Where is the port to add freon on a 96 grand am and you can not find compressor it 3100 engine?

On a 1996 Pontiac Grand Am with a 3100 engine and a missing compressor, locating the refrigerant ports to add freon is difficult because the low-pressure port is typically on the compressor itself. Since the compressor is missing, you won't find it there.

Without the compressor, you can't safely add refrigerant. Adding refrigerant without a compressor will simply cause a leak and you'll lose the refrigerant. It's also possible that the missing compressor is indicative of a more serious problem in the system.

Before attempting any repairs:

1. Find the compressor: Look very carefully around the engine bay. It's usually near the front on the passenger side (but could be slightly different depending on specific options and model). Sometimes parts of a broken compressor remain, which can be a clue to its location.

2. Inspect the lines: Carefully examine the AC lines (high and low pressure). Look for any obvious damage or leaks. You should be able to visually trace the lines to see where they might have been connected to the compressor.

3. Professional help is recommended: If you can't locate the compressor or have any concerns, it's best to take your vehicle to a qualified automotive AC technician. They have the tools and expertise to diagnose the problem and repair it safely. Trying to fix it without the compressor and proper knowledge could lead to further damage or injury.