Saaba#39;s 9.5 and the Audi A6 were only noted a#39;acceptable.a#39; The U.S ... So, if the radiator is allowed to silt or block, the engine will be very prone to overheating. ... Solderedjunction should be checked for fracture and the rubber for swelling orperishing. ... If this is the case, it can generally be eliminated by applying a light smear of HMP grease to the backplate rubbing sectors. ... ThdSIEWS, 5 March 2001 1 35.