my 98 t/a running hot only with ac on?
my 98 t/a running hot only with ac on? 
09-29-2007, 09:03 AM
#3
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Check your coolant level first. AC puts more load on the cooling system. It sounds like this is enough additional load to cause your car to overheat. This isn't normal so you may need to have your cooling system flushed. Also look at your serpentine belt to see if it is glazed which could let it slip under load. Also look at the radiator to see if it has collected enough bugs, debris ETC. to block airflow through it.
Good luck
Good luck
09-29-2007, 02:43 PM
#4
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Have you ever cleaned out the radiator and condenser? The
fins of both, catch a whole lot of fine debris over time. My '02
with only 30K miles coughed up a whole bunch when we had
them loose for cam swap and blew some air through them
backwards. The single biggest problem is airflow obstruction,
followed by fan settings right behind, because the core is too
skinny for the motor (cheapskate GM phuquers).
fins of both, catch a whole lot of fine debris over time. My '02
with only 30K miles coughed up a whole bunch when we had
them loose for cam swap and blew some air through them
backwards. The single biggest problem is airflow obstruction,
followed by fan settings right behind, because the core is too
skinny for the motor (cheapskate GM phuquers).
10-03-2007, 10:08 AM
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Have you ever cleaned out the radiator and condenser? The
fins of both, catch a whole lot of fine debris over time. My '02
with only 30K miles coughed up a whole bunch when we had
them loose for cam swap and blew some air through them
backwards. The single biggest problem is airflow obstruction,
followed by fan settings right behind, because the core is too
skinny for the motor (cheapskate GM phuquers).
fins of both, catch a whole lot of fine debris over time. My '02
with only 30K miles coughed up a whole bunch when we had
them loose for cam swap and blew some air through them
backwards. The single biggest problem is airflow obstruction,
followed by fan settings right behind, because the core is too
skinny for the motor (cheapskate GM phuquers).
