Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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1991 Mazda RX-7 Turbo
Quick Lookups: Fluids
1991 Mazda RX-7 TurboSECTION Fluids
| FLUID CAPACITIES | |||||||
|---|---|---|---|---|---|---|---|
| Fluid Type | Application | Standard | Metric | Fluid Spec | Note | S/H | |
| Air Cond Refrigerant | 1.66 LBS. | 0.75 KG | R-12 | S | |||
| Automatic Transmission Fluid | 7.70 QTS. | 7.28 L | Automatic Transmission Fluid DEXRON II or M III | S | |||
| Brake Fluid | N/A | N/A | DOT 3 Brake Fluid | Fill to line on reservoir. | S | ||
| Engine Coolant | Turbocharger | 7.70 QTS. | 7.28 L | Ethylene Glycol Antifreeze Coolant | S | ||
| Engine Oil | w/Filter | 4.88 QTS. | 4.61 L | API - SAE 5W-30 (Below -20Deg.F to 35Deg.F), 10W-30 (Below -10Deg.F to Above 85Deg.F) 10W-40, 10W-50 (Below -10Deg.F to Above 120Deg.F) 20W-40, 20W-50 (Below 10Deg.F to Above 120Deg.F) | S | ||
| Engine Oil | w/o Filter | 4.70 QTS. | 4.44 L | API - SAE 5W-30 (Below -20Deg.F to 35Deg.F), 10W-30 (Below -10Deg.F to Above 85Deg.F) 10W-40, 10W-50 (Below -10Deg.F to Above 120Deg.F) 20W-40, 20W-50 (Below 10Deg.F to Above 120Deg.F) | S | ||
| Fuel Tank | 18.50 GALS. | 70.03 L | S | ||||
| Manual Transmission Fluid | 2.60 QTS. | 2.46 L | API - GL-4 or GL-5, SAE 75W-90 | S | |||
| Power Steering Fluid | N/A | N/A | Automatic Transmission Fluid DEXRON II or M III | S | |||
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.