Grinding Sound from Rear
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From: Calgary
Grinding Sound from Rear
Morning/Afternoon Everyone,
There are a couple new sounds that my car is making that I've not heard before, or even heard described on here.
Sound #1:
There is a slight grinding sound coming from the rear of my car. The best way I can describe it is that it sounds like a seized e-brake but there isn't any drag on the car so I don't believe it's that. I can be on a very slight incline and if I take my foot off the brake it will roll, and when coming to a stop, there is no abruptness in the final complete stop that I've felt with seized brakes in the past. Is this what bearing sounds like when it's on its way out?
Sound #2:
Another sound from the rear of the car. 4.77 in a stock housing was swapped onto my car about a month ago and it's been working great. Last week I started hearing a sound when I'm around 55-60mph and above with my foot on the throttle only at about 10-15%. The nature of the sound REALLY reminds of me an intake-related sound, but it's not coming from the front, and it's lower in tone than the high-pitched intake chirp (that I also have, but am accustomed to). OHHHH something just occurred to me! There is a slight leak in the weld at the rear of my cat, on the rear pipe side of the flange. It's a Comptech and it's only leaking a little but maybe that is where it's coming from!
Any ideas about the cause of either one? I decided to put the car through it's paces and see if anything broke at the other day and it's still holding up, so
Guess that wasn't the smartest but I didn't have time for a huge diagnosis and I wasn't about to miss a track day over something that had no noticeable affect on the safety or performance.
Mikey
There are a couple new sounds that my car is making that I've not heard before, or even heard described on here.
Sound #1:
There is a slight grinding sound coming from the rear of my car. The best way I can describe it is that it sounds like a seized e-brake but there isn't any drag on the car so I don't believe it's that. I can be on a very slight incline and if I take my foot off the brake it will roll, and when coming to a stop, there is no abruptness in the final complete stop that I've felt with seized brakes in the past. Is this what bearing sounds like when it's on its way out?
Sound #2:
Another sound from the rear of the car. 4.77 in a stock housing was swapped onto my car about a month ago and it's been working great. Last week I started hearing a sound when I'm around 55-60mph and above with my foot on the throttle only at about 10-15%. The nature of the sound REALLY reminds of me an intake-related sound, but it's not coming from the front, and it's lower in tone than the high-pitched intake chirp (that I also have, but am accustomed to). OHHHH something just occurred to me! There is a slight leak in the weld at the rear of my cat, on the rear pipe side of the flange. It's a Comptech and it's only leaking a little but maybe that is where it's coming from!
Any ideas about the cause of either one? I decided to put the car through it's paces and see if anything broke at the other day and it's still holding up, so
Guess that wasn't the smartest but I didn't have time for a huge diagnosis and I wasn't about to miss a track day over something that had no noticeable affect on the safety or performance.Mikey
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