I have not thought of that but I will take it apart and inspect, probably will just go ahead and replace them if I can since the lower unit will be separated from the stern anyways. Thank you
Thank you for you response, I have check thermostat housing and everything else around with a IR temp gun. It seems on par with the gauge on the dash. I have not tried the clear tube method yet but I will. Am I looking for bubbles?
I have a 2003 volvo penta 5.0L GXI with SX-M 1.60 sterndrive. I have replaced thermostat, manifolds and risers, the hose from the transom through the gimbal housing connecting to the sterndrive along with nipple that goes through the gimbal housing, o-ring to the nipple, and the o-ring that sits...