Questions & Answers for: 98 grand marquis heater control

...core valve in a '95 grand marquis '95 marquis enviro unit will not send heat it is usually in line in the heater hose from the block to the heater core. it looks like a mushrom with a linkage on

...stalls with air on My 98 Grand Marquis stall when I stop in traffic while the A/C is on. No problems if I'm moving ONLY when I stop. Any clue?? Thanks!! Try replacing the idle air control

...grand marquis could be heater control or plugged heater core.. heater core could be cleaned out by unhooking heater hoses and running water through or a radiator flush.. if its your valve youll need ...

...grand marquis heater doesnt work only cold air comes out the air cond works fine the enginecoolant is new, the engine doesnt overheat. Either your heater control valve is not properly operating or ...

location of heater control valve on a 1996 Grand Marquis It is right there in the in the dash. It is the whole panel, where you have all your fan speed, heater , ac and vents.

98 GRAND MARQUIS it seems to be on the heater hose where it connects to the heater or firewall. it's in line on the hose and has a vacuum line running to it. You can have a try.—————————multi diag

find heater control valve in 1995 mercury grand marquis On most 1990s models the valve is in one of the heater hoses in the engine compartment.

grand marquis. The part in the pixture leaks coolant water. What is the name of this part and how do I get it That is the heater control valve. You can get one at Autozone for $19.99. Here is the link

grand marquis no heat engine temp normal other eatc ops all normal. is there an external heater control valve on the car? Insufficient, erratic, or no heat Low engine coolant level. Engine overheating

...grand marquis / This vehicle does NOT use a heater control valve. Coolant flows to the heater core at all times. Temperature is regulated by the blend air door and blend door actuator. Locate the ...