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.
1990 Mazda 626 BaseFACTORY OEM SERVICE PROCEDURE
Quick Lookups: Fluids
| FLUID CAPACITIES | |||||||
|---|---|---|---|---|---|---|---|
| Fluid Type | Application | Standard | Metric | Fluid Spec | Note | S/H | |
| Air Cond Refrigerant | 1.98 LBS. | 0.89 KG | R-12 | S | |||
| Automatic Transmission Fluid | 7.20 QTS. | 6.81 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 | 7.90 QTS. | 7.47 L | Ethylene Glycol Antifreeze Coolant | S | |||
| Engine Oil | w/Filter | 4.33 QTS. | 4.09 L | API - SAE 5W-30 (Below -20Deg.F to 35Deg.F) 30 (35Deg.F to Above 105Deg.F) 40 (Below 90Deg.F to Above 120Deg.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 | 4.10 QTS. | 3.88 L | API - SAE 5W-30 (Below -20Deg.F to 35Deg.F) 30 (35Deg.F to Above 105Deg.F) 40 (Below 90Deg.F to Above 120Deg.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 | 15.90 GALS. | 60.18 L | S | ||||
| Manual Transmission Fluid | Normally Aspirated | 3.50 QTS. | 3.31 L | API - GL-4 or GL-5, SAE 80W-90 or Automatic Transmission Fluid DEXRON II | S | ||
| Power Steering Fluid | N/A | N/A | Automatic Transmission Fluid DEXRON II or M III | S | |||
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.