I shut the heater core off with two water valves 5 8 and 3 4 the a c started read more.
99 grand marquis heater core location.
You will need a chilton or haynes manual to guide you through the job or bring it to a shop and have them do it.
How to remove the heater core 1999 mercury grand marquis.
Mercury grand marquis 1999 hvac heater core by apdi.
What needs done to remove the heater core from my car.
At the simplest level possible the heater works by passing hot coolant from the engine into a tiny radiator called the heater core.
Grand marquis no heat.
Your grand marquis gets you everywhere you need to go with power and room for passengers.
How the heater works.
If the heat is blowing but blowing cold it has something to do with the coolant getting to the heater core or the heater core itself.
The core itself looks like a small radiator and is located inside the big box under the dashboard and isn t very easy to remove.
Same quality as oe for less money designed with the latest software and manufactured with modern tooling.
Where is the heater control valve located and how do i get to it 1999 mercury grand marquis.
The compressor working fine ice cold accumulator.
Mercury grand marquis 1998 4 6l the a c would not cool the inside of car.
If you notice unexplained fogging or a sweet smell inside your cabin you may have a broken heater core.
Question from 090913 in placerville ca find answers to your 1999 mercury grand marquis question from certified mechanics and auto experts.
Many people bypass the heater core if it is leaking.
It stops the leak but then you have no heat.
Consists of tubes to carry the coolant and fins to transfer heat to the.