The composite (plastic) intake manifold may crack near the thermostat housing and cause a coolant leak. Ford released an updated manifold that was reinforced to prevent a recurrence. No recall was issued for this problem but Ford did extend the warranty to seven years on some models from the date of purchase.Google+
Car Problem Reports
Lincoln Town Car Intake Manifold May Crank Near Thermostat Resulting in Coolant Leak
Lincoln Town Car Problem
Average Mileage: 135,887 mi (40,000 mi - 320,000 mi)
Visitor, 1998 Lincoln Town Car, 130,000 mi
composite plastic intake manifold has crack near thermostat housing can you replace just that part or the whole housing how much
Visitor, 1999 Lincoln Town Car, 115,788 mi
the neck cracked bc it got to hot and the neck is just plastic so have to get a new one that wasnt plastic and it works great
Visitor, 2001 Lincoln Town Car, 163,000 mi
car overheats changed water pump, thermostat, check heater core, front passenger seat floor wet help
Visitor, 1999 Lincoln Town Car, 124,321 mi
Thermostat housing leaking coolant. Manifold cracked in two places - front and rear of manifold. Manifold was replaced. Total bill, including labor was: $839.32
had to replace severely cracked
Visitor, 2005 Lincoln Town Car, 104,000 mi
Antifreeze leak from intake manifiold. Removed parts above it and found one large crack in intake manifild that was original equipment.It came from factory made out of a hard plastic.Replace with a upgraded intake manifold(after market) with some aluminum parts to it. After all said and done the leaks have stopped and the system is working properly again.Cost of parts and labor 600.00.
Visitor, 2000 Lincoln Town Car, 85,000 mi
Crack found on inner thermostat housing, leaking coolant.
Visitor, 2000 Lincoln Town Car, 96,500 mi
Engine missing, SES came on. Turned it in @ dealership for servicing. Cracked manifold replaced, coolant evacuated from cylinders, and new plugs/plug wires.
Visitor, 1999 Lincoln Town Car, 177,000 mi
Car left me stranded in Gatlinburg , TN. while on vacation. Costs me $1,400.00 to fix at dealer. Ford's recall had run out.
Visitor, 1998 Lincoln Town Car, 98,000 mi
intake manifold has a crack at the top of thermostat. Can't repair/fix - New manifold needed. Sucks since this is a known issue with the 4.6l v8 & not cheap