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Username Post: trans/clutch noise
docjns1
Gold Supporting Member
Posts 82
docjns1
04-26-20 08:44 AM - Post#2792131    

Realizing that many of us focus on those forums/threads that match what we drive, I'm reposting this from the full size forum in hopes of additional info/experience from all you 3 pedal folks...
Got my saginaw 3spd back together w/ all new bearings, tailshaft bushing, needles, blockers, clutch & pilot bushing. After half dozen short runs (about 200 miles total) I pull in driveway, throw it in N, let clutch out and it starts making a noise. Sounds like a bearing noise and is there both driving and idling in N but goes away when clutch disengaged. While driving its consistent with RPMs not road speed regardless of gear. Under car in N its very much bell hsng/front of trans. I've had it out to check input bearing and clutch, both/all seem ok....

a. cluster gear/shaft ??
b... why suddenly after driving a few runs? ( I dont beat on it, no more than 10-15mi hiway, no faster than 70)
c. upside, I'm getting real good at getting it in & out on my back!
Steve
*********
'65 Impala SS, Crocus Yellow/blk
327 / 300 L74
M11 3 on the tree
12 bolt 3.31 open dif

bobb
Super Senior Member
Posts 5630
05-09-20 09:26 PM - Post#2793354    

does the t o bearing touch the clutch?
70 L camino, grampa engine, g-force 5 spd, road rage suspension. Pray first before all else fails.

docjns1
Gold Supporting Member
Posts 82
docjns1
05-10-20 05:29 AM - Post#2793372    

yeah Bob, been down that road thanks. slight rattle there with weaker return spring and my noise doesn't change if I lift on the pedal. Since noise started i've replaced the input/main gear bearing, pilot bushing and now 3rd t/o bearing. More an more I believe it's internal..probably countergear related. I have a line on a slightly used unit from a trusted business acquaintence from 69 Camaro that appears to be same so I'm thinking I'll go that route as he's very reasonable on $$
Steve
*********
'65 Impala SS, Crocus Yellow/blk
327 / 300 L74
M11 3 on the tree
12 bolt 3.31 open dif

bobb
Super Senior Member
Posts 5630
05-28-20 09:07 AM - Post#2795063    

is your bellhousing dialed in? i do mine in 3d, it takes a long time but i think its worth it.
70 L camino, grampa engine, g-force 5 spd, road rage suspension. Pray first before all else fails.

docjns1
Gold Supporting Member
Posts 82
docjns1
07-01-20 07:35 PM - Post#2797683    

sorry for not replying sooner. I went with the used unit, clean and about 40k on it from 2nd owner. Inside was very clean, fresh oil and in it went. Picked it up on a Monday eve, in the car Tues. eve and drove her to work Wed. a.m. No noise and I still have the original to go thru for a spare. Not bad for a c-note!
Steve
*********
'65 Impala SS, Crocus Yellow/blk
327 / 300 L74
M11 3 on the tree
12 bolt 3.31 open dif

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