Coolant Still overflowing

[Chuck W.]

An OEM one at Sunset Porsche is $282.69.

RESERVOIR | Genuine Porsche | 996-106-147-08

[Jager]

Originally Posted by JFP in PA

Try pressure testing it to around 18 PSIG and see what happens. I really dislike aftermarket tanks.

My friend just purchased an aftermarket tank from ebay and had coolant going out the overflow as soon as the motor got warm. I suggested removing the over-pressure valve to inspect it and found there were no "O" rings, the small and large "O" rings were missing! Wow...