ImADonkeyOnTheEdge Posted November 23, 2021 Report Share Posted November 23, 2021 I am currently working on my In-Law's 2013 Edge 3.5 AWD. They don't really take care of this thing so I am at a point of well there are a million possibilities. So basically the problem is that when accelerating from a stop while turning hard left, you could feel what felt like the wheel was binding and you could hear a bad metallic scrapping and grinding noise. Nothing happens on a straight or right hand turn. I noticed that the wheel bearing WAS in fact bad so I told them to start there. So I got the part and installed a new bearing AND hub just because I don't trust anything that they own. Now that I've replaced that, the vehicle still makes the noise but the binding seems to be much better (oddly enough). Now for the annoying part, I know that their strut bearings are bad the vehicle isn't very well taken care of so I don't know when the last time the transmission was serviced, or if it has ever been taken care of, and when I have the vehicle in the air I can hear a slight noise from the PTO with a screw driver as a stethoscope but since there is no load on the vehicle the noise doesn't seem to be present and only the right wheel turns at idle with it in Drive. The left wheel will move for a second and then stop and repeat. I don't think it is coming from the transmission but I haven't been able to get a pair of chassis ears on it because of my work schedule. I was wondering if the PTO would make it bind on a left hand turn, since it is on the right side of the transmission. I would think that it would cause it to bind on a right hand turn but not a thing happens. I will post a video with the noise tomorrow when I have some daylight to see what I am doing. Quote Link to comment Share on other sites More sharing options...
ebank Posted November 23, 2021 Report Share Posted November 23, 2021 My 2011 AWD exhibited the exact behavior you are describing, it was the PTU. Quote Link to comment Share on other sites More sharing options...
ImADonkeyOnTheEdge Posted November 23, 2021 Author Report Share Posted November 23, 2021 22 minutes ago, ebank said: My 2011 AWD exhibited the exact behavior you are describing, it was the PTU. Thanks for the speedy response. I was afraid of that. I’m going to pull some fluid from the PTO and the transmission and send it off to be tested before I tell them anything. Like I said they don’t take care of their cars so for all I know, they’ll actually get the PTO and then the transmission will be bad too. Quote Link to comment Share on other sites More sharing options...
DILLARD000 Posted November 23, 2021 Report Share Posted November 23, 2021 (edited) Drain\Suction old GearOil from the PTU. ReFill with 16oz~18oz of AmsOilSevereGear# 75w140 or SAE250. It may be too late to save it, but can try this as last resort. These PTUs are simply mounted too close to exhaust & cats, which cooks the GearOil. Best to change PTU GearOil every 5k~10kMiles along with engine Oil+Filter. Edited November 23, 2021 by DILLARD000 Quote Link to comment Share on other sites More sharing options...
WWWPerfA_ZN0W Posted November 23, 2021 Report Share Posted November 23, 2021 grinding is too late for the ptu. whining is not if taken care of. check fluid condition. Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.