Question about 1999 Ford Taurus
Replace radiator cap , it's weak an not letting system build to normal pressure . Air in system !
Posted on Mar 18, 2015
It really seems like you'll need a radiator. The rad can appear to have good flow because even if it's plugged, coolant will bypass the cooling fins. If you can get at it, try putting your hand on the surface of the radiator when the engine is hot but not running. The rad will fell relatively cool across the surface if it's bad...hot if coolant is flowing through the core. Those hand-held laser thermometers are handy for doing this as well.
Posted on Jun 25, 2010
you don't say what year caddy. but older models (especially the 4.1L) did have a problem with intake manifolg blockages and gasket leaks. if that sounds like it could be your problem try replacing the intake manifold gasket, and clean out the inside of the manifold while it's off either manually, or by having it put in an acid vat at a rebuild shop or napa center
Posted on Sep 08, 2010
SOURCE: My 1999 ford taurus heater
Sounds like the heater core may be blocked..First check the level make sure its full..Then let the vehicle get up to operating temperature..Feel the heater hoses going into the firewall..Both should be hot to touch..If one is hot and the other one is warm or not warm ,,then you have a blockage in the heater core..If its block ,,then i have cleaned them out by taking the heater hoses off,,and running a garden hose through the heater core..If that doesnt work then you have to remove the dash,,and replace the heater core..
Posted on Sep 26, 2011
I would think you have a badly leaking engine cylinder head gasket. Have a shop test for that.
Posted on Oct 31, 2012
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