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Mystery Noise

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Mystery Noise
David Stepney Offline
Cantankerous Welsh Hermit
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Joined: Jan 2019 Posts: 1,609 Threads: 22
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Location: Bala North Wales
Car type: 1933 RP Standard Saloon
#11
28-04-2025, 06:24 PM
Thank you Peter and Malcolm for your suggestion. I will, of course check. However, you will see in my original post that this noise is a distinct light tapping noise that occurs between drive and overrun, exactly when one would expect a big or little end rattle to occur.
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AustinWood Offline
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Location: Scottish Borders
#12
28-04-2025, 10:16 PM
Between drive and overrun is when problems in transmission such as prop shaft occur.
Jim
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David Stepney Offline
Cantankerous Welsh Hermit
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Joined: Jan 2019 Posts: 1,609 Threads: 22
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Location: Bala North Wales
Car type: 1933 RP Standard Saloon
#13
Yesterday, 07:54 AM
(28-04-2025, 10:16 PM)AustinWood Wrote: Between drive and overrun is when problems in transmission such as prop shaft occur.

Interesting. Leon drove the car yesterday for the first time since the engine was overhauled and thought that the noise was in the gearbox.
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Alan Offline
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Location: Cheshire
Car type: Race Ulster, 1926 Special, 1927 Chummy, 1930 Box
#14
Yesterday, 10:10 AM
If it is the gearbox -4speed?? My guess would be excess endfloat in the layshaft bearings.
Alan Fairless
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David Stepney Offline
Cantankerous Welsh Hermit
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Joined: Jan 2019 Posts: 1,609 Threads: 22
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Location: Bala North Wales
Car type: 1933 RP Standard Saloon
#15
Yesterday, 08:27 PM
Yes, Alan it is. It's the crash type 4 speed box.
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Greig Smith Offline
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Location: Port Elizabeth, Sunny South Africa
Car type: '26 Chummy, '28 Top Hat, '33 Type "65", single seaters
#16
Yesterday, 09:18 PM
Check the oil level in the box before doing anything else.

Aye
Greig
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David Stepney Offline
Cantankerous Welsh Hermit
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Joined: Jan 2019 Posts: 1,609 Threads: 22
Reputation: 14
Location: Bala North Wales
Car type: 1933 RP Standard Saloon
#17
Yesterday, 10:42 PM
(Yesterday, 09:18 PM)Greig Smith Wrote: Check the oil level in the box before doing anything else.

Aye
Greig

Already checked, Greig, as part of the service it has had as well as the engine rebore. Filled with 10w/40. Same as the engine.
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