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"Chirp" on cold start up on 1600 Sigma #581976
18/06/19 03:57 PM
18/06/19 03:57 PM
Joined: May 2011
Posts: 957
Ayrshire
M
Max5 Offline OP
Talk Morgan Regular
Max5  Offline OP
Talk Morgan Regular
M

Joined: May 2011
Posts: 957
Ayrshire
Has anyone experienced and Identified the source of a "chirp" on cold start up of a 1600 Sigma? The source is definitely engine related but doesn't appear to be at crankshaft speed and it continues for the first half mile or so of the journey. All other functions are normal and it only happens when the engine is cold.

Re: "Chirp" on cold start up on 1600 Sigma [Re: Max5] #581993
18/06/19 05:43 PM
18/06/19 05:43 PM
Joined: Mar 2009
Posts: 2,073
N
nick w Offline
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nick w  Offline
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Joined: Mar 2009
Posts: 2,073
I have had that. I thought it might be the water pump but it was just the belt. A tiny spray of wd40 on it cured it but I believe wd is bad for the rubber so there must be something better. Very occasionally it returns but as you say only for a short while.
Nick

Re: "Chirp" on cold start up on 1600 Sigma [Re: Max5] #581998
18/06/19 06:03 PM
18/06/19 06:03 PM
Joined: Apr 2008
Posts: 7,612
Gloucestershire, UK
Hamwich Offline
Talk Morgan Guru
Hamwich  Offline
Talk Morgan Guru

Joined: Apr 2008
Posts: 7,612
Gloucestershire, UK
You can get belt dressing spray which helps, and won't damage the rubber of the belt. Other brands/prices are available.


Tim H.
1986 4/4 VVTi Sport, 2002 LR Defender, 1957 R4 CV, 2005 Ferrari Vipar
Re: "Chirp" on cold start up on 1600 Sigma [Re: Max5] #582025
18/06/19 08:36 PM
18/06/19 08:36 PM
Joined: Oct 2007
Posts: 118
Sandhurst, Berks
T
teknome Offline
L - Learner Plates On
teknome  Offline
L - Learner Plates On
T

Joined: Oct 2007
Posts: 118
Sandhurst, Berks
If you have a local Toolstation

https://www.toolstation.com/v-belt-spray/p25485

I did use it on my +8, although the belt is currently keeping quiet


---------------------------
Mike Smith


1995 +8
2007 +4
Re: "Chirp" on cold start up on 1600 Sigma [Re: Max5] #582041
18/06/19 10:19 PM
18/06/19 10:19 PM
Joined: May 2010
Posts: 6,229
Llanelli
sospan Offline
Talk Morgan Sage
sospan  Offline
Talk Morgan Sage

Joined: May 2010
Posts: 6,229
Llanelli
My plus8 had the chirruping from the belt that was a known idiosyncrasy.
Heard it on the test drive and the dealer sorted it. It returned after a while. I took the belt off ( it looked new) cleaned the pulleys by wiping with a rag with brake cleaner on it, The chirruping has gone and not returned.
There is detail on the problem in Gomog and suggests using a slightly narrower belt ( as I remember).


Red Plus8
Re: "Chirp" on cold start up on 1600 Sigma [Re: sospan] #582042
18/06/19 10:24 PM
18/06/19 10:24 PM
Joined: Dec 2009
Posts: 20,289
Devonshire
+8Rich Offline
Member of the Inner Circle
+8Rich  Offline
Member of the Inner Circle

Joined: Dec 2009
Posts: 20,289
Devonshire
Yes they recommend the 6 vee instead of the standard 7PK-1025 Gates belt. I'm happier with the wider belt it only squeaks when it's dry so not really an issue and a bit of candle wax fixes it.


Regards Richard

1999 Indigo Blue +8
2009 4/4 Sport Green
1994 Connaught Green +8





Re: "Chirp" on cold start up on 1600 Sigma [Re: +8Rich] #582051
19/06/19 07:29 AM
19/06/19 07:29 AM
Joined: May 2011
Posts: 957
Ayrshire
M
Max5 Offline OP
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Max5  Offline OP
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Joined: May 2011
Posts: 957
Ayrshire
That you for all the responses.

It was a squeaky belt so an easy fix!

Last edited by Max5; 19/06/19 10:24 AM.
Re: "Chirp" on cold start up on 1600 Sigma [Re: Max5] #582065
19/06/19 09:00 AM
19/06/19 09:00 AM
Joined: Nov 2015
Posts: 984
Yorkshire
CooperMan Offline
Talk Morgan Regular
CooperMan  Offline
Talk Morgan Regular

Joined: Nov 2015
Posts: 984
Yorkshire
Max5, many years ago a proper old school mechanic told me he used Rosin on squeaky belts (Violin players rub it on the Bow)


Jon M

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