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One more question is when u check the coolant level when car is cold its lower right . then i let the car run cycle threw and recheck it but its still below the "add coolant line" car runs great and not over heat but would u add water too it to make it go to the line. or do most mustangs still stay below the add coolant line. thanks again.
One more question is when u check the coolant level when car is cold its lower right . then i let the car run cycle threw and recheck it but its still below the "add coolant line" car runs great and not over heat but would u add water too it to make it go to the line. or do most mustangs still stay below the add coolant line. thanks again.
The reason it keeps going down is because the cooling system is pulling additional coolant in and displacing air in the system, which moves to the reservoir. That's why it is near the top of the system (air rises). It can take 4 cycles of filling to the line and running the car. Just depends how low on coolant the car is and how long the system takes to work out all the air.
***This is assuming you don't see coolant dripping/pooling on the ground under your car... In that case you have a leak ***
You need to make sure you're putting a 50/50 antifreeze/water mix. You can either buy it pre-mixed or add water yourself. The brand is not all that important. It's just coolant.