Bleeder Valve Location???

[chiroengine]

Can any body help me with the location of the coolant system bleeder valve onmy 2002 Pathfinder???

[fueler]

Dont overlook - On 3.5L V6 engines, there is a secondary thermostat (called the water control valve) that can be accessed only after removal of the intake manifold - have you checked that? To answer your question, the bleed valve is at the rear of the engine. It is a 3/8" tube sticking up with a black rubber plug on the end of it. There is a sticker on the firewall behind it that says "do not open when hot"

[chiroengine]

Thank you for your response. I was afraid of that - the second thermostat.Is removing the intake manifold and replacing the secondary therm. a difficult job? I'll try to bleed the system first. Thanks fueler

[chiroengine]

Is it true that the system has to be hooked up to a vacuum in order to bleed or can I do it via ambient air?