1999 GMC Yukon "radiator coolant" Questions

...coolant I am trying to drain the radiator in my 1998 GMC Yukon. Can't find the drain valve Sorry but most newer radiators don't have a petcock. I just changed mine by removing the lower radiator ...

...from a broken hose attached to the heater radiator; since the coolant leaks out onto the passenger side floor you do not have enough coolant in your engine thus: the temperature of your engine

...radiator either on the right or left side. If you can not find it at all then disconnect lower radiator hose from either radiator or water pump. This will make a small mess but will drain the

...in the radiator, radiator hoses, coolant reservoir, low coolant, even a bad coolant reservoir cap could cause it. Also water pump is a possibility. If not those, could be a bad blend door

...Coolant Inlet radiator hose from the water pump Upper fan shroud Cooling fan and clutch assembly Drive belt Radiator outlet hose from the coolant pump Surge tank hose Heater hose Water pump Fig. ...

...coolant. Do so via the radiator or tank? Cap cannot come off unless it was left loose. (most are a bit difficult even when removing on purpose) Refill with 50/50 mix right into the radiator while ...

...radiator before you start to do the work. Always catch the coolant as it is fatal to animals when they drink anti freeze. Should you need further help please just ask. Please rare the answer you ...

...coolant lavel in the radiator,but check it when engines cool. also check the coolant resevoir for low coolant level. this is usually the problem,just low coolant. no leaks? if leaking,you need to ...

...radiator. No visible signs of leaks If your coolant seems to be dissapering from res and know leak is present, your truck either has intake manifold leak or blown head gasket which will cause engine ...

...radiator hose. Drain the coolant onto a large drain pan and recycle the coolant === I just did a FREE write up on air purge from coolant system and how to detect initial state of blown head gasket at ...