Member Since: 16 Dec 2009
Location: west sussex
Posts: 8
temperature gauge help
hi people, could you help ive got a 54 plate 90k v6 with a temp problem, the coolant level warning came on and 2 weeks later i had to top it up by half a litre after the temp went up to thr red. the next day the guage which only ever shows at the bottom of cold went up tp the red so i then ran the engine for 20 mins with lid of coolant bottle and heater on full heat and blast , the water in the bottle heated up but not much air if any came out.Since then on a 70 mile journey i had to stop 5 times when it went into the red, what i have found is that if i just turn the engine off and restart the temp goes and for quite a whils stays on the bottom of cold . any help please as i am going back on that 70 mile trip on friday and dont want to blow the engine , cheers.
16th Dec 2009 1:20 pm
bigdave Site Sponsor
Member Since: 04 Jul 2008
Location: Cornwall
Posts: 9868
Hi there,
Sounds similar to a regular problem with the water bottle level sensor i think.
Search the site as there is alot on here about this problem
Also check with your dealer your vehicle had the recall work done on this item.
Welcome to the site too!
Cheers.
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Member Since: 03 Jul 2009
Location: Glasgow
Posts: 6902
It sounds very similar to what I am experiencing, gauge is normally just on scale and just occasionally it goes straight up to the red at the top but will reset as soon as you restart, haven't taken it to the dealers yet as it is just occasionally and not all the time. I was thinking about the sensor, can anyone tell me where it is. TFC also mentioned previously about the engine earth, but where I need to look for that I don't have a clue. I find it hard to believe it is anything to do with the level sensor, although the D3 does come up with some impressive faults at times.
16th Dec 2009 2:48 pm
ratking
Member Since: 16 Dec 2009
Location: west sussex
Posts: 8
the earth was just mentioned funnily enough could this all be related as on saturday when i got in car the radio had lost its memory , if it could be an earth is it accesible by a mortal.
16th Dec 2009 3:08 pm
ratking
Member Since: 16 Dec 2009
Location: west sussex
Posts: 8
Dave T wrote:
It sounds very similar to what I am experiencing, gauge is normally just on scale and just occasionally it goes straight up to the red at the top but will reset as soon as you restart, haven't taken it to the dealers yet as it is just occasionally and not all the time. I was thinking about the sensor, can anyone tell me where it is. TFC also mentioned previously about the engine earth, but where I need to look for that I don't have a clue. I find it hard to believe it is anything to do with the level sensor, although the D3 does come up with some impressive faults at times.
other than the engine management reducing power do u think there would really be any chance of any damage to the engine or turbo , also when i bled the system in the old fashioned way i got no air out , does any one know if there is another bleed valve any where.
16th Dec 2009 3:24 pm
ratking
Member Since: 16 Dec 2009
Location: west sussex
Posts: 8
Well, just done another 70 mile trip , it was ok for the first 30 mins, then the light came on . The strange thing is that it then came on every 15 minutes on the dot for the rest of the journey , anybody have any ideas why that should happen. On the trip back it didnt come on once the only thing that has happened within the last 2 days is that the one touch on the drivers door doesnt one touch . Could the car be possessed, any help greatfully recieved. Just been out for a short trip and the one touch is now working, mmmmmm??
30th Dec 2009 8:16 pm
caverD3
Member Since: 03 Jul 2006
Location: Oberon, NSW
Posts: 6922
If you are actually loosing coolant rather than it just being a false reading due to the float issue, it could be the EGR cooler(s)? “There are only three sports: bullfighting, motor racing, and mountaineering; all the rest are merely gamesâ€
Ernest Hemmingway
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31st Dec 2009 2:23 am
ratking
Member Since: 16 Dec 2009
Location: west sussex
Posts: 8
no coolant is fine
31st Dec 2009 10:50 am
ratking
Member Since: 16 Dec 2009
Location: west sussex
Posts: 8
update i had the temperature sensor replaced and it now registers normal temperature and doesnt move to the red .
17th Jan 2010 4:38 pm
Dave T
Member Since: 03 Jul 2009
Location: Glasgow
Posts: 6902
Ratking, was it done by a dealer, how much did they charge you for that, mine is in tomorrow to hopefully get sorted.
18th Jan 2010 2:08 pm
ratking
Member Since: 16 Dec 2009
Location: west sussex
Posts: 8
hi, it was my local garage , part cost £13 and not sure what he charged me cos he did other bits but he did say it was a very quick job to do.
18th Jan 2010 3:56 pm
Dave T
Member Since: 03 Jul 2009
Location: Glasgow
Posts: 6902
Finally found the problem with my temperature gauge today (just a few days after the dealer tried saying it was ok) took out the old temperature sensor (in bits as in the photo), and it was immediately obvious what the problem was. The inner wire was broken so must have been shorting on the casing giving my intermitant full scale problems
So 10 minutes later and less than a tenner spent with TLO and its all working again fine now.
And the dealers expect us to have faith in them!!
This really is a DIY job for even the least mechanically minded person, it literally turns through 90 degrees and pulls out. Further photos in my gallery showing location in the coolant system.
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