Luke warm heat

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12-16-2016, 04:29 PM

#16

Waynerd

CF Veteran

Join Date: Jan 2015

Location: North canaan Connecticut

Posts: 1,469

Received 26 Likes on 26 Posts

Year: 01, 99, 98, 98,98

Model: Cherokee

Engine: 4.0

Actually when the thermostat is closed the coolant flows through the heater core only. The thermostat only controls flow through the engine block.

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12-16-2016, 07:15 PM

#17

bigvig

Senior Member

Join Date: Nov 2009

Location: Maine

Posts: 904

Received 3 Likes on 3 Posts

Year: 1999 Sport

Model: Cherokee

Engine: I6

Aftermarket, yes. Not sure what effect that would have. Ill have to check my blend air door too.

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