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powderfinger

720 transmission noise

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Any chance this noise is a throw out bearing? It only does it when I am either letting the clutch out to take off or sometimes it will do it the entire time the clutch is pressed in. It seems to it more often when in reverse. Once the clutch pedal is no longer pressed the noise goes away which makes me think it's the throw out bearing.

 

<blockquote class="imgur-embed-pub" lang="en" data-id="a/tH9PAjn"><a href="//imgur.com/a/tH9PAjn">Nissan720-transmission-noise</a></blockquote><script async src="//s.imgur.com/min/embed.js" charset="utf-8"></script>

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not sure if anyone can even get to this video, I put it on imgur. First time i have used the site. If you can get to it sorry for the beagle barking in the background.

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When everything is working as it should, when the clutch pedal is down with the engine running, there should be nothing in the transmission turning. The release bearing will have a huge load on it from compressing the pressure plate. Another source of noise would be the pilot bushing, which is turned by the engine, while the input shaft inside it is not. 

 

I'll wait till you sort the video but right now they both should be replaced.

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there is a small icon on the bottom right of the video you have to click to enable sound. Also ignore me trying to shift into reverse a little early :-)

Edited by powderfinger

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Ok got it. Had to scroll down to find it.

 

Release bearing

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Be sure to change the pilot bushing at the same time. It's most likely the release bearing but the pilot can be noisy also. If these were easy to get at it wouldn't matter but they aren't so do both.

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tenor.gif?itemid=6103373

 

..... that was fast.

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