coolant res. swelling. normal?
04-06-2009, 03:39 PM
#1
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Year: 1987
Model: Cherokee
Engine: 4.0 soon to be gc ho 4.0
coolant res. swelling. normal?
is the resv. suppose to swell a little at all time while running? it runs at 210 and sometimes goes a little above for a few then back to 210. just notice it swells up some after jeep warms up.
04-06-2009, 07:30 PM
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Year: 1989
Model: Cherokee
Engine: 4.0
Both of my XJs puke tanks doo that but make sure your temp guage is acurate i helped c-loss put new electronic temp guage in his 88 with a new thermostat housing for the high output 4.0 to find out his factory temp guage was wrong. 
04-07-2009, 07:00 AM
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Year: 90
Model: Cherokee
Engine: 4.0
A little swelling is normal.. But check it for cracks. This is how they fail often.
210 degrees on a Renix Cherokee is the normal operating temp. The electric cooling fan is set to come on at 210 degrees.
210 degrees on a Renix Cherokee is the normal operating temp. The electric cooling fan is set to come on at 210 degrees.
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