Oil Temperature Sensor LOCATION - 99 2.8L

rossej · 09-25-2009, 08:14 PM

Does anyone have a good image of the oil temperature sensor location for a 1999 A6 2.8L?

My gauge doesn't move and fixing this is the next project I want to entertain. I have the Bentely Service manual but it doesn't give a very good description of where this is located. All I know is that is half way up the front of the engine of the drivers side. Again, pictures would be very nice...

Thank you.

4Driver4 · 09-26-2009, 03:26 AM

Sensor rarely fails. Have you done any diagnosis with VAG-COM?

thejulex · 09-26-2009, 09:01 AM

It is on front of engine, immediately to the right of crankshaft, between crankshaft and AC pulleys, just below the belt tensioner and therefore might be hard to spot when looking from above.

Anyway, use http://www.vagcat.com/epc/ (register) to see diagrams.

Thanks.

rossej · 09-26-2009, 10:10 AM

Quote:

Originally Posted by 4Driver4

Have you done any diagnosis with VAG-COM?

I don't have the VAG-COM software at the moment so I haven't diagnosed. Anyone in Pullman, WA/Moscow, ID area with VAG-COM?

I'll give you a run down of the symptoms: When the car is turned on I can see the oil temperature gauge move slightly. But is stuck of the most left position (indicating the coldest oil temp). A couple of weeks ago I drove it 300 miles including climbing over a mountain pass and the oil temp gauge never moved. I'm positive the oil was hotter than the gauge indicated.

rossej · 04-06-2010, 10:35 PM

Quote:

Originally Posted by 4Driver4

Sensor rarely fails. Have you done any diagnosis with VAG-COM?

I finally purchased VAGCOM. Hooked it up to the car and tried to see if the software would give me a temperature reading for the oil. I couldn't get a reading at all, essentially it said 0.0.

Are there any additional ways to test the oil temp sender with VAGCOM?

Does anyone know the wire route to the ECU?

Any input is appreciated.

Airbag · 08-13-2010, 11:35 AM

I have this EXACT issue ..I would imagine grounding the sender wire would peg the guage .. or defect it to maximum when disconnected ... the dissapointing part is I just did a timing belt after starting the car and it was probably right htere in front of me for testing doh !!!!

Airbag · 08-13-2010, 04:44 PM

update,,,, My 2000 for sure has the oil temp built into the oil level sender and must be replaced with OE unit ( Hella) . Others WILL NOT WORK >..
here is a link to the site with the cheapest one I found.. will update again after my next oil change ..

http://www.europaparts.com/oil-level...j0907660b.html

mpw · 08-13-2010, 06:30 PM

Thanks! I've been looking for this. I just ordered one myself.

Airbag · 08-14-2010, 12:47 PM

your welcome . just don't grab the last one before my order ships out

A6force · 01-20-2011, 09:18 PM

I have a 2001 2.7t and had a similar issue. The oil sensor light would go on and off and the temp gauge would stop working when the sensor light went on. i replaced it with a sensor made by Meyle, the sensor light stayed off but now the oil temp gauge doesnt work. I plan on buying the oem part now. I know this post is long after the original, but for anyone considering the cheaper replacement oil level sender... DONT DO IT! buy oem.

09-26-2009, 03:26 AM	#2
4Driver4 Tech Guru Garage is empty, add now Join Date: Oct 2002 Posts: 32,307	Sensor rarely fails. Have you done any diagnosis with VAG-COM? __________________ 4Driver4 "Never give up the throttle until the bitter end." -RC 2005 A6 Sedan Q 3.2 (wife's whip) 2000 A4 Avant Q 2.8 (daily driver) 2003 Mini Cooper S (Fun!) 1995 Mazda Miata: the anti-Audi 1999 Mazda Miata SSB: track beotch 2003 GMC Yukon Denali XL: the anti-earth 2004 Dodge Dakota: hey, at least it's stick and 4x4

08-13-2010, 04:44 PM	#7
Airbag AudiWorld Senior Member Garage is empty, add now Join Date: Oct 2006 Location: In my Garage Posts: 649	update,,,, My 2000 for sure has the oil temp built into the oil level sender and must be replaced with OE unit ( Hella) . Others WILL NOT WORK >.. here is a link to the site with the cheapest one I found.. will update again after my next oil change .. http://www.europaparts.com/oil-level...j0907660b.html Last edited by Airbag; 08-14-2010 at 12:31 PM.

08-13-2010, 06:30 PM	#8
mpw AudiWorld Member Garage is empty, add now Join Date: Feb 2005 Posts: 560	Thanks! I've been looking for this. I just ordered one myself. __________________ 2000 A6 2.7T 6MT Ebony Pearl/Tungsten

01-20-2011, 09:18 PM	#10
A6force AudiWorld Newcomer 2001 Audi A6 Join Date: Jan 2011 Location: wisconsin Posts: 9	Similar issue I have a 2001 2.7t and had a similar issue. The oil sensor light would go on and off and the temp gauge would stop working when the sensor light went on. i replaced it with a sensor made by Meyle, the sensor light stayed off but now the oil temp gauge doesnt work. I plan on buying the oem part now. I know this post is long after the original, but for anyone considering the cheaper replacement oil level sender... DONT DO IT! buy oem.

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09-26-2009, 09:01 AM	#3
thejulex AudiWorld Senior Member Garage is empty, add now Join Date: Aug 2009 Posts: 858	It is on front of engine, immediately to the right of crankshaft, between crankshaft and AC pulleys, just below the belt tensioner and therefore might be hard to spot when looking from above. Anyway, use http://www.vagcat.com/epc/ (register) to see diagrams. Thanks.

08-13-2010, 11:35 AM	#6
Airbag AudiWorld Senior Member Garage is empty, add now Join Date: Oct 2006 Location: In my Garage Posts: 649	I have this EXACT issue ..I would imagine grounding the sender wire would peg the guage .. or defect it to maximum when disconnected ... the dissapointing part is I just did a timing belt after starting the car and it was probably right htere in front of me for testing doh !!!!

08-14-2010, 12:47 PM	#9
Airbag AudiWorld Senior Member Garage is empty, add now Join Date: Oct 2006 Location: In my Garage Posts: 649	your welcome . just don't grab the last one before my order ships out