displaying posts 1 to 13 of 13

Author Subject: Temperature gauge Fault?? (and possibly Fan relay)
ed_doe

Regular

Location: Milford

Registered: 26 Aug 2009

Posts: 255

Status: Offline

Post #1
Righto,

With extensive help from a couple of mates on saturday, we got the loom changed again! After some teething issues which ended up as an earth point not mounted, the car fired up and runs fine. HOWEVER....

There is still this temperature issue... (see this thread for details: http://www.306gti6.com/forum/showthread.php?id=153636)

I wont bore you with all the details as I'm sure most will gouge their eyes out at having to read another thread about me moaning about my car.... but I noticed something when I got to work today... took a video of it (link below)

https://dl.dropbox.com/u/91691146/2013-02-18%2007.54.27.mp4

So when I turn the lights on, the engine runs hotter....

I'm now hoping if I wash my rear windscreen at the same time as pushing the fag lighter, the fans will turn on...?

Now, one of my sidelight bulbs is out (n/s headlight), I don't know exactly when this happened, but I took the bulb out when I was stuck at the side of the road last week waiting for the AA last week (long story, thought i had an airlock, lost the matrix pipes bleed cap, had no tools etc etc) . Is it back-feeding something to do with the temp sensor?

Any ideas anyone? I think I'll just drive home with my lights off tonight as it makes me feel better with the temperature at 90ish rather than 100...!

________________________________________

'97 Black Dturbo 110,000miles: SOLD
'99 Ph3 Diablo Gti6 108k RIP
'93 106 1.5n/a d: daily hack YAAAAAWN
'00 Ph3 Astor GTi6 117k Love
Posted 18th Feb 2013 at 13:52
ed_doe

Regular

Location: Milford

Registered: 26 Aug 2009

Posts: 255

Status: Offline

Post #2
Anyone? Surely someone's had this issue before?! Before I take it to lynx on the weekend? Sad

________________________________________

'97 Black Dturbo 110,000miles: SOLD
'99 Ph3 Diablo Gti6 108k RIP
'93 106 1.5n/a d: daily hack YAAAAAWN
'00 Ph3 Astor GTi6 117k Love
Posted 18th Feb 2013 at 22:04
bigbadbowen

Seasoned Pro

Location: Winchester

Registered: 21 Nov 2003

Posts: 13,752

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Post #3
Never seen that before ? Tried a different set of dials just to eliminate that as the problem ?
Posted 18th Feb 2013 at 22:29
ed_doe

Regular

Location: Milford

Registered: 26 Aug 2009

Posts: 255

Status: Offline

Post #4
No not yet, I'll add it to the list...
Driving to work this morning, I've also noticed the blowers have an effect on the gauge also, on full the gauge shoots up and off it come back down again....
Another thing I've noticed which that video shows too is that when the engine is off the gauge shows a very different temperature... I'm inclined to think that's the true temperature and that when the engine is running, it somehow starts to affect the gauge reading...

________________________________________

'97 Black Dturbo 110,000miles: SOLD
'99 Ph3 Diablo Gti6 108k RIP
'93 106 1.5n/a d: daily hack YAAAAAWN
'00 Ph3 Astor GTi6 117k Love
Posted 19th Feb 2013 at 07:49
306xsi

Junior User

Location: Suffolk

Registered: 08 Feb 2006

Posts: 90

Status: Offline

Post #5
Is it worth checking the earth for the dashboard? All sorts of funny stuff happens because of dodgy earths. Had a quick read of some other posts and the earth should be in the footwell near the accelerator pedal, under the carpet. Can't hurt i guess.
Posted 19th Feb 2013 at 08:17
ed_doe

Regular

Location: Milford

Registered: 26 Aug 2009

Posts: 255

Status: Offline

Post #6
Thanks mate I'll have a look at lunch if I get the chance

________________________________________

'97 Black Dturbo 110,000miles: SOLD
'99 Ph3 Diablo Gti6 108k RIP
'93 106 1.5n/a d: daily hack YAAAAAWN
'00 Ph3 Astor GTi6 117k Love
Posted 19th Feb 2013 at 08:21
stan_306gti6 Forum Admin

Location: Kent

Registered: 18 Jan 2004

Posts: 21,768

Status: Offline

Post #7
This is definitely an electrical issue whereby when more current is required it ups the current feed to the gauge and therefore the gauge reads higher than it should. As above check ALL Earth points for clean/tight connections.

