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ommerum Profile
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X-TRAIL NEWBIE
 


Date Registered: 08-2007
Location: Brisbane
TOTAL POSTS: 15
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Temp Gauge Warning Sound...


I've looked through the forum but can't find this thread. If in my old car i had an Sound to tell
me the Engine was overheating it would have saved my head gasket. There must be a way of
adding a Sound if the Temp gauge goes too high. I've often wondered why this doesn't come
already fitted. Has anyone looked into this...? Cheers shawn
22/Dec/2007, 8:52 pm Link to this post Send Email PM   Send Private Message
 
Robbo0001 Profile
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Date Registered: 07-2008
Location: Brisvegas, Australia
TOTAL POSTS: 1063
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Re: Temp Gauge Warning Sound...


Did a search and this thread was pertinent...sorry if its covered somewhere else! Is there an engine warning tone or is it just a light (Series 1 T30)? I was gunna pull wires off the engine temp/coolant temp/ oil pressure sender (figure standard senders..either normally open or normally closed) to check, but figured I better ask, in case I am wrong!
Good to know, when the Boss isnt use to a centre dash and doesnt check the guages...
 emoticon
Edited... sorry if first post in this thread was "a blown head gasket" in a Exy.....in that case there is no warning tone by my understanding
cheers


Last edited by Robbo0001, 19/Sep/2008, 5:17 pm


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Dave
99 GU Patrol 2.8TD
Ex-2002 T30 TI Xtrail
19/Sep/2008, 5:01 pm Link to this post Send Email PM   Send Private Message
 
Revhead Kev Profile
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Date Registered: 10-2006
Location: Mona Vale, Sydney, AUSTRALIA
TOTAL POSTS: 5785
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Re: Temp Gauge Warning Sound...


Sorry Dave,

The temp sensor is a variable resistance unit which connects into the ECU and the combination meter (dash guages) and feeds a variable voltage to the temp guage.
The overtemp light is part of the temperature mater and not from an on/off switch anywhere.

I would expect that it might be possible to find the track on the circuit board of the dash guages for the overtemp light and then power a small buzzer from it but I would say it would not be easy with my experience in modifying the dash guages for my 4WD Torque display bargraph.

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Kev X450(c) T30 Guru
03 Titanium Ti T30 Series 1 **MODIFIED**
My Blog
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19/Sep/2008, 5:23 pm Link to this post Send Email PM   Send Private Message Blog
 
Robbo0001 Profile
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Date Registered: 07-2008
Location: Brisvegas, Australia
TOTAL POSTS: 1063
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Re: Temp Gauge Warning Sound...


Cheers Kev,
yeah I am not going to go right down to circuit card/track level to install a buzzer. Would be easier to say "if that light comes on...pull over!" especially after reading your posts on modding the dash. Great effort, by the way, looks bloody good.
Strange they left a buzzer off ( in addition to the light) for "engine safety faults".. but still we still love the car!
Thanks mate
 emoticon

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Dave
99 GU Patrol 2.8TD
Ex-2002 T30 TI Xtrail
19/Sep/2008, 5:41 pm Link to this post Send Email PM   Send Private Message
 
jalalski Profile
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29094
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Re: Temp Gauge Warning Sound...


I haven't seen the buzzer sound to accompany the engine check light or overheating in any car before, but I find it impossible to miss the huge and flashing check engine light which would come-on when your car overheats, not to mention the fact that I always keep an eye on the temp guage under heavy load and hot weather conditions.

You'd have to ignore the temp guage warnings and flashing dash lights completely to cause a blown head gasket due to overheating, as it is not a matter of minutes for this to happen.

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19/Sep/2008, 6:29 pm Link to this post Send Private Message MSN Blog
 
Dadd Profile
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X-TRAIL ENTHUSIAST
 


Date Registered: 06-2008
Location: New South Wales
TOTAL POSTS: 182
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Re: Temp Gauge Warning Sound...


Tracked this down http://www.fullwavemarine.com/ ( Click on TM-2 Engine Watchdog on main page)
Seems to be for marine or automotive use. I'm not sure how useful it would be as it does not directly monitor coolant temperature. The sensor fits under a bolt "close to the heat source" ' I suppose somewhere on the cylinder head would be good.
Apparantly you get the engine to normal operating temperature and then set the alarm to go off when the temperature rises a few degrees above the level you set.
I suppose this system might have merit as I imagine that in the case of coolant loss the cylinder head would be the first thing to immediately start heating up, it is certainly very prone to damage from excessive heat, and the sensor would sound a buzzer as it detects temperature over normal.
I don't know that you'd have to mount the LCD on the dash if you didn't want to you could hide it out of sight and use the buzzer function for overheating in conjunction with the normal temp gauge.
Glenn.

Last edited by Dadd, 19/Sep/2008, 7:43 pm


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Glenn X-889
2008 ST Manual
19/Sep/2008, 6:36 pm Link to this post Send Email PM   Send Private Message ICQ AIM
 
cooch t31 Profile
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Date Registered: 06-2008
Location: Blue Mountains, NSW
TOTAL POSTS: 5966
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Re: Temp Gauge Warning Sound...


Hey guys
I have recently seen in an auto parts catalogue a temperature warning device.
It cost about $130 and gives an LCD display of temp and emits a warning sound when the coolant gets low. All you got to do is connect 1 wire to somewhere on the radiator.
I'll keep an eye out and if I find it I'll let you guys know.
Tony


Last edited by cooch t31, 19/Sep/2008, 7:50 pm


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Tony X-891c

HERE is my D22 Navara
HERE is my old 2008 T31, ST Series1

19/Sep/2008, 7:49 pm Link to this post Send Private Message
 
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29094
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Re: Temp Gauge Warning Sound...


Good info guys.

Glenn, the one you mentioned is selling on eBay for $149 (free postage)

The installation instructions can be found HERE

Last edited by jalalski, 19/Sep/2008, 7:58 pm


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19/Sep/2008, 7:56 pm Link to this post Send Private Message MSN Blog
 


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