I recently completed a heater core replacement on my 89 thanks to the detailed instruction found on FEP. I took my time and tried to not get discouraged. I did my 92 a few years ago. Most of the screws were torx bit heads with a large washer built in.

The were 4 Phillips screws with a washer at the console to the dash. These were also hard to break loose.

When I was done, I had 2 round headed Phillips head screws left over (Plastic course threads). Everything else was back together with all the remaining screws. I might have not gotten every screw back in the exact slot but right type in right material.

Any ideas where there screws need to go? Only set of 2 matching screws. I do believe the dash has never been apart before.