________________________________________

"Supercharged - 454.1bhp/317.5lb/ft"
Peugeot 306 GTi-6
2000 (X), Moonstone Love
Posted 19th Feb 2013 at 08:52
ed_doe

Regular

Location: Milford

Registered: 26 Aug 2009

Posts: 255

Status: Offline

Post #8
Another thing I've noticed is the car is s**t to start in the mornings these days despite having a brand spanking new bosch silver top on it as of last weekend...

Complete newbie question, can anyone run off a quick list of the earth points so i can check them over?

Cheers

________________________________________

'97 Black Dturbo 110,000miles: SOLD
'99 Ph3 Diablo Gti6 108k RIP
'93 106 1.5n/a d: daily hack YAAAAAWN
'00 Ph3 Astor GTi6 117k Love
Posted 19th Feb 2013 at 09:08
tvrfan007

Seasoned Pro

Location: In the garage

Registered: 29 May 2005

Posts: 3,488

Status: Offline

Post #9
The main gearbox earth atttaches to the top of the casing, and reaches the nearside rail right undreneath the battery. Struggling to start may be indicative of a corroding earth, I had this on my Rover a number of years ago.

there is also a pair of small earths, one in front and one behind the gearbox earth..

Interior wise i'm not sure. there's an earth for the dash in the drivers footwell under the pedals somewhere, but I doubt you've disturbed that.

________________________________________

I'm Si btw Tee hee

Night Blue VW Golf GTD
Bianca LBSC Rallye - Track/Road Slag Project Thread
Sparkling Silver Mini Cooper D - Super Dooper Superman - (The other half's wheels)
Posted 19th Feb 2013 at 09:29
Niall

Seasoned Pro

Location: Epsom

Registered: 06 Jun 2012

Posts: 1,941

Status: Offline

Post #10
Ed, in the guides section on OC is a complete list and diagram of all earths.
Posted 19th Feb 2013 at 19:36
ed_doe

Regular

Location: Milford

Registered: 26 Aug 2009

Posts: 255

Status: Offline

Post #11
Right, all fixed!

Gearbox Earth was so loose I'm surprised it hadn't already fallen off completely!!


I'm a massive plonker for not having checked it earlier.


This thread shoudl hopefully help prevent anyone stupid enough not to check earth points like I did; wierd symptoms (oil gauge & coolant gauge in the end were increasing when additional loads were placed on the battery, ie blower turned to fulll, windscreen wipers on, fogs on, rear window deicer on (that was a biggie!) etc.


Cheers for all your input guys Smile


The end.

________________________________________

'97 Black Dturbo 110,000miles: SOLD
'99 Ph3 Diablo Gti6 108k RIP
'93 106 1.5n/a d: daily hack YAAAAAWN
'00 Ph3 Astor GTi6 117k Love
Posted 19th Feb 2013 at 21:53
tvrfan007

Seasoned Pro

Location: In the garage

Registered: 29 May 2005

Posts: 3,488

Status: Offline

Post #12
Sorted then. Surprised it started to be honest.

________________________________________

I'm Si btw Tee hee

Night Blue VW Golf GTD
Bianca LBSC Rallye - Track/Road Slag Project Thread
Sparkling Silver Mini Cooper D - Super Dooper Superman - (The other half's wheels)
Posted 19th Feb 2013 at 22:05
ed_doe

Regular

Location: Milford

Registered: 26 Aug 2009

Posts: 255

Status: Offline

Post #13
Yeah me too actually!! It had literally got to the point where it was cranking at about one swing a second . particularly bad with the cold the last couple of mornings! Never mind sorted now!

________________________________________

'97 Black Dturbo 110,000miles: SOLD
'99 Ph3 Diablo Gti6 108k RIP
'93 106 1.5n/a d: daily hack YAAAAAWN
'00 Ph3 Astor GTi6 117k Love
Posted 19th Feb 2013 at 22:10

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