Question about 2000 Jeep Grand Cherokee
Generally heater hoses do not clog. Likely the problem is in the heater core (inside the dash). Best thing I've ever used to flush a system is the same stuff you use in an electric diswasher, to do the dishes!! Add it to the radiator when it's cold, run it for around 45 minutes at idle with the heat on high. Let it cool down and drain the system, re-fill with water and run for a minute, then drain again to get everything out of there. I've found the easiest drain method is to remove the lower hose at the radiator. (runs between the water pump and radiator). Re fill with a 50/50 antifreeze mix and you should be good to go. BUT, if your dash gauge reads below 210 degrees, when it's warmed up, you may have a thermostat that is stuck open or missing, in which case it needs to be looked at. (therm is in a housing at the engine end of the upper radiator hose. spring end goes in the engine when replacing)
Posted on Jan 11, 2013
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Posted on Jan 02, 2017
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