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cornish rattler

Member Since: 31 Aug 2013
Location: Manchester
Posts: 642

1988 Defender 90 200 Tdi CSW Bronze Green

Matching temp sender and temp gauge

Hi guys

As you know i have recently accuired a 90 2.5td fitted with a 200tdi engine by p.o. the temp gauge always tends to stay around the hot area sometimes just before the red and sometimes just inside the red, i know a temp gauge and temp sender should be matched but i have no idea if the engine has a 2.5td sender fitted or a 200tdi sender fitted, is the temp gauge compatable to both sender units or do i need to buy a 200tdi sender and gauge

Graham

1988 Defender 90 county 200tdi ( Beast )

Paul Walker 1973-2013
( I Almost Had You )

8th Mar 2014 1:44am

dorsetsmith

Member Since: 30 Oct 2011
Location: South West
Posts: 4554

try Steve Parker website under 200Tdi into 90/110 conversion,

8th Mar 2014 7:27am

Diablo

Member Since: 26 Oct 2011
Location: Basingstoke
Posts: 335

1984 Defender 90 200 Tdi SW Keswick Green

I swapped mine over to a VDO gauge - actually gives you a reliable temp, rather than land rovers hottish and coldish gauge.

You can see when the 'stat opens it's that accurate.

8th Mar 2014 11:28am

SGH

Member Since: 27 Sep 2010
Location: Hellingly-Sussex
Posts: 1527

I bought matched VDO gauge and sensor from Demon Tweeks for my 300tdi

8th Mar 2014 11:30am

g-mack

Member Since: 07 Jan 2014
Location: northumberland
Posts: 1967

i like the look of the vdo vision gauges! would be a nice upgrade for crappy tdi dash!! My 109 thread

my youtube channel

8th Mar 2014 12:52pm

ARC99

Member Since: 19 Feb 2013
Location: North Yorkshire
Posts: 1831

2008 Defender 110 Puma 2.4 USW Cairns Blue

If I remember rightly the temperature between Normal and Hot is only 2C.

There are two different sender units for that engine, one has a green seal and the other a blue. Don't make old people mad.
We don't like being old in the first place,
so it doesn't take much to

us off.

Richard

8th Mar 2014 1:04pm

cornish rattler

Member Since: 31 Aug 2013
Location: Manchester
Posts: 642

So will a 200tdi temp sender match the original temp gauge or the 2.5td and 200tdi temp gauges the same

Graham

1988 Defender 90 county 200tdi ( Beast )

Paul Walker 1973-2013
( I Almost Had You )

9th Mar 2014 2:04am

ARC99

Member Since: 19 Feb 2013
Location: North Yorkshire
Posts: 1831

It hurts when you get old and cannot remember things like yesterday

My 2.5 was built with a 200 temp gauge as were others, I purchased a sender unit for a 2.5, the parts man at my local Indi did not know about the two sender units and gave me a later unit when it should have been and earlier one. Don't make old people mad.
We don't like being old in the first place,
so it doesn't take much to

us off.

Richard

9th Mar 2014 1:31pm

cornish rattler

Member Since: 31 Aug 2013
Location: Manchester
Posts: 642

Right I see I have already ordered a 200tdi sender from paddocks amongst a few other bits but think I will buy a 200tdi temp gauge aswell rather than keep messing about swapping stuff about as I am not really sure what setup I have as the tdi engine was fitted a few years ago by the last owner and I am not entirely sure what gauge I have as originally the 90 was a 2.5td so think this is the way to go

Graham

1988 Defender 90 county 200tdi ( Beast )

Paul Walker 1973-2013
( I Almost Had You )

9th Mar 2014 1:58pm

cornish rattler

Member Since: 31 Aug 2013
Location: Manchester
Posts: 642

I have since found out that 2.5.TD and 200TDIs used the same gauge so I will fit the defender 200tdi sender and see how it goes

Graham

1988 Defender 90 county 200tdi ( Beast )

Paul Walker 1973-2013
( I Almost Had You )

16th Mar 2014 12:21am

cornish rattler

Member Since: 31 Aug 2013
Location: Manchester
Posts: 642

ARC99 wrote:
If I remember rightly the temperature between Normal and Hot is only 2C.

There are two different sender units for that engine, one has a green seal and the other a blue.

Right I removed my temp sender today to replace it with a new one but when I removed it the sender didn't have a seal on it and the new one didn't either but both look the same, my new one is a defender 200tdi one from paddocks in a blue box

does the sender need a seal as I am thinking could the sender be earthing on the cylinder head where it screws into the head

Graham

1988 Defender 90 county 200tdi ( Beast )

Paul Walker 1973-2013
( I Almost Had You )

17th Mar 2014 6:55pm

Ant54

Member Since: 23 Mar 2014
Location: Rugeley,staffs
Posts: 19

Its supposed to earth on the cylinder head

12th Apr 2014 8:10pm

cornish rattler

Member Since: 31 Aug 2013
Location: Manchester
Posts: 642

Cheers for that its just that on series trucks they used to have a fiber washer between the sender and head as its the middle bit that measures the heat and doesn't touch anything to earth out on so I was thinking if there was no washer on a tdi sender it mite earth out when screwed up to the head

Graham

1988 Defender 90 county 200tdi ( Beast )

Paul Walker 1973-2013
( I Almost Had You )

14th Apr 2014 9:23pm

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