Painted some piecse for my truck, like bumpers and some plastic. Have some small areas of lifting on some of the pieces. I think my problem was that I didn't wait long enough after cleaning with w\g remover before applying my base coat. The parts have 2 coats of clear on them. From what I've read, I can sand down the problem area and 1000 wet sand entire part. Reapply primer, bc, and clear on problem area and then re clear entire piece. Is that correct? Any other advise or pointers.

Also I'm afraid that spot repairing with cause a ring around repair area. The paint is red so I know that shouldn't be the case.

P.s. Beginner hobbyist painter, with no formal education.

Thanks for the help

Are you sure you didn't wait for your base to dry well enough? Wax and grease remover evaporates pretty fast generally in most tempatures. Anyways if what you say is correct the only thing that should be lifting is your base and clear. That being said I'd feather is down with 400, 1000 the rest of bumper or whatever part . Spray sealer over the 400 repair a little wet so you don't even have to deal with primer . Then blend your base and re clear

The base lifted not the clear. I could see a little before I cleared and thought it would look ok but it doesn't.

What would have caused the base to lift in some spot and not others from the primer. I 320 wet sanded the primer. Should I have done something else.

Can you post pictures?

Tomorrow I will

Starting from the beginning tell us exactly which products you used. Also were you down to raw plastic on any of this?

I'm using basf limco primer, paint, and clear. Started with a coat of bulldog adhesion promoter. Then 800k 2k surface primer with either a slow or medium hardener, can't remember. Wet sanded with 320. 2 coats of limco supreme plus base and 2 coats of clear. After the first coat of base I saw the lifting. I didn't clear the really bad pieces. One thing that could be an issue with the really bad pieces was they are plastic chrome plated. I sanded with 180 but it seemed to only scuff it. The rest was raw plastic or sand blasted metal.

Now that there are small spot of lifting, will that affect the rest of the paint or when I repair them will the paint be solid?

Thanks

Some of the pieces look like the primer cracked. Does that mean poor adhesion or didn't wait long enough before the base coat? I waited about 3 hours with shop at 55 degrees. Tech sheet said 30-45 in 65 degrees.

It looks to me like you didn't allow the primer to flash long enough before applying the second coat. Solvents were trapped until the base coat solvents softened the primer enough in those areas for the trapped solvent to escape. That's why you saw it start lifting when you applied the base.
In the future save yourself a lot of time and money but stopping immediately when you see something isn't right.