Engine cooling problems?

my girlfriend's family have a 1998 chevy ventura van with the v-6 engine.. yesterday adjectives of a sudden her dad said that the low coolant lite came on he occupied up and everything was ok but next later on he notice that the lite came on again.. found out that here was a small hole within the bypass hose.. a new hose be on and now no more leak.. filled rear up with antifreeze.. everything should be fine.. but the space heater is blowing out hot air and adjectives but the upper radiator hose is not getting all that hot at adjectives. and the radiator fans( there are 2 of them) are not coming on.. checked fuses for cooling fan and they are ok. also the temperature guage will read for a moment on the cool side.. it just barly will bring in it to the normal collection... any ideas on what might be wrong...? appreciation in mortgage dave..

Just bought a mgzr 2005.could you report...

Answers: put in a investigational thermostat

Grand wagoneer update/question?

with engine past its sell-by date and fairly cool remove radiator hat. locate upper radiator hose and follow it to the thermostat housing. notice a funny looking nut on top. its the bleed spout...hold the bottom nut tight while loosening the top screw..careful not to clutch it out all the agency..it'll fall and you may lose it. i'm an ex GM tech......be there. immediately with the screw loose attach coolant and water 5o/50 to the radiator...it will force nouns out the bleed hole....this may take awhile.........engine sits lower than radiator which cause air to bring trapped.sometimes i had to bring to the fore the front of the van up with a jack to relieve the air out.think twice and good luck. e communication me back if you obligation more help

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