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Hi all, new to the forum so hopefully I am posting in the correct location but hoping someone can help with a transmission issue. I am nearing the end of a complete teardown and rebuild of my 5/71 240Z with the Monkey motion F4W71A trans. Finally got the car mostly back together and running, but I am getting an awful clunking sound from what sounds like the transmission that only happens in 3rd gear. 1st, 2nd and 4th all seem relatively quiet, I have maybe noticed a slight noise in reverse. Maybe not surprising considering the car has been sitting for the better part of 15 years prior to the rebuild. Anyway, I do not notice any grinding or trouble shifting for any of the gears, or any noise or vibration in neutral. Assume this is maybe a bad bearing or potentially a problem with the gear itself? Anyone experienced a similar issue?
I was not able to get a good sound clip, however I did pull the transmission yesterday and plan on rebuilding it myself, which brings me to my other question on the rebuild kits. It sounds like the parts are expensive/hard to come by for the A type boxes, I did find a bearing kit (https://www.datsunparts.com/1049) that says it is for both the F4W71A AND FS5W71A that was apparently the 5 speed used in the 2000 Roadster? Is this the same FS5W71A used in the 280Z, and if so would a kit like the one here https://www.drivetrain.com/nissan-fs5w71-synchro-kit-07-nissan-fs5w71-synchro-kit-dts-bk104 work for the F4W71A? If that is the case the parts seem readily available and fairly cheap from drivetrain.com, but maybe I am missing something.
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https://www.classiczcars.com/forums/topic/65651-transmission-noise-in-3rd-gear-f4w71a/Share on other sites