condenser Fan MotorIn front of engine compartment.
Cooling Fan MotorIn front of engine compartment.
Cruise Control ActuatorOn left side of engine compartment.
Fuel PumpIn fuel tank.
Power Antenna MotorIn right front of trunk.
Retractable Headlamp ActuatorsBehind respective headlamp.
Shift Lock ActuatorUnder center console, on base of gear selector.
Windshield Washer MotorOn bottom of washer fluid reservoir.
Windshield Wiper MotorOn right side of firewall.
ComponentComponent Location
ABS Wheel Speed Sensor (Left Front)On back of left front wheel spindle assembly. See Fig. 1 .
ABS Wheel Speed Sensor (Left Rear)On back of left rear wheel hub assembly. See Fig. 3 .
ABS Wheel Speed Sensor (Right Front)On back of right front wheel spindle assembly. See Fig. 1 .
ABS Wheel Speed Sensor (Right Rear)On back of right rear wheel hub assembly. See Fig. 3 .
Brake Fluid Level SensorIn brake fluid reservoir. See Fig. 1 .
Camshaft Position SensorIn center rear of engine compartment. See Fig. 1 .
Crankshaft Position SensorOn front of engine.
EGR Boost SensorOn right side of engine compartment.
EGR Valve Position SensorOn right side center, rear of engine compartment.
EGR Valve Position SensorOn right side center, rear of engine compartment. See Fig. 1 .
Engine Coolant Temperature SensorOn rear of engine. See Fig. 1 .
Fuel Gauge Sender UnitIn fuel tank.
Heated Oxygen Sensor (Front)In rear of engine compartment. See Fig. 1 .
Heated Oxygen Sensor (Rear)On underside of vehicle, on exhaust pipe.
Input/Turbine Speed SensorOn left side of transmission.
Mass Air Flow SensorOn top of air filter housing. See Fig. 1 .
Throttle Position (TP) SensorOn side of throttle body. See Fig. 1 .
Transmission Fluid Temperature SensorOn left side of transmission.
1997 Mazda MX-5 Miata
1997 MAZDA MX-5 Miata
Microsoft
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Page 200 of 514

SOLENOIDS & SOLENOID VALVES
SOLENOIDS & SOLENOID VALVES
SWITCHES
SWITCHES
MISCELLANEOUS
MISCELLANEOUS
Vehicle Speed Sensor (VSS)On speedometer assembly.
Water Temperature Sender UnitOn center of engine. See Fig. 1 .
Washer Fluid Level SensorOn washer fluid reservoir. See Fig. 1 .
ComponentComponent Location
AT Interlock SolenoidIn steering column, near ignition switch. See Fig. 2 .
EC-AT Solenoid ValveOn left side of transmission.
EGR Solenoid Valve (Vacuum)On right side of engine compartment. See Fig. 1 .
EGR Solenoid Valve (Vent)On right side of engine compartment. See Fig. 1 .
Fourth Gear Solenoid ValveOn left side of transmission.
Idle Air Control ValveOn right side, front of engine compartment. See Fig. 1 .
PRC Solenoid ValveOn right side, front of engine. See Fig. 1 .
Purge Solenoid ValveOn right strut tower. See Fig. 1 .
ComponentComponent Location
Back-Up Lamp Switch (M/T)On right side of transmission. See Fig. 1 .
Brake SwitchOn bracket, above brake pedal. See Fig. 2 .
Buckle SwitchOn driver side seat belt buckle. See Fig. 3 .
Clutch Switch (M/T)On bracket, above clutch pedal. See Fig. 2 .
Hold SwitchUnder right side of center console.
Key Reminder SwitchIn steering column, near ignition switch.
Neutral Switch (M/T)On right side of transmission. See Fig. 1 .
Oil Pressure SwitchOn right side of engine. See Fig. 1 .
"P" Range SwitchUnder center console, on base of gear selector.
Parking Brake SwitchOn base of parking brake lever. See Fig. 4 .
Power Steering Pressure SwitchOn power steering pump assembly.
Refrigerant Pressure SwitchIn front of engine compartment, near radiator support. See Fig. 1 .
Starter Interlock Switch (M/T)On bracket, above clutch pedal. See Fig. 2 .
ThermoswitchUnder right side of dash.
Transmission Range SwitchOn left side of transmission.
ComponentComponent Location
1997 Mazda MX-5 Miata
1997 MAZDA MX-5 Miata
Microsoft
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