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110 Speedo Suddenly Quit ?


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#1 landi41

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Posted 01 September 2005 - 03:02 AM

Hi All;

What aside from a broken cable could cause my 1985, 110 speedo to suddenly pack it in on the way home this evening ?
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#2 NegevLandRover

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Posted 01 September 2005 - 05:54 AM

Apart from broken cable which is more often than not the case the cable end could have come adrift from either of it's two ends. Just pull the dash away alittle and have a squiz - the cable fits into the back of speedometer with a bayonet type half twist.

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#3 western

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Posted 01 September 2005 - 06:11 AM

Could be the square end of the cable at the gearbox has broken off or the drive gear has stripped :o
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#4 Lars L

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Posted 01 September 2005 - 06:20 AM

Or that the corners of the square end have been rounded off. This happened to me, difficult to see, but a new speedo cable sorted it.
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#5 landi41

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Posted 01 September 2005 - 06:44 AM

Thanks lads i'll sort it out if it ever stops raining here.........

Ironically i was on my way home from the annual vehicle inspection, fully legal, no bribing the mechanic with beer this time :)
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#6 Exmoor Beast

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Posted 01 September 2005 - 06:55 AM

its been two years or more since my speedo packed up, I must get round to getting a new cable...then again why bother I know its somewhere between 0 and 85mph, I think I will stick with the guesswork and save the cash...

Will :)

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#7 landi41

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Posted 01 September 2005 - 07:59 AM

Will;

I'm not bothered about the "flat out" speed, thats barely over the legal limit at near full throtle :)

Its the lower speeds thru the Villages concerning me............

The coppers lurk in those areas, not for safety reasons, it's just nearer the coffee shops :) :rolleyes:
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#8 Happyoldgit

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Posted 01 September 2005 - 09:22 AM

Probably busted at one end or the other. These things just happen :)
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#9 Wally

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Posted 02 September 2005 - 04:23 AM

My 1984 110 V8 had a joint in the speedo cable just on the engine side of the firewall. If yours have it see if it did not come adrift at this joint.
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#10 Peter

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Posted 18 November 2005 - 04:47 PM

Apart from broken cable which is more often than not the case the cable end could have come adrift from either of it's two ends. Just pull the dash away alittle and have a squiz - the cable fits into the back of speedometer with a bayonet type half twist.

Adam


Adam, or anyone.

I need to change my speedo, have done it a long time ago, but can't remember how to take the cabe out of the back. Adam above says it 'a bayonet tyoe half twist' what does this mean ?
Mines on a 1987 - 90.

Cheers

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#11 BogMonster

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Posted 19 November 2005 - 05:16 AM

Think of how you put in a standard bayonet light bulb into a fitting - push it into the socket and twist it part of a turn to lock it in. Same sort of principle with the cable - push it in (locating the drive bit in the middle) then turn to lock it.
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#12 JimAttrill

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Posted 19 November 2005 - 08:36 AM

I find the 110 speedo quite inaccurate. The odometer over-reads by exactly 5%, and the speedo varies depending on the speed. At an indicated 110kph I am actually doing 104. The over-reading odometer makes you think your fuel consumption is better than it is.

If you really want to know your speed, use a GPS, although the speed readout on mine (Garmin 12) is rather small.
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#13 Peter

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Posted 19 November 2005 - 07:29 PM

I find the 110 speedo quite inaccurate. The odometer over-reads by exactly 5%, and the speedo varies depending on the speed. At an indicated 110kph I am actually doing 104. The over-reading odometer makes you think your fuel consumption is better than it is.

If you really want to know your speed, use a GPS, although the speed readout on mine (Garmin 12) is rather small.


According to my GPS my 90 Speedo is spot on. Am running 750x16 tyres - G90's.
When I used 205x16 tyres GPS said speedo was wrong.
Worst experience was on a hire van, speedo was out by 10mph, so when driving at an indicated speedometer 50, GPS said speed was 60. Luckily I spotted this before going past any speed cameras !!

#14 Bush65

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Posted 23 November 2005 - 08:57 AM

I suspect it is a drive problem as others have said.

In an early rangie I had, the spindle in the speedo head seized in it's bush - a good spray with WD40 fixed it.

In an 84 rangie I have, the spindle was slipping inside an aluminium coupling - crimping the coupling tighter on the spindle fixed it.

I've also had to replace the right angle drive at the rear of the speedo head on another occasion.

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