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Hey fellas. Got an 04 4.2 with 143,500. Recently just flushed my system out of the old dex cool with some distilled water then filled it fully back up with some 50/50 mix and i now have my upper radiator hose dribbling just a little fluid. Thats obvious, but incase it isnt so transparent and i need to go deeper would these be all the proper items to check:

Upper and lower rad. hose
Rad. Cap
Radiator
Waterpump
Coolant Reservoir
Thermostat cover & seal

Thanks for the help guys
 

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2004 gmc envoy_slt
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What do you mean by the hose is dribbling? Is the hose leaking?
If you mean there is little flow in the radiator, there is probably an air blockage in the system.
 
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