1999 Mercury Grand Marquis Q&A
1999 Mercury Grand Marquis Question: heater core
Oil in the coolant is either from the head gasket leaking or the intake manifold. You netter get it looked at by a mechanic that can properly test for a blown headgasket, and rule that out first before attempting any repairs. - Bret Bodas
The heater core leak
Hi, I'm looking for the installation procedures to install a new heater core in a Mercury grand marquis 1993 v8
how do i get my heater core from under the dash. i have remove everything except for my steering wheel.