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vnwags
P Plater
37 Posts
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 Posted - 13 Mar 2007 : 7:57:54 PM
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hey everyone im new to the site and i've searched for ages through the forums but i can't find any thing on how to install a water temp gauge to a series 2 engine. i've been told that the sender unit is at the back of the motor somewhere but after 2 weeks of searching im geting ready to ditch the whole thing. any help would be great. and i know that this has probs been gone over a hundred times before but i just can't find it anywhere  cheers
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trizo
Forum Moderator
3091 Posts
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Posted - 13 Mar 2007 : 8:13:45 PM
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what do u want to replace the sender or the gauge??
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3 can keep a secret if 2 are dead |
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vnwags
P Plater
37 Posts
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Posted - 13 Mar 2007 : 8:18:24 PM
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| i think its a mechanical gauge so i need to take something with one wire out and put in the end of the gauge?? does that make sense? and i don't know where this one wire thing is |
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mouce
National Driver
1525 Posts
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MILD50
Fully Licenced
850 Posts
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Posted - 14 Mar 2007 : 12:52:48 PM
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Pretty sure mechanical guages run a tube- not a wire? The wire could be the sender for the guage.
The reason mechanical guages are illegal is because they pump the hot fluid right up to the guage- often into the interior if install in such a way- and if the line ruptures you can score yourself some nasty burns or a fire. Pretty sure thats the story anyway- don't quote me on it! |
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vnwags
P Plater
37 Posts
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Posted - 14 Mar 2007 : 4:17:27 PM
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| hey thanx well im now not too sure if it is a mechancial gauge then because its got a metal tip on it that is meant to go in a hole somewhere in the engine and im pretty sure it reads how hot that is and then sends it up to the gauge??? is this sort of gauge alright?? as in legal? |
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MILD50
Fully Licenced
850 Posts
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Posted - 14 Mar 2007 : 7:14:12 PM
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| Yeah- if it has a sender you should be sweet. |
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mouce
National Driver
1525 Posts
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Posted - 14 Mar 2007 : 8:50:30 PM
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If the only things that connect to the back of the gauge are WIRES then you're fine. If you've got a hose of sorts then it's time to put the gauge on e-bay and go and buy yourself an electrical gauge.
@MILD50, you're bang on with the reason they are illegal. In the event of an accident, mechanical gauges can rupture and spew boiling water or really freaking hot oil all over you and or hot parts ot the engine. Creating a massive burns/fire hazzard. As I mentioned in the how-to for gauge installation, the only mechanical gauges that are legal for street use are vacuum gauges or boost gauges. |
Bite off more than you can chew, and chew like hell - Peter Brock (1945-2006) |
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vnwags
P Plater
37 Posts
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Posted - 14 Mar 2007 : 9:16:44 PM
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| ok so i've got wires into a thermo bulb which then has to go into the engine. now can i get a t-piece so that i can use both the gauge and the one thats already in the dash?? if so does anyone know the part number? or can i only have one or the other?? thanx heaps for the help |
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mouce
National Driver
1525 Posts
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Posted - 26 Mar 2007 : 10:00:55 PM
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YES you should be able to get a t-piece. I'm not sure where from, or the part number, but it will be out there somewhere. VDO have a good range of fittings for car gauge senders, as do Autometer and Speco. Check out their catalogues online.
Failing that...you could even try your local plumbing supply shop, they MIGHT be able to track something down for you, it might take a while, but it's an option. Just make sure they know that it's got to be able to withstand temperatures up to 150degC and fairly high pressure too. |
Bite off more than you can chew, and chew like hell - Peter Brock (1945-2006) |
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