After refilling (probably overfilling) my A/C, I started hearing a howling noise from the engine. This was weeks ago. The howling would start once the car warmed up. Tapping on the accelerator would stop or start it. I felt all the auxiliary belt pulleys, feel fine, and changed out the belt tensione...

I drive a 97 850GLT long distances. Over the past few months, doing around 70 mph, the car feels like it jumped out of gear for a split second before it starts pulling again. The RPM gauge doesn't move. In a hard climb it does it more often. And the check engine lights flash. Bad vacuum? I haven't r...