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Horrible Scraping Sound

mickeytwonames
Posts: 74
Joined: Fri Aug 31, 2018 8:46 pm
Location: pershore worcestershire

Horrible Scraping Sound

Post by mickeytwonames » Sun Dec 01, 2019 3:42 pm

Apologies for coming back to the Forum with a cry for help
Mother-in-law died over the summer all I inherited was her rolling pin
Miss her a lot
Life goes on....

My 1952 Consort has been running great - now done three wedding and two funerals - drove 2500 miles over the summer..

Today rasping sound of metal on metal came from...
Behind the fan belt pulley on the crankshaft at the front of the engine there is a housing inside which revolves a small fly wheel (I think)
this appears to have worked lose and is now wobbling and scraping. Car still runs - I drove 30 miles home but it sound terrible and the car turns heads - not in a good way.
Does anyone know if this is...?
1) Terminal
2) easy to fix
3) a Loose nut
4) The work of the Devil.

Many thanks for any advice.
Hope you're all motoring well
Michael

grahamemmett
Posts: 686
Joined: Mon Feb 08, 2016 8:12 pm
Location: Northwich, Cheshire
Contact:

Re: Horrible Scraping Sound

Post by grahamemmett » Sun Dec 01, 2019 5:24 pm

Hi Michael

From your description, you are referring to the crankshaft damper and from the noise, it's making, it has come apart.
Refurbished dampers are available from David Beales and others (I'm sure somebody here will know of alternatives).
It's not an expensive part (but over £100) and I think can be replaced with the engine in situ. With luck Marcel Renshaw will pick up this post and he will know if it's possible.
Don't drive the car though, it won't get better!
Graham Emmett
Northwich, Cheshire
Joint DB18 Registrar (with Marcel Renshaw)
DB18 1949 LCV522 (Yes that one with the P100s)
https://www.db18.org

mickeytwonames
Posts: 74
Joined: Fri Aug 31, 2018 8:46 pm
Location: pershore worcestershire

Re: Horrible Scraping Sound

Post by mickeytwonames » Sun Dec 01, 2019 11:01 pm

Many thanks - for that - will try Mr Beale

migray
Posts: 132
Joined: Fri Feb 26, 2016 10:31 pm
Location: Bakewell

Re: Horrible Scraping Sound

Post by migray » Sun Dec 01, 2019 11:32 pm

Available via Beales' ebay site at £350 - https://www.ebay.co.uk/itm/Daimler-DB18 ... SwYPhbK9qM
It is an exchange item.

Mike

Sydsmith
Posts: 843
Joined: Sun Feb 14, 2016 11:15 pm
Location: Aberystwyth Wales

Re: Horrible Scraping Sound

Post by Sydsmith » Mon Dec 02, 2019 3:54 pm

I know it's a bit naff but they can and have in the past been glued back together as a temporary measure, but will not work as a damper and because the purpose of them is to finely balance the crank, it could damage the engine.

It is a very specialised job to balance them properly, hence the exchange replacement cost.

grahamemmett
Posts: 686
Joined: Mon Feb 08, 2016 8:12 pm
Location: Northwich, Cheshire
Contact:

Re: Horrible Scraping Sound

Post by grahamemmett » Mon Dec 02, 2019 10:27 pm

Ouch! I was way out with my £100!
Graham Emmett
Northwich, Cheshire
Joint DB18 Registrar (with Marcel Renshaw)
DB18 1949 LCV522 (Yes that one with the P100s)
https://www.db18.org

mickeytwonames
Posts: 74
Joined: Fri Aug 31, 2018 8:46 pm
Location: pershore worcestershire

Re: Horrible Scraping Sound

Post by mickeytwonames » Tue Dec 03, 2019 10:24 pm

Has anyone replaced a damper before?
I believe you have to raise the engine a couple of inches to get the damper over the cross member.
Most grateful for any advice on bear traps along the way.
First job is to get the radiator grill off.
Michael

Stan Thomas
Posts: 559
Joined: Sat Feb 13, 2016 2:14 pm
Location: Penkridge. Staffs.

Re: Horrible Scraping Sound

Post by Stan Thomas » Wed Dec 04, 2019 8:36 am

You will need to undue the starting handle nut - so proceed as follows:

Knock back the locking tab (if there is one) on the starting handle nut on the front of the crankshaft, then place a stout snug-fitting ring spanner on the nut and turn the engine in the normal direction of rotation until the spanner touches the chassis.

Check everything is O.K. and well clear - thin dab the starter button.

mickeytwonames
Posts: 74
Joined: Fri Aug 31, 2018 8:46 pm
Location: pershore worcestershire

Re: Horrible Scraping Sound

Post by mickeytwonames » Mon Dec 09, 2019 12:57 pm

Stan
I am getting there and look forward to implementing your tip
Thanks
Michael

mickeytwonames
Posts: 74
Joined: Fri Aug 31, 2018 8:46 pm
Location: pershore worcestershire

Re: Horrible Scraping Sound

Post by mickeytwonames » Mon Dec 09, 2019 1:23 pm

Stan
I am getting there and look forward to implementing your tip
Thanks
Michael

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