Removing speedometer series 1

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TrevS
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#1 Removing speedometer series 1

Post by TrevS » Sun Sep 27, 2015 2:47 pm

Hi all

Having issues with my speedometer so want to remove it from the dash and check over the cable and guage. What's the best way to remove the guage and get access to the speedometer cable?

I've tried removing the dash top as a better way to get access to the gauges by undoing the 4 bolts holding the top on but when trying to lift the top off I noticed that it appears that the vents are connected some tubing. Will the tubing simply come out as I lift the dash top off or do I need to individually unscrew and remove each of the 4 vents?

Any help much appreciated

Trevor
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Stuart Exelby
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#2

Post by Stuart Exelby » Sun Sep 27, 2015 4:40 pm

Hi Trev - I accessed mine from below - removed the under-dash trim, then lay upside down in the footwell (it's not as bad as it sounds!), reached up and undid the knobs which hold it to the dash. You should be able to see and if necessary label any connectors at the same time for ease of refitting.

If I remember correctly, I extended the steering wheel as far backwards (towards the driver) as it would go then juggled it out of the dash.....
1967 Series 1 OTS

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1954Etype
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#3

Post by 1954Etype » Sun Sep 27, 2015 5:42 pm

Don't forget to disconnect the battery!
Angus 67 FHC 1E33656
61 OTS 875047

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TrevS
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#4

Post by TrevS » Sun Sep 27, 2015 10:11 pm

Cheers guys

Tried accessing the gauge underneath but found it a bit of a struggle so starting removing the top dash panel. Will have another go tomorrow. Does anyone have a picture/diagram of the knobs that I need to loosen in order to free the gauge?

Thanks

Trev
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David Oslo
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#5

Post by David Oslo » Mon Sep 28, 2015 9:15 am

I'm sorry but I don't have any pictures to share, but I can suggest that you either use a mirror and torch to have a look (whilst your head is in the floorwell and looking up) or even try to stick a mobile phone behind the dash and fire off some pictures.

Point is (as you've no doubt realised) once you figure out which knurly knobs to twist (I'm not joking) and how to undo the speedo cable, and pull how to pull of the lamp sockets, it's pretty simple job from underneath.

When doing it I sit partially on the sill and stick my hand up behind the dash, so that I'm looking at the face of the speedo whilst my brain is telling my where my hand is. I've found that lying upside down and trying to do it just confuses my hand / eye / brain coordination.

Be prepared for skinned knuckles and some scratches. It's tight behind there.
David
S1 2+2 '67 MOD conversion (going)
S2 OTS '70 (arriving)

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Quattrofrank
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#6

Post by Quattrofrank » Mon Sep 28, 2015 9:17 am

I would reccomend taking off the dash top. Then you easily see where all the connection are when looking thru the windshield.

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christopher storey
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#7

Post by christopher storey » Mon Sep 28, 2015 9:55 am

Also, take the tacho out first. This is a relatively easy task, and enables you to reach both the speedo cable knurled nut , and the holding down nuts, much more easily, ( and also to some extent to see what you are doing )

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TrevS
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#8

Post by TrevS » Mon Sep 28, 2015 3:36 pm

Great, sounds like taking the dash top off will help as I've half done the job it probably makes sense to go this route. So I've taken of the 4 nuts holding the dash top in place (2 near a pillars, and 2 behind the fuse panel). however when trying to lift the top off it seems connected to the y shape plastic air vents and tubing. My question is, do I need to remove the vents from the dash top or will the tubing just pop out as I lift the top off? I don't want to risk damaging the tubing or vents

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Quattrofrank
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#9

Post by Quattrofrank » Mon Sep 28, 2015 3:46 pm

The tubing is just inserted into the vents. Loosen them before taking off the dash top

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Heuer
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#10

Post by Heuer » Mon Sep 28, 2015 3:50 pm

Yes, just ease them out taking great care not to damage the plastic vents. When they are all clear you can safely lift off the dash top.
David Jones
S1 OTS OSB
1997 Porsche 911 Guards Red
2024 Lexus LBX

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