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Austinsevenfriends
Engine 'tinkle' - Printable Version

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Engine 'tinkle' - A7novice - 24-09-2023

My 1933, 2 bearing Engine is running fine.
However, on tickover, I get a random 'tinkle' noise, appearing to be somewhere from front of engine. Pretty sure it's not preignition, still there when I fully retard A/R lever. I know its a long shot, but anyone any idea what it might be.

RE: Engine 'tinkle' - Chris KC - 24-09-2023

I haven't heard 'pinking' for years, modern fuels don't seem to do it. It would normally happen under load e.g. slogging up a steep hill in top and sounded rather like a wine glass breaking. I'd suggest to start by eliminating simple things like the fan assembly (try removing the fan belt) or starting handle.

RE: Engine 'tinkle' - richard wyatt - 24-09-2023

starting handle?

RE: Engine 'tinkle' - Tony Press - 24-09-2023

(24-09-2023, 10:51 PM)richard wyatt Wrote: starting handle?

Beat me to it  Tongue

RE: Engine 'tinkle' - David Stepney - 25-09-2023

Could also be the fan. The bush doesn’t have to have much play in it to make a noise. Takethebelt off and see if the noise goes away.

RE: Engine 'tinkle' - Malcolm Parker - 25-09-2023

It could be the bendix spring on the starter motor not seating properly.

RE: Engine 'tinkle' - Mogens - 25-09-2023

My best bid.  Too much backlass in cam/dynamo gears. If it is less tinkling  with full/winter charge .

RE: Engine 'tinkle' - Reckless Rat - 25-09-2023

First, take the fan belt off. If it's still tinkling then it's likely to be the starting handle. Take off the handle. If it's still tinkling, buy ear plugs.

RE: Engine 'tinkle' - Rick F - 25-09-2023

My '35 APD had exactly the same problem. Cured by replacing the fan belt pulley shaft/bearing with a less wobbly one.

RE: Engine 'tinkle' - Andy Bennett - 25-09-2023

Mine was also the starting handle brass bit vibrating happily to itself.
Not many things on an Austin 7 that can be fixed with a bit of sheep's wool taken from a barbed wire fence Smile