1) disconnectnegative battery cable
2) remove coolant reservoir
3) dis-connect heater hoses from heater core and plug holes in heater core, some coolant will drain out
4) remove mounting bolts and nuts on fire wall
5) remove glove box liner and door
6) lable and dis-connectheater controls
7) dis-connectand remove computer and mounting bracket
8) move radio antenna wire
9) remove kick pannel and un-bolt lower corner of dash
10) remove screws and nuts holding the housing inside the cab
11)remove the heater housing from the vehicle
12) detatch the core retaining straps and remove the heater core
13) installation is this procedure in reverse
I hope that this fixes your problem good luck and please take the time to rate this response.
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