Here is a website that helped my change the heater core on my 94 bravada on around 12/15/05: http://www.sytyarchives.com/howto/viewarticle.php?article_name=heater_core.php&dir=climate_controls
To change the heater core in a 1996 Oldsmobile Bravada, first, disconnect the battery and drain the coolant from the radiator. Remove the dashboard components to access the heater core, which typically involves removing the center console and possibly the steering column for better access. Detach the heater core hoses from the engine bay, unbolt the heater core from the HVAC unit, and replace it with the new core. Finally, reassemble everything in reverse order, refill the coolant, and check for leaks.
To replace the heater core in a 1998 Oldsmobile Bravada, first, disconnect the negative battery cable and drain the coolant from the radiator. Then, remove the dashboard and center console to access the HVAC unit. Disconnect the heater core hoses from the engine compartment, unbolt the HVAC housing, and carefully remove the old heater core. Install the new heater core in reverse order, ensuring all connections are secure before reassembling the dashboard and refilling the coolant.
around 1000 dollars but i did my friends for 500 and took about 4 hours call 773-780-6172
How do you change the heater core on a 1989 Oldsmobile Cutlass Ciera? or where can I get the Info on replaceing it
how do you replace a heater core in a 91 Oldsmobile 98
mercury villager heater core 2001
how do you get to it
Replacing heater core on a 2001 chevy,cavaliar.
It is located underneath the dashboard right behind the center console. 11/16/2011 -Dennis.S.-
how do i replace a heater core in a 2001 Chevrolet blazer
To replace the heater core in an Oldsmobile Silhouette, start by disconnecting the battery and draining the coolant. Remove the dashboard by taking out the necessary trim and screws, then detach the heater core cover. Disconnect the heater core hoses from the engine compartment and remove the old heater core. Install the new heater core, reassemble the dashboard, reconnect the hoses, refill the coolant, and reconnect the battery.