There's plastic ducting that brings the air from the central unit to the left and right... you may have a duct that has dropped down... Or, leaves have been known to make their way in to the heater core... thus blocking airflow...


1995 Trooper LS auto 3.2 DOHC /w SOHC intake
1989 Trooper 2.6 auto
1989 I-Mark RS DOHC 1.6
1991 Stylus XS DOHC 1.8