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TooTall

Member Since: 10 Jul 2012
Location: Fens
Posts: 504

300 TDi cut out switch

Hi
A mate of mine (whose a car trader) has just asked if an old 300 Tdi would be fitted with a cut out switch that would be tripped if the car started to over heat. Candidly I've never heard of such a thing but I suspect there's lots of people far better qualified to provide an answer here on Def2 than me

Anyone got any ideas?
Thx
TT "Ease your worries, Clear-up your woes,
Go into your garage & put stuff into rows."

21st May 2015 7:38pm

munch90

Member Since: 26 Oct 2013
Location: guildford
Posts: 3558

Nope never heard of one

started to overheat or overheated , there is a big difference to what could be wrong

21st May 2015 7:41pm

VeeTee

Member Since: 06 Mar 2011
Location: Somewhere
Posts: 1512

Never heard of, but it would not be hard to make it.
Plumb in an adjustable thermostat fan controller, let the controller activate a "break type" relay to cut out the fuel solenoid. Set the adjustable controller to a temperature slightly higher to the max. temperature you think the engine has to cut out. And for safety reasons, add an override switch to the relay. Cheers, Vincent
1959 Polynorm 1/4 Ton Trailer, Olive Drab Green (sold)
1970 M416 Military Trailer (Camping Trailer Conversion), Epsom Green (sold)
1975 Series III 88 V6, Light Green (sadly sold)
1996 Defender 110 CSW 300 Tdi, Epsom Green (sold)
2000 Freelander 1 TD4 3-drs, Silver (sold)
2006 Freelander 1 TD4 5-drs Facelift Automatic, Tonga Green (sold)

MySite

21st May 2015 7:51pm

jst

Member Since: 14 Jan 2008
Location: Taunton
Posts: 7687

2011 Defender 110 Puma 2.4 USW Stornoway Grey

no there isn't one fitted as std. Cheers

James
110 XS Utility
130 Puma Station wagon/camper (in the making)
90 Puma Hardtop

21st May 2015 10:26pm

shaggydog

Member Since: 12 Aug 2012
Location: Kent
Posts: 3346

1991 Defender 110 200 Tdi USW Arles Blue

^^+1 No such thing fitted as standard. Running Restoration Thread http://www.defender2.net/forum/post323197.html#323197

Self confessed mileage hunter

21st May 2015 10:49pm

martinfiattech

Member Since: 13 Nov 2013
Location: leicester
Posts: 422

This might take a bit of plumbing.
The puma / dura torque engine is fitted as standard with a thermal cut out switch. It`s on the back of the cylinder head NO 4 cylinder.

You could, if you desired some how plumb it into the cooling system, head or block area.
Then run in series thru to the fuel pump fuel cut off solenoid. When the engine over heats. The circuit is broken and it cuts out.

A bit drastic if you ask me, a warning light or buzzer would be better. To warn of low coolant level. Excuse the spelling I`am better with spanners and wires.

25th May 2015 8:35pm

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