Differential: Overview Mazda MX-5 NC

Scheme 1

Scheme 2

1. Position the vehicle on level ground.
2. Remove the oil-fill plug and the washer.
3. Inspect if the oil level is close to the rim of the oil-fill plug hole.
4. If the oil is not close to the rim of the oil-fill plug hole, add oil.
5. Install the oil-fill plug with a new washer and tighten. Tightening torque 39.2-53.9 N.m {4.00-5.49 kgf.m, 29.0-39.7 ft.lbf}

Scheme 3

1. Position the vehicle on level ground.
2. Remove the oil-fill plug.
3. Remove the drain plug and drain the oil.
4. Install the drain plug with a new washer and tighten. Tightening torque 39.2-53.9 N.m {4.00-5.49 kgf.m, 29.0-39.7 ft.lbf}
5. Add the specified oil through the oil-fill plug hole. Differential oil Grade: API service GL-5 Viscosity: SAE 90, SAE 80W-90, SAE 75W-90 (Not available from Mazda) Capacity (approx. quantity): 0.6-0.8 L {0.63-0.85 US qt, 0.53-0.70 Imp qt}
6. After adding the oil, perform the oil level inspection.
7. Install the oil-fill plug with a new washer and tighten. Tightening torque 39.2-53.9 N.m {4.00-5.49 kgf.m, 29.0-39.7 ft.lbf}

Scheme 4

Scheme 5

1. Remove the drain plug and drain the oil.
2. Install the drain plug with a new washer and tighten. Tightening torque 39.2-53.9 N.m {4.00-5.49 kgf.m, 29.0-39.7 ft.lbf}
3. Disconnect the rear drive shaft on the differential side. (See «REAR DRIVE SHAFT, REAR KNUCKLE COMPONENT REMOVAL NOTE».)
4. Remove the clip from the rear drive shaft. CAUTION: To prevent damaging the inside of the differential casing, wrap cloth on the end of the flathead screwdriver.
5. Remove the oil seal from the differential carrier using a flathead screwdriver.
6. Apply differential oil to the lip of a new oil seal.
7. Tap in the new oil seal until it reaches the differential carrier using the SSTs . NOTE: Install the oil seal at a straight angle.
8. After installing a new clip to the rear drive shaft, insert it into the rear differential. (See «REAR DRIVE SHAFT, REAR KNUCKLE COMPONENT INSTALLATION NOTE».)
9. Verify that the rear drive shaft is held securely by the clip by pulling the outer ring on the differential side towards the axle.
10. Add differential oil.
11. After adding the oil, perform the oil level inspection. (See «DIFFERENTIAL OIL INSPECTION».)
12. Install the oil-fill plug with a new washer and tighten. Tightening torque 39.2-53.9 N.m {4.00-5.49 kgf.m, 29.0-39.7 ft.lbf}

See also:
• EXHAUST SYSTEM REMOVAL/INSTALLATION [LF]
• PROPELLER SHAFT REMOVAL/INSTALLATION