The rear ends all have the same part number. The rear end is one complete unit compromised of many parts. No matter what part you buy for the car, the part number will always be the same. If the part number is different, then the part is different.
You are incorrect in your assumption it is the nature for these rear ends to be loud. Mine is as quiet as a church mouse. Every car or truck I have ever owned in my life was never loud. The car manufacturer does not build a car to be noisy. If there are noises coming from the rear it is not normal. Dana built a bunch of bad rears, some guys who have had their rears replaced got bad rears again. Some took 2 or 3 rears installed before they got a rear that was quiet.
I have ridden in many performance cars and have not experienced loudness coming from the engine, transmission or rear end. The easiest thing one can do is dismiss it as normal and forget about it.
My replaced rear got noisy a while after it was installed. That problem turned out to be a break down of gear oil viscosity. Had I dismissed it as a "normal" loud noise eventually heat would have gotten to the gearing and turned a simple fix into a major deal.
GM opted to replace rears, if the noise was normal, they would not have spent the money to fix a potential "non problem."
I liked my GTO but I was not willing to go through 3 rears to find a good one.
After all it isn't like its a simple task to change them. Since it requires droping the craddle each time which in turn nessesitates a alignment. Which unless your dealership uses expensive alignment tools that attach to the hub or elsewhere you get a nice paint scuff on your wheel in four spots each time.
I am a perfectionist when it comes to my vehicles and will not deal with that much BS to get what I should have gotten to begin with.
As for noise all differentials make a noise be it one we hear or not. You can tune most of the audible ones out with a damper on the axle housing or driveshaft.
I liked my GTO but I was not willing to go through 3 rears to find a good one.
After all it isn't like its a simple task to change them. Since it requires droping the craddle each time which in turn nessesitates a alignment. Which unless your dealership uses expensive alignment tools that attach to the hub or elsewhere you get a nice paint scuff on your wheel in four spots each time.
I am a perfectionist when it comes to my vehicles and will not deal with that much BS to get what I should have gotten to begin with.
As for noise all differentials make a noise be it one we hear or not. You can tune most of the audible ones out with a damper on the axle housing or driveshaft.
I like you am a fanatic with respect to care. I was real hesitant on having mine removed. It took a few hours and then an alignment. My worries were laid to rest. I have heard of not so fortunate dealings too.
Dana has had MANY warranty problems over there years, some of that led to their filing for bankruptcy, along with CEO's bleeding the company...yada yada yada... I know many who have lost 10's of thousands in Dana stock. I watched their stock plummet, I sold my stock when they restructured and made money.
With quality people losing their jobs.... well....... quality went with them.
With the way things are anymore does a good part really exist anymore?
Getting what you paid for and brand names don't seem to really matter with the GTO or most cars these days.
I was pissed when I got my Vette and the steering wheel was just a little off center. I wasn't thinking how simple of a fix it was I was thinking dammit what rack will my car fit on and hope they don't f-up my wheels.
I noticed today that when I eased off the goat she had a noise in the rear, but it didnt sound bad, it sounded like a bunch of power trying to slow down and ready to be launched at any second. I've always noticed a slight noise since mine was new. Year later and have 1,076 miles!
I noticed today that when I eased off the goat she had a noise in the rear, but it didnt sound bad, it sounded like a bunch of power trying to slow down and ready to be launched at any second. I've always noticed a slight noise since mine was new. Year later and have 1,076 miles!
I've been though 2 rear ends, they both whined. These rear ends are just noisy, even my "updated" new rear end whines. You can put some Torco RGO 85w140 gear oil with a bottle of Torco FM to try to quiet it down. I do not suggest using Royal Purple IMO.
I noticed a slight whine when the car slows (letting off the gas completely or using the brake) down only in the range of 50 to 40 mph. I have 15,000 miles on the car and was wondering if anyone has a similar problem and what you decided to do.
This may be related to reared whine but some of the members of this post say that it happens when they accelerate in the 40 - 50 mph range.
Should a flag be raised the next time I see the dealer?
Thanks,
Pat
This might sound crazy, the sound you are hearing might be coming from your tires. Last year my car [ A/4 ] would make sort of a whine when slowing down. it drove me crazy. Turned out to be low air pressure in one rear tire
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