2005 Porsche Boxster Base, AutomaticFACTORY OEM SERVICE PROCEDURE

Quick Lookups: Fluids

FLUID CAPACITIES
Fluid Type Application Standard Metric Fluid Spec Note S/H
Air Cond Compressor Oil 6.50 OZS. 0.19 L PAG 46 S
Air Cond Refrigerant 1.98 LBS. 0.89 KG R-134a S
Automatic Transmission Fluid Tiptronic S 10.04 QTS. 9.5 L Manufacturer's approved fluid only. S
Brake Fluid 0.40 QTS. 0.37 L Original PORSCHE Brake Fluid Manufacturer's approved fluid only. S
Differential Gear Oil Automatic Trans Tiptronic S 0.85 QTS. 0.8 L Manufacturer's approved fluid only. S
Engine Coolant Base,Automatic Trans 6.37 GALS. 24.11 L Manufacturer's approved fluid only. S
Engine Oil w/Filter 8.20 QTS. 7.76 L MOBIL1 SAE 0W-40 (for all temperature ranges), SAE 5W-40 or SAE 5W-50 (for temperature ranges over -13Deg.f (-25Deg.C). Manufacturer's approved fluid only. S
Engine Oil w/o Filter 7.93 QTS. 7.5 L MOBIL1 SAE 0W-40 (for all temperature ranges), SAE 5W-40 or SAE 5W-50 (for temperature ranges over -13Deg.f (-25Deg.C). Manufacturer's approved fluid only. S
Fuel Tank 16.90 GALS. 63.97 L S
Manual Transmission Fluid Base 2.40 QTS. 2.27 L Manufacturer's approved fluid only. S
Power Steering Fluid 1.10 QTS. 1.04 L Hydraulic Fluid (Pentosin CHF 11 S) Manufacturer's approved fluid only. S
Windshield Washer Fluid w/Head Lamp Washers 6.34 QTS. 5.99 L Use a winter cleaner or summer cleaner depending on the season Follow the Manufacturer's Instructions for the mixture ratio. S
Windshield Washer Fluid w/o Headlamp Washers 2.60 QTS. 2.46 L Use a winter cleaner or summer cleaner depending on the season Follow the Manufacturer's Instructions for the mixture ratio. 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:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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