Where is the coolant filler port on a 911?

[DiJameson]

Generally, coolant is added through the coolant reservoir. The coolant reservoir is located in the engine compartment and can be seen by opening the engine hood. The full name of coolant should be antifreeze coolant, meaning it has antifreeze properties. Antifreeze coolant prevents the coolant from freezing and cracking the radiator or damaging the engine cylinder block or head during cold winter parking. Precautions for using antifreeze coolant: 1. Try to use the same brand of antifreeze coolant: Different brands use different metal corrosion inhibitors, so different brands should not be mixed. 2. Most antifreeze coolants have a two-year validity period: Ensure the product is within its validity period when adding; when replacing, drain the old fluid, clean the cooling system thoroughly, and then add new fluid. 3. Avoid diluting with water: Traditional inorganic antifreeze coolant should not be diluted with water, as it may form sediment, severely affecting its normal function. Organic antifreeze coolant can be diluted with water, but not too much. 4. Flocculent sediment: Some antifreeze coolants may develop small amounts of flocculent sediment after storage for a year, which is usually caused by additive precipitation and does not require disposal. However, if large amounts of granular sediment appear, it indicates the antifreeze coolant has deteriorated and should no longer be used.