Semi-Loud grinding noise after inspection
so where to start...
Recently took my 1999 Grand Cherokee (Laredo) 6cyl. 4.0L to get an inspection done because it was past due. Basically, the jeep was running perfectly before the inspection, no noises, ran silent and strong. everything functioned perfectly.
The Mechanic went through his inspection routine checked all the lights, horn, caty converter... etc. He did Lift the whole truck up on one of those large cylindrical jacks. (At least 6 or 7 feet in the air). He checked around on underside a bit then passed the truck.
Now for the bad part. Immediately after the inspection as I drove away from the lot, I noticed it making semi-loud grinding noises. I don't really notice it in first gear but as soon as it shifts to second and up, it starts grinding and making obnoxious noises of varying sounds that relate to grinding and knocking. The loudness does vary and change depending on rate of acceleration. Once a steady speed is reached the noises remain at a constant rate. Not very loud but definably noticeable.
I cant really pinpoint the location of the noises but If I had to guess, I would mainly say it's coming from the front end... if this helps at all.
Any help would really be appreciated. I don't know if the mechanic did any thing to cause this problem or if it was maybe the complete lift of the car. Either way, I am very confused as to how this happened and started.
Thanks in advance everyone!