Hi. I have a 2010 Jeep Grand Cherokee with 187,000 miles on it. I bought it for my granddaughter to use to get back and forth to work about a year ago. She takes it in for regular oil changes every 3,000 to 4,000 miles. She had about 4,000 miles on it since her last oil change and her oil light came on briefly and went off. Neither of us know much of anything about cars, but I told her she should get it in to get the oil changed as soon as she could. She called me later and said her car was making an awful noise. She was not far from her moms house, so I told her to drive it there and check the oil. When she did, it was empty. I had her add oil, but it was still making the awful noise. I had it towed to the mechanic. When they checked it, they said it had been leaking oil. They stated that they were 90 percent sure that the leak was from the oil filter and asked who did her last oil change. They said it was due to the oil filter not being tightened properly after her last oil change.
Ended up putting a junk yard engine in for $4,000. I talked to the owner of the oil change place and he said there is no way the leak was from the oil filter not being tightened because that would have happened far sooner than 4,000 miles. So my question is, how likely is it that the leak was due to the oil filter not being tightened properly?