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.
1985 Porsche 911 2D ConvertibleFACTORY OEM SERVICE PROCEDURE
Quick Lookups: Fluids
| FLUID CAPACITIES | |||||||
|---|---|---|---|---|---|---|---|
| Fluid Type | Application | Standard | Metric | Fluid Spec | Note | S/H | |
| Air Cond Refrigerant | 2.09 LBS. | 0.94 KG | R-12 (C CI2 F2) | S | |||
| Brake Fluid | 0.42 PTS. | 0.19 L | DOT 3 or DOT 4 Brake Fluid | S | |||
| Differential Gear Oil | 3.17 QTS. | 2.99 L | SAE 90 Transmission Oil according to API Classification GL-5 (MIL-L-2105 B) | S | |||
| Engine Oil | 13.74 QTS. | 13 L | SAE 5W-20 (Below -20Deg.F to 15Deg.F), 5W-30 (-20Deg.F to 30Deg.F),10W-30 (-10Deg.F to 70Deg.F), 10W-40/50 (-5Deg.F to 95Deg.F), 15W-40/50 (5Deg.F to Above 100Deg.F), 20W-50 (15Deg.F to Above 100Deg.F) | S | |||
| Fuel Tank | 22.40 GALS. | 84.79 L | S | ||||
| Manual Transmission Fluid | 3.17 QTS. | 2.99 L | SAE 90 Transmission Oil according to API Classification GL-5 (MIL-L-2105 B) | S | |||
| Power Steering Fluid | N/A | N/A | ATF DEXRON | S | |||
| Windshield Washer Fluid | 2.11 GALS. | 7.98 L | S | ||||
Factory Service Tools
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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.