1999 GMC Yukon "pool heater leaking back" Questions

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...heater are leaking. if coming from a drain its the heater core. Look under and see what its coming from. The lines need a special tool to get off J38723 is the number for the tool not mater which its ...

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...a defective heater core. A/C condensate coming off the evaporator is not draining due to a plugged drain tube at the firewall. It will then pool in the passengers floor-well or back seat

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...pool of coolant forming in the back of her car whats the cause of that? If the vehicle has a rear passenger heater, it may be that the coolant is leaking from the heater core or one of the hoses ...

pool of water somewhere to give a clue what is wrong. If the leak isn't obvious it could be the heater matrix leaking into the car. If it has a rear heater it could be a failed pipe leaking underneath

Question about GMC Yukon

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pool of red coolant, Or you see the trail of coolant if you look down back behind the throttle body than that will usually confirm the problem. You can also have leaking throttle body heater hoses, Or

94crownvictoria back and front passenge has pooled water,i have no idea from where or is this commonr Your heater core is bad, and its leaking from under the dash !

...heater core and hoses aren't leaking, and the windshield isn't leaking either, the only other possibility that I can think of would be that perhaps your passenger side door has bad ...

...heater core, it is leaking. I second that. There may be a small crack inside the vehicle on the heater core that you cannot see and is leaking under the carpet. Also - Windshield seals are notorious ...

Question about Cars & Trucks

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...leaking heater core. If it is water chances are its coming out of the heater box because the drain for the water that pours on the cowl under the wipers is clogged and it is pooling up and going into ...

...bonnet....look for water building up in anything that will hold water...if water is found pooling....clear drain hole either a failed intake gasket, bad freezeplug or leaking heater hose

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