Well - I just experienced one that makes you go WTF.
I have an early production 1986 GT hatchback factory air car and my son has a late production 86 ragtop with factory air
To change the heater core in my car without dropping the heater box out all I've ever had to do is remove the heater hoses then loosen the dash up and reach behind and pop the 2 7mm screws out. I had to nip 1/4" by customizing the lid but I can lift the top cover and pull the heater core out no problem.
Meanwhile on my son's car I had to pry the heater box as far down as possible just to get the sound deadener out and I doubt I'll ever get it back in! The lid will barely move upward at all!
I finally forced the lid up as far as possible the folded the flange on it over then cut the heater box even with the lip the heater core rests on.
My question - why was this SO much harder on the ragtop car?! Are their heater boxes mounted higher or have different lid, etc?
Also - before anyone gives us there is any crap about cutting the box, it's a daily driver with working AC
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