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Noisy Clutch

Hr Holden, 161, three speed crash box. Noisy clutch when the clutch is disengaged however disappears when clutch is pushed in. Slight wine/rumble noise. Any advice? Can it be adjusted or possible through out beating? Do engines need to be removed to work on clutch?
Thanks in advance

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Not the clutch, more likely gearbox
Could be front bearing, they do break in half.

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Thanks mate. Is this a big job?

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To get the box out when you have never done it, maybe 1 hour after it is up on ramps, providing you have the right tools.

Disconnect battery, remove starter.

Undo rear uni, pull tailshaft from box and catch the oil in a container.
Even better drain the oil first.

Disconnect clutch rod or slave cylinder, cannot remember what they had, slave cylinder I think.

Undo rear gearbox mount then remove cross member from rear of box.

Box is now hanging so undo bolts around bell housing with extension socket and maybe uni drive (cannot remember)

Slip box out toward rear and down.
As a young man I used to do all this on my own, but you may ?? need assistance.

If I had the box in front of me on a bench, rebuild with a kit maybe 2 hours at my age but I have done them before although it was 1967 last one I did.

Check clutch, fly wheel for wear, and replace throw out bearing as well.

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These are light and easily lowered from the engine and easily lifted back into place. The three speed all synchro is a lot heavier.

If it's the original HR box with the removable tinplate cover, you don't need an alignment tool for the clutch plate. Put the pressure plate and clutch plate onto the mainshaft when reinstalling the gearbox, bolt the gearbox back to the motor then slide the clutch plate and pressure plate into position and bolt them down.

Having firstly greased the spigot bearing and the mainshaft spline with appropriate grease.

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T

My Shed

Holdenpaedia, they're the brakes Mate.

the noise will be the throw out bearing common in early holdens

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Can this be adjusted or needs replacing? Can throw out bearing be replaced easily?

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You say the noise disappears when clutch is pushed in, and that is when throw out bearing is under pressure, and the input shaft to box is not spinning..
Box out for both, so check gearbox while it is out.
Not a big job but need to be on ramps.

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Just an additional note here - I have assumed that you are saying you get a noise when engine in neutral, idling and you release the clutch pedal. In this scenario the clutch is engaged - its always engaged unless you depress the pedal but your original Q may be a bit confusing. If your noise occurs when you disengage the clutch - ie you have depressed the pedal then the throw out bearing or spigot bush would be the first things to check.

I have exactly the same problem and posted a couple of times seeking ideas.. I put in a new clutch plate pressure plate and throw out bearing last year - maybe 1000km if lucky - I have the noise now but not before I replaced the clutch or just after - I replaced the clutch because it was slipping due to original pressure plate failing. I did not replace the spigot bush though and realise that I probably should have. I checked and adjusted the throw out bearing recently (worth checking just remove the cover plate and make sure that the throw out bearing is not touching the pressure plate fingers - you can adjust it - there is a locknut and then I used a hex key which I cut down a bit so it would fit easier - no need for a special tool) so with pedal released there is not contact with the pressure plate but noise remains (in neutral clutch pedal released} - push clutch pedal in noise goes away. I believe a correctly adjusted - but noisy throw out bearing will be more likely to make noise with the clutch pedal pressed in as thats when it is actually in contact with the pressure plate. When the gearbox is in neutral and clutch pedal released the input shaft and crankshaft are rotating at same speed so there isn't relative motion between the input shaft and spigot bush ---so I'm thinking its possibly noise in the gearbox - the gearbox is light and easy to remove - as another poster states need enough ground clearance... I topped up gearbox oil as well with no improvement - I've just decided to leave it as is for the time being...if its the throw out bearing (then its just noisy when free wheeling and not under load - so more a minor annoyance than a problem?) then I assume if it continues to wear I will get the noise eventually when I put the clutch pedal in....if you remove the gear box and replace any bearings/gaskets you can replace the throw out bearing as well. In that case it;s worth getting a good quality one - I used the one in a low priced clutch kit. If when the gearbox is out you may want to consider changing the clutch plate and pressure plate as well - if you don't know the history - or you can take it off and inspect it as well as flywheel surface...while you are there you could also change the spigot bush/pilot bearing...

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Andrew

you can verify its gearbox bearings as i suspect it is, by easing out the clutch til you can get the noise to JUST start - easier to do than to explain in text.

sounds like a gearbox re-kit in order.

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T

My Shed

Holdenpaedia, they're the brakes Mate.

Cheers guys

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