Re: Ford Thunderbird 3.8 Engine Cooling 'Heater Problem
Just because there's coolant in the reservoir doesn't mean there is coolant
in the motor.... thankfully, later systems have gone to a pressurized
"degas" bottle to eliminate errors.
If the cooling system develops a slow leak that goes unnoticed, air (which
is composed of much smaller molecules than coolant) can be drwn into the
system as it cools... leaving a reservoir containing coolant and a cooling
system too low.
Our cars are simply machines and machines require attention.... smart money
is on spending a few minutes each week taking a good look at these
machines... after a cold soak, check the coolant level, check the underhood
fluid levels, check the FEAD belt (fan belt for the unFordists - is that a
word?), check the tire condition and pressure... and for Gods sake - check
your lights!!!! Doing these simple things can reduce the possibility of our
machines leaving us stranded at the most inopportune times
The 3.8 is almost famous for puking head gaskets... part of the reason is
it's inability to withstand excess heating in the cylinder heads.... many of
these motors have seen a long and troublefree lifespan simply because the
owners visited shops that paid close attention to detail or were painstaking
in their own servicing....