Does the bleeder valve add or take coolant from the degas or coolant reservoir. Or is the nipple coming from the coolant reservoir a plug that does not allow any coolant to or from the reservoir?
Bleeder valves are usually fitted to the cooling system to aid refilling and they are released to expel air trapped in the system. Unless air is bled from the system this way it is unlikely it will self-bleed or circulate properly.
Coolant reservoir or degassing tank is usually where the filling point and pressure cap is and a bleed valve would be rather redundant placed there. Not sure what you have there on your car unless it is a blanked off bypass port...
SOURCE: cant find bleeder valve foe coolant system on 96
dr_greg is incorect. The bleeder valve is on the thermastat housing near the intake manifold. Follow the hose from the top of the radiator to the the engine. Look for something that looks like a 12mm head nut with a metal nipple comming through it. If you change your coolant but do not open this valve untill coolant flows from it you may cause an air pocket to remain in your engine, possibly causing your car to over heat.
SOURCE: lincoln ls v8 2001 im leaking coolant directly
from my past experience this car is going to need a new coolant tank the molding seam opens when hot and leaks.
SOURCE: where is the coolant bleeder valve on 2000
On the engine next to the thermostat housing on most cars. It is a regular flathead screwdriver type screw. if you can't find it. Then slowly , without removing it, turn the radiator cap at operating temperatue. Until you hear it hiss and only coolant will come out. Do this very slowly andd carefully. The water is hot. Be careful.
SOURCE: Location: Coolant Temp Sensor 2001 Lincoln LS V6
It is on the Driver side of engine in between the COP's (Coil on plugs) simply unplug the wire use a 19 or 3/4 deep well socket and unscrew it and put it new one... The whole process should only take 10-15 minutes.
SOURCE: 2000 Boxster overheating, blowing coolant out of
Whatever you do, do not drive.
I got the same problem about 4 hours ago and tried to get home.
Half way, no oil pressure, overheat, silly noise from the engine.
Take your Boxster to a shop with a truck, you'll save money.
"One Unhappy Boxster Owner"
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