Master
SupporterMy transmission temperature light on my 2003 Td5 came on yesterday when I was driving up the Great Northern Highway. After waiting a while for the transmission to cool down the light would not go out. I've been towed to Kununurra for repair. Unfortunately nobody can even look at my Disco until next week so I've had a look around myself to see if I can spot anything obviously wrong.
Nothing stands out however while I was underneath my Disco I did notice a hole that looked like it should have a bolt in it (see photo). Should there be something here? It looks too clean to be normal. I'd driven over a hundred odd kilometers of corrugated roads round Purnululu plus all the smal creek crossings. Has something vibrated out?
20170629_080438.jpg
To me this doesn't look right. Is it?
2012 Discovery 4 SDV6 HSE
2003 Discovery 2 TD5
2003 Defender Xtreme
1997 Discovery V8i
Swaggie
SubscriberYou probably just have wet the sensor and it has failed. Same happened to me on my RRC.
The sensor is at the front of the car on the LHS if you remove the plastic mudguard shield. (AFAIK as I haven't had to remove one on a D2).
It is a wet sensor but not too much oil should come out when you replace it if my experience with an RRC is a guide.
The empty hole is just for a wading plug or for the timing peg to be placed in.
Regards Philip A
Master
SubscriberThat hole is for the timing pin. That's normal.
Does the light stay on now that it has cooled down overnight?
If it is still on unplug the temp sensor plug. The plug should be mounted on the right side of the radiator where the intercooler and the radiator bolt together. It will be in the gap between the radiator and battery. If it goes out then the sensor is no good. Be good idea to check oil level in transmission
It doesn't leak oil, Its sweating power
Master
SupporterThanks.Originally Posted by woko
Yes, the car did cool down overnight but the light stays on.
How do you check the oil level? I can't find it in my Haynes.
Also, the car was thoroughly checked over about a month or so ago so I would assume the levels are all good.
2012 Discovery 4 SDV6 HSE
2003 Discovery 2 TD5
2003 Defender Xtreme
1997 Discovery V8i
Master
SupporterThanks, I will check this in a bit.
2012 Discovery 4 SDV6 HSE
2003 Discovery 2 TD5
2003 Defender Xtreme
1997 Discovery V8i
Master
SubscriberThere is a plug in the front of the transmission sump. It takes a 8mm Allen key. With it running in park pull the plug. It is a bit of a bugger to get to cause the pipes are in the way
It doesn't leak oil, Its sweating power
Master
SubscriberThe sensor is on the right on a d2
It doesn't leak oil, Its sweating power
Master
SupporterOkay. I've detatched the plug for the sensor and the light does go out!
The next step is replacing the sensor. Is it a part I will find in any Auto Parts store?
Sorry for all the questions. I'm on my own in Kununurra.
2012 Discovery 4 SDV6 HSE
2003 Discovery 2 TD5
2003 Defender Xtreme
1997 Discovery V8i
OldBushie
SupporterKununurra is the Major commercial centre in the top end of the Kimberlies so I imagine there should be an auto electrical workshop up there that you could take the offending part to so that they can see if they have a replacement for you.
Do some Googling of better still ask a local
You only get one shot at life, Aim well
2004 D2 "S" V8 auto, with a few Mods gone
2007 79 Series Landcruiser V8 Ute, With a few Mods.
4.6m Quintrex boat
20' Jayco Expanda caravan gone
Master
SupporterPart number UBI100030
_________________________
1996 D1 V8 - gone
2002 D2 Td5 ES- gone but still running elsewhere
2013 D4 SDV6 HSE - gone
2023 Defender 110SE D300
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