Could this car be running so warm because of a head gasket leaking into a coolant passage? Is there any evidence of extra pressure in the cooling system? Eric Kissell 1991 200q 20v Avant, Koni Sports (yellow), 2.4 Bar (MRC), eBay Surprise 1989 200q 10v Avant, Boge Turbogas, 1.8 Bar (qlcc) 1986 5000cstq Sedan, Bilsteins, 1.8 Bar (SJM)