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 Navajo S, Automatic
Quick Lookups: Fluids
1991 Mazda Navajo S, AutomaticSECTION Fluids
| FLUID CAPACITIES | |||||||
|---|---|---|---|---|---|---|---|
| Fluid Type | Application | Standard | Metric | Fluid Spec | Note | S/H | |
| Air Cond Refrigerant | 1.75 LBS. | 0.79 KG | R-12 | S | |||
| Automatic Transmission Fluid | 10.00 QTS. | 9.46 L | Automatic Transmission Fluid MERCON | S | |||
| Brake Fluid | N/A | N/A | DOT 3 Brake Fluid | Fill to line on reservoir. | S | ||
| Clutch Fluid | N/A | N/A | DOT 3 Brake Fluid | Fill to line on reservoir. | S | ||
| Differential Gear Oil | Front | 3.50 PTS. | 1.65 L | API - GL-5, SAE 90W | S | ||
| Differential Gear Oil | Rear | 5.30 PTS. | 2.5 L | API - GL-5, SAE 90W | Fill 1/4" to 9/16" (6 mm to 14 mm) below bottom of fill hole. | S | |
| Engine Coolant | w/Air Cond | 8.60 QTS. | 8.13 L | Ethylene Glycol Antifreeze Coolant | S | ||
| Engine Coolant | w/o Air Cond | 7.80 QTS. | 7.38 L | Ethylene Glycol Antifreeze Coolant | S | ||
| Engine Oil | 5.00 QTS. | 4.73 L | API - SAE 5W-30 (Below -20Deg.F to 35Deg.F), 10W-30 (Below -10Deg.F to Above 120Deg.F) | S | |||
| Fuel Tank | 19.30 GALS. | 73.05 L | S | ||||
| Manual Transmission Fluid | 2.80 QTS. | 2.64 L | API - GL-4 or GL-5, SAE 80W-90 or 75W-90 | S | |||
| Power Steering Fluid | N/A | N/A | Automatic Transmission Fluid Type F | S | |||
| Transfer Case Fluid | 2.50 PTS. | 1.18 L | Automatic Transmission Fluid MERCON | S | |||
| Windshield Washer Fluid | Front | 2.80 QTS. | 2.64 L | Ultra-Clear Windshield Washer Fluid | S | ||
| Windshield Washer Fluid | Rear | 3.30 QTS. | 3.12 L | Ultra-Clear Windshield Washer Fluid | 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.