smelling coolant
#1
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Join Date: May 2011
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Year: 1997
Model: Cherokee
Engine: 4.0
smelling coolant
ok quick recap of issue. over the past couple of months i have been smelling coolant, but no signs of coolant loss. radiator is always full. history of cooling system is- 3 months ago new waterpump, new hoses, 2 months ago new 3 row csf radiator, new thermostat. has one new heater core hose also. i have pressure tested the system and have had no drop in pressure over 45 minute period. it seems to do it as it wants. sometimes i wont smell it, it also does not matter if i have the heater on. this issue is driving me nuts...
#7
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Join Date: Feb 2012
Location: Olympic peninsula WA.
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Year: 1996
Model: Cherokee
Engine: 4.0 H.O.
Usually when mine smells of hot coolant it is the heater control valve under the hood. The little arm that opens and closes them keep leaking on all the ones I buy been thru 1 a year science 2005
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