I have a 1984 TA with a weeping heater core. I disconnected the core from in front of the firewall witha loop around early this summer - but now it is cold and I need to install the new one I have purchased. This evening I took off all of the lower panels, the dash, the guage console, the center console, and all of the switches connected thereto( rear defrost switch & headlights ) What I have found is that I cannot seem to take off the plastic dash support / air router that runs from left to right across the entire passenger compartment. It seems as if I'll have to drop the steering column to facilitate this. It also looks as if the plastic support structure is riveted to the metal frame. Do I need to grind these off and re-attach them when I'm done. It looks like at one time someone took a recip saw and replaced the section over on the left by the light swith female adapters. Does anyone know how to go about this? Where can I go online to find further information. Can someone fax or email be the GM/Pontiac dealer manual pages?.......Frustrated in Nashville.

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TA Inov8r
1984 5-Speed TA

 

just did that job 3 month ago follow the metal braces with rivets in them to 10mm bolts that hold support to car. The steering colum does have to be dropped... the dash support goes under those bolts. and you could remove the vent piping by removing the dash speakers first and look 7 or 8mm screws that hold them down some are located inside the vent outlets should take about 8 hours

 

ouch, I'm glad I have a camaro then. Only took me about an hour to replace mine.