Question about 1988 Jeep Wrangler
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Posted on Jan 02, 2017
SOURCE: 1989 jeep yj no heat
Under the hood on the pass. side firewall are two heater hose lines.
Start the car and let it get at normal operating temp. One of the hoses
is the "in" to the heater core, if you touch it it should be hot. The
other hose is the "out" of the heater core, this hose should be warm
and not really hot like the "in" hose. If the hose going in is hot and
the other cold, then your heater core is clogged. There is a valve
connected inline with one of the heater hoses, this is the heater
If the valve does not open, you will not have any heat either.
Posted on Dec 10, 2008
SOURCE: No Heat 1988 Jeep wrangler
any time you do not have hot water in the hoses to the in side of the vehicle, your water has quit either due to you having only water in the system and it froze in the winter and you started it . or the propeller just broke of old age. make sure u dont have a check valve in the hoses going to the heater core in side the car. valve would be under the hood somewhere in the duration of one of the two hoses, which is the feed. this should do u good
Posted on Feb 07, 2009
It should be 200 degrees. If your running cold the only thing that regulates temp is the thermostat. If it is indeed 150 degrees thats why you have no heat.
If you replaced the water pump and the radiator for this condition then it was a waste of money. If you had a water pump or radiator problem it would overheat.
The fact that your blowing cold air tells me the that you really are 150 degrees or the heater core is plugged.
Posted on Mar 10, 2010
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