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Mustang Forums
2011-2014 Mustangs
Driveline/Suspension
Very annoying high pitch whine after driveshaft installation, HELP pls.
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<blockquote data-quote="jojobee" data-source="post: 13204170" data-attributes="member: 138089"><p>Hi guys,</p><p> </p><p>I recently installed a one piece aluminium driveshaft to my ride and did the transmission fluid swap at the same time. I also did BMR relocation brackets.</p><p> </p><p>Immediately after leaving the shop i said to myself hummm my ride was quieter before, at that time i was thinking it was the relocation brackets.</p><p> </p><p>I hear a high pitch whine that seems to be coming from the trans/driveshaft area. It doesnt seem to be coming from the rear.</p><p>The noise appears as soon as the car moves forward and definetly increases a lot when i give it some gas and accelerates. It seems to almost disappear when i lift my foot from the gas.</p><p> </p><p> </p><p>Now that i have driven the car for a few weeks, the noise is driving me crazy cause at low speed with the windows open i feel im driving a futuristic vehicle <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p> </p><p>I am eliminated the relocation brackets as the root cause since this is not a road noise.</p><p> </p><p>I have swapped back my tranny fluid thinking it might have been the cause without success. The Amsoil fluid did not cause my trans to start whining.</p><p> </p><p>I have asked my shop about my pinion angle and was told they set it up at -2.</p><p> </p><p>I have also read that some aluminium driveshaft will increase noise coming from the trans. I never heard any noise with my stock ds but the design is different and is built to absorb noise.</p><p> </p><p>I have also driven the car hard at high speed and there is no vibration coming from the aluminium driveshaft.</p><p> </p><p>I contacted Dynotech and they responded that a faulty installation wouldnt cause the whine but mostly vibrations if that was the case.</p><p> </p><p>At this point i am about to either bring the car to the dealer to check the trans or put back the stock one in place.</p><p> </p><p>What do you suggest i do ? </p><p>I am sure my dealer will say its fine or its you mods creating the issue.</p><p>(they're the same ones who took 30h to diagnose a bad cps sensor on my car..)</p><p> </p><p>To say im pissed about all the issues i've had with this car is an understatement.</p><p> </p><p>Need ideas if i end up at the dealer and they starts arguing.</p><p> </p><p>Sorry for the long rant but im out of ideas at this point.</p><p> </p><p>Thanks.</p></blockquote><p></p>
[QUOTE="jojobee, post: 13204170, member: 138089"] Hi guys, I recently installed a one piece aluminium driveshaft to my ride and did the transmission fluid swap at the same time. I also did BMR relocation brackets. Immediately after leaving the shop i said to myself hummm my ride was quieter before, at that time i was thinking it was the relocation brackets. I hear a high pitch whine that seems to be coming from the trans/driveshaft area. It doesnt seem to be coming from the rear. The noise appears as soon as the car moves forward and definetly increases a lot when i give it some gas and accelerates. It seems to almost disappear when i lift my foot from the gas. Now that i have driven the car for a few weeks, the noise is driving me crazy cause at low speed with the windows open i feel im driving a futuristic vehicle :) I am eliminated the relocation brackets as the root cause since this is not a road noise. I have swapped back my tranny fluid thinking it might have been the cause without success. The Amsoil fluid did not cause my trans to start whining. I have asked my shop about my pinion angle and was told they set it up at -2. I have also read that some aluminium driveshaft will increase noise coming from the trans. I never heard any noise with my stock ds but the design is different and is built to absorb noise. I have also driven the car hard at high speed and there is no vibration coming from the aluminium driveshaft. I contacted Dynotech and they responded that a faulty installation wouldnt cause the whine but mostly vibrations if that was the case. At this point i am about to either bring the car to the dealer to check the trans or put back the stock one in place. What do you suggest i do ? I am sure my dealer will say its fine or its you mods creating the issue. (they're the same ones who took 30h to diagnose a bad cps sensor on my car..) To say im pissed about all the issues i've had with this car is an understatement. Need ideas if i end up at the dealer and they starts arguing. Sorry for the long rant but im out of ideas at this point. Thanks. [/QUOTE]
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Driveline/Suspension
Very annoying high pitch whine after driveshaft installation, HELP pls.
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