I'm PISSED!!! Replaced the A/C compressor on my car. Took it to the local JIFFY LUBE to have the system evacuated. I go back in an hour and pick up the car. Come home and lift the hood to recharge.......the hood hits me in the head. I CAN'T GET THE HOOD TO STAY OPEN!!!!!! The hood was working properly the day before. It stayed open for 5 hours by itself when I adjusted valaves and cleaned injectors. I called and *****ed and scheduled an appointment at the not so local dealer bodyshop. i can't find anything wrong (visually) with the hinges. What the hell is going on??

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'85 300SD (formerly california emissions)
'08 Chevy Tahoe
'93 Ducati 900 SS
'79 Kawasaki KZ 650
'86 Kawasaki KX 250
'88 Kawasaki KDX200
'71 Hodaka Ace 100
'72 Triumph T100R

Why on earth would you trust your car at a place called Jiffy Lube? Hell, I don't even live in the US and they sound dodgy.

I hope you don't trust them with your Ducati

You probably have a broken hood spring. If so, check the hood with a magnet to see if it is steel or aluminum. There are two different springs used depending on the hood material.