If you are more specific about your problems about the doors and hatch glass, we might be able to give you more useful advice. You said the rear hatch doesn't lock. Do you mean it doesn't close? From what you said about moving the metal latch, I think you do. Does the hatch button on the dash indicate the hatch is open by the red light?
Do you have automatic locks or manual? Do all of them not work? Do they work when you lock them by hand? Do they feel funny or make noises when you do? Same questions for when you use the auto locks. Do the doors open from the inside, outside, both, or none?

If I were you, I would replace all 4 shocks if they haven't ever been replaced. It will make a huge improvement in ride. Check the rear shackle bushings for wear too. Use OEM Isuzu brake pads and get the rotors turned so you won't have to fool with them for a very long time.

And the EBAY bumpers fit fine, but the paint looks good for only 4 months or so (I have one). Be prepared to spray paint it in a little while.

x2 on the no split boots. Get mecatechs so you don't have to worry.

Good Luck!

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