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AW4 noise
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<blockquote data-quote="Chilkat" data-source="post: 481506" data-attributes="member: 9075"><p>I've got a noise coming from my AW4 transmission. The noise has been present since the beginning. The transmission is a new to me unit, but I think it had over 100k on it when I got it for $100.</p><p></p><p>My drivetrain is a turbo charged 2rz/Aw4/D300. Fluid looks good (atf +4), new filter, big cooler with fan, no leaks and the transmission works flawlessly, but I am always wondering what this noise is.</p><p></p><p>1st gear only, low range (2.72) the transmission make is whirring or high pitch humming sound sorta like. EEEEEEEEEE, that's right, sounds like the trans is just saying the letter e continuously. Seems to be intermittent and goes away in 2nd 3rd and 4th gear, whines a little louder after the trans has warmed up. The sound doesn't really get worse with acceleration, but I think it actually goes away, or overpowered by all the other noises. The noise isn't super loud, but I sit right next to the trans in my crawler, so I hear every little sweet nothing it whispers. Any idea? Torque converter? <img src="/styles/default/xenforo/smilies2/dunno.gif" class="smilie" loading="lazy" alt=":dunno:" title="Dunno :dunno:" data-shortname=":dunno:" /></p></blockquote><p></p>
[QUOTE="Chilkat, post: 481506, member: 9075"] I've got a noise coming from my AW4 transmission. The noise has been present since the beginning. The transmission is a new to me unit, but I think it had over 100k on it when I got it for $100. My drivetrain is a turbo charged 2rz/Aw4/D300. Fluid looks good (atf +4), new filter, big cooler with fan, no leaks and the transmission works flawlessly, but I am always wondering what this noise is. 1st gear only, low range (2.72) the transmission make is whirring or high pitch humming sound sorta like. EEEEEEEEEE, that's right, sounds like the trans is just saying the letter e continuously. Seems to be intermittent and goes away in 2nd 3rd and 4th gear, whines a little louder after the trans has warmed up. The sound doesn't really get worse with acceleration, but I think it actually goes away, or overpowered by all the other noises. The noise isn't super loud, but I sit right next to the trans in my crawler, so I hear every little sweet nothing it whispers. Any idea? Torque converter? :dunno: [/QUOTE]
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