Question about 2002 GMC Yukon XL
Leaks coolant from hose thats going to fire wall, bottom hose
Coolant leaks can be difficult to trace because the leak can migrate away from the source. To start with, dry off all areas that are wet. Then ,with a flash light, inspect the hose and water pump to see where the leak originates. This is done with the engine running so be mindful of all moving parts as you look through the engine compartment. It may be the hose that is leaking.
Posted on Apr 21, 2014
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Posted on Jan 02, 2017
SOURCE: 2000 GMC Sierra leaking coolant
sounds like your water pump is probably leaking but do a quick look above to make sure its not leaking down from above
water pumps arnt that hard to do you will have to loosten the belt and probably remove the fan\
just get your self a repair manuall
Posted on May 14, 2009
Check the radiator and hoses for leaks. Also, look at the water pump and see if any coolant is leaking out of the vent or "weep" hole. If coolant is leaking from the weep hole, the water pump is defective and will need replaced. When checking hoses, look for cracks and leaks, especially around the hose clamps. Hope this helped and best wishes.
Posted on Aug 05, 2009
To much pressure in a cooling system mill cause leaks everywhere. Even on new parts. Check radiator cap for gunk and make sure pressure valve is working. The highest pressure for cooling systems should be 17 psi and not any higher.
Posted on Oct 29, 2009
It sounds like you have covered the basics. I will provide a list of some of the more major things. I would recommend having the coolant system pressure tested, as well as a compression test on the cylinders. At this point, it could be one of the following. 1: The bypass hose (This connects from the intake to the water pump) 2: Leaking freeze plug or plugs 3: Leaking intake manifold gasket or cracked intake 4: Bad head gasket or cracked head 5: Cracked block Having the coolant system pressure tested should expose any external leaks. Having the cylinders compression tested may tell of any internal problems.
Posted on Jan 02, 2010
it will be cold untill the thermostat gets to 195 degrees and that lets the coolant circulate thru out the engine and radiator
Posted on Jan 24, 2010
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