Speedo on cecil,swings quite a lot at most speeds,am sure someone on the forum said that a cure could be obtained by lubricating the inner wire,is this true.
Bill.
Speedo. mk1
jan and bill radford.
65'C' mk1 saloon in black over cactus ,matador int
67'E'.T6 GT6.yellow,black int.
65'C' mk1 saloon in black over cactus ,matador int
67'E'.T6 GT6.yellow,black int.
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leesellars
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Re: Speedo. mk1
Its worth a go the cable is snagging on a dry bit.
Lee
Lee
Triumph Mk2 PI 1975
Triumph TR6 PI 1973
Triumph TR6 PI 1973
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TedTaylor
- Senior Member
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Re: Speedo. mk1
Don't get too much lubrication up near the speedo head. Oil or similar getting in there between the magnet and disc is another cause of the swinging needle syndrome.
Ted
Ted
Member 4473 1990
1964 2000 period rally look alike AFH 849B
Morris 1800 London-Sydney/Monte/WCR NAM 616G
Mk1 PI Estate SCG 115G
2500 Estate WDE 76K RBRR 2014
1964 2000 period rally look alike AFH 849B
Morris 1800 London-Sydney/Monte/WCR NAM 616G
Mk1 PI Estate SCG 115G
2500 Estate WDE 76K RBRR 2014
Re: Speedo. mk1
I have the same on my mk2...... replaced the speedo cable, with no improvement.
It was suggested to place the speedo over a a heated bath of thinners, to let the steam penetrate and clean out the internals....
I haven't done this yet, so can't comment on its affectiveness
It was suggested to place the speedo over a a heated bath of thinners, to let the steam penetrate and clean out the internals....
I haven't done this yet, so can't comment on its affectiveness
76' P 2500S in Honeysuckle with Manual O/D
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Mike Stevens
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Re: Speedo. mk1
Also check there are no tight turns on the speedo cable routing. This can make the inner go in fits and starts!
Cheers,
Mike.
Cheers,
Mike.
(South Oxfordshire)
Register Member No 0355
1971 2.5PI Saloon Sapphire blue
1973 2.5PI Saloon rust some Honeysuckle
1973 Stag French blue
(1949 LandRover was blue should be light green!)
Register Member No 0355
1971 2.5PI Saloon Sapphire blue
1973 2.5PI Saloon rust some Honeysuckle
1973 Stag French blue
(1949 LandRover was blue should be light green!)
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Clifford Pope
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- Location:United Kingdom
Re: Speedo. mk1
Does it have the 90 degree turn bolt-on bit at the gearbox end? There is another short length of flexi cable inside it.
It's worth unscrewing the cable from the speedo end and sticking in a matchstick and twiddling it. It should turn freely without any stiffness.
It's worth unscrewing the cable from the speedo end and sticking in a matchstick and twiddling it. It should turn freely without any stiffness.
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Mike Stevens
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Re: Speedo. mk1
The other thing I've done in the past is to disconnect the speedo cable and stick a bit of tape on the inner, sort of like a flag. Then have a drive - while being able to see the 'flag' - and see if it turns smoothly or if it seems to jump.
Not easy I know, but it might help!
Cheers,
Mike.
Not easy I know, but it might help!
Cheers,
Mike.
(South Oxfordshire)
Register Member No 0355
1971 2.5PI Saloon Sapphire blue
1973 2.5PI Saloon rust some Honeysuckle
1973 Stag French blue
(1949 LandRover was blue should be light green!)
Register Member No 0355
1971 2.5PI Saloon Sapphire blue
1973 2.5PI Saloon rust some Honeysuckle
1973 Stag French blue
(1949 LandRover was blue should be light green!)
Re: Speedo. mk1
Thanks everyone.
Bill.
Bill.
jan and bill radford.
65'C' mk1 saloon in black over cactus ,matador int
67'E'.T6 GT6.yellow,black int.
65'C' mk1 saloon in black over cactus ,matador int
67'E'.T6 GT6.yellow,black int.
-
David Withers
- Senior Member
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- Location:North Cambridgeshire, UK
- Contact:
Re: Speedo. mk1
Bill,
The following was posted by me some time ago in answer to a similar question:
My car had a similar problem a few years back. I first suspected the cable, but its condition and line of run were fine.
The fault was, as others have found, in the speedometer head itself. I washed the pivot points and bushes with electrical cleaner aerosol and then introduced just a tiny drop of very thin oil - sewing machine oil, clock oil or the like - using the end of a thin piece of wire to carry and deposit it. It has operated perfectly since.
And it's still working perfectly! This is on a Mk 2 but could also do the job on your Mk 1.
The following was posted by me some time ago in answer to a similar question:
My car had a similar problem a few years back. I first suspected the cable, but its condition and line of run were fine.
The fault was, as others have found, in the speedometer head itself. I washed the pivot points and bushes with electrical cleaner aerosol and then introduced just a tiny drop of very thin oil - sewing machine oil, clock oil or the like - using the end of a thin piece of wire to carry and deposit it. It has operated perfectly since.
And it's still working perfectly! This is on a Mk 2 but could also do the job on your Mk 1.
Re: Speedo. mk1
Thanks David,spoilt for choice now 
Bill.
Bill.
jan and bill radford.
65'C' mk1 saloon in black over cactus ,matador int
67'E'.T6 GT6.yellow,black int.
65'C' mk1 saloon in black over cactus ,matador int
67'E'.T6 GT6.yellow,black int.
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