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1999.5 vw jetta is there a temp sensor near the radiator

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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fossilruins
  • 114 Answers

SOURCE: how to replace a coolant temp sensor on a 2001 vw jetta 2.0

here is a picture of where it's located on your jetta:

5cedee0.gif

Posted on Jun 21, 2008

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  • 84 Answers

SOURCE: how to replace a coolant temp sensor on a 2001 vw jetta 2.0

Yes it is that easy. It should be a 4 pin connector located on the transmission side of the engine head in a plastic flange. Best is to wait for the engine to be cold. Unscew the radiator cap to relieve pressure but screw it right back on. On the 2.0L engines when you unclip the coolant sensor little or not coolant loss will happen if you do this. Just unplug it, pull out the clip, pull out the sensor, and the seal which sometimes stays stuck. Install the new sensor with a new seal lubricated with some coolant, make sure it's well seated and reinstall the clip. The sensor is well seated if the clip fits right over the top, just make sure both sides clipped into position. Replug it fill the coolant with VW original coolant mixed 50-50 with water if needed and done. If you have a fault you might need a scanner to erase the check engine or fault in the cluster.

What's the reason for changing it? Eratic temperature readings?

Posted on Nov 29, 2008

  • 2 Answers

SOURCE: cooling fan switch/or sensor

The Coolant temp Sensor is located right under the top radiator hose (on the engine side), with a little black connector!, You might have to remove th etop hose to get to it with a deep socket and extension!.
Also Dont Forget to blled the coolant system by the bleeder valve uptop right near/above the coolant sensor!.(10MM Mini socket w/ extension IIRC!)

Posted on Sep 28, 2009

rokkits
  • 17 Answers

SOURCE: 1999 2.0L VW Jetta coolant leak behind crankshaft pulley

The MK3 VW's are prone to failure of the "coolant flange", which is located to the right of the valve cover, and will have 4-5 hoses and or sensors sprouting from it.

I'd be willing to bet that this is the source of your leak, not the cam pulley.

The part is inexpensive.

Posted on Mar 15, 2010

TDISLine
  • 1874 Answers

SOURCE: need exact location and picture

The exact locations and picture of Engine Coolant Temp (ECT) sensors on 2004 VW Jetta TDI:

1. ECT sensor 1 placed on cylinder head:

4b3512b.jpg


2. ECT sensor 2 placed on the left bottom side of the radiator:

9ce325e.jpg

Posted on Sep 22, 2010

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1 Answer

Radiator fan not turning on 1999 vw jetta


sounds like your temp control sensor is not working,this sensor is located on your rad has two wires coming out of it and is easy to change, if your car is running and up to temp and the fan is not powering up this is most likely your problem good luck.

Nov 28, 2011 | Cars & Trucks

1 Answer

Temp Sensor in my VW 2002 Jetta was replaced due to a Check Engine light and a code noting this needed to be done. Once complete my car began heating up. Coolant light came on and my temp gauge pegged in...


If your radiator fans are not running at all than I would check over the wires your disconnected when rpolacing the temp sensor. Make sure they are fully connected. That would be the first thing I would check.

Good Luck

Aug 01, 2011 | 2002 Volkswagen Jetta TDI

1 Answer

Coolant sensor replacement


The exact locations and picture of Engine Coolant Temp (ECT) sensors on 2001 VW Jetta TDI:

1. ECT sensor 1 placed on cylinder head:

tdisline_485.jpg




2. ECT sensor 2 placed on the left bottom side of the radiator:

tdisline_486.jpg

Apr 28, 2011 | 2001 Volkswagen Jetta TDI

1 Answer

Need exact location and picture of coolant temp sensor on tdi vw jetta 2004 please Thanks


The exact locations and picture of Engine Coolant Temp (ECT) sensors on 2004 VW Jetta TDI:

1. ECT sensor 1 placed on cylinder head:

4b3512b.jpg


2. ECT sensor 2 placed on the left bottom side of the radiator:

9ce325e.jpg

Sep 21, 2010 | 2004 Volkswagen Jetta

1 Answer

Is there more then one temp sensor on a 1999.5 vw jetta 2.0 Litre? If so, does one control the radiator fan and another for the gauge? Can the sensor(s) be benched tested, if so, how?


the fan is computer controlled so in order to diagnose it you need a scanner to look in the computer to see what it sees. If your overheating at idle then most likely the fan relay or the fan itself failed providing the computer is ok. Try turning on the AC. If the fan does not turn on you may need a professional diagnostics to be accurate.

May 15, 2010 | 1999 Volkswagen New Jetta

1 Answer

1999 2.0L VW Jetta coolant leak behind crankshaft pulley


The MK3 VW's are prone to failure of the "coolant flange", which is located to the right of the valve cover, and will have 4-5 hoses and or sensors sprouting from it.

I'd be willing to bet that this is the source of your leak, not the cam pulley.

The part is inexpensive.

Jan 18, 2010 | 1999 Volkswagen Jetta

1 Answer

Code P2185 2005 VW Jetta 2.5 5cyl


There are two coolant temp sensors. One by the oil filler tube and one near the bottom radiator hose near the radiator.
When you flushed the coolant did you replace with VW rated G12 coloant? Very Important! - You can't use over the counter coolant - it'll cause sludge in your system. You have to use G12...

Hope this helps!
Please rate/vote! Thanx!

Jul 17, 2009 | 2007 Volkswagen Jetta 2.5 Sedan

2 Answers

1999 VW New Beetle Coolant Temp Sensor


at the back of the cylinder head gearbox end it sits in the water pipe

Dec 20, 2008 | 1999 Volkswagen New Jetta

1 Answer

How to replace a coolant temp sensor on a 2001 vw jetta 2.0


Yes it is that easy. It should be a 4 pin connector located on the transmission side of the engine head in a plastic flange. Best is to wait for the engine to be cold. Unscew the radiator cap to relieve pressure but screw it right back on. On the 2.0L engines when you unclip the coolant sensor little or not coolant loss will happen if you do this. Just unplug it, pull out the clip, pull out the sensor, and the seal which sometimes stays stuck. Install the new sensor with a new seal lubricated with some coolant, make sure it's well seated and reinstall the clip. The sensor is well seated if the clip fits right over the top, just make sure both sides clipped into position. Replug it fill the coolant with VW original coolant mixed 50-50 with water if needed and done. If you have a fault you might need a scanner to erase the check engine or fault in the cluster.

What's the reason for changing it? Eratic temperature readings?

Nov 28, 2008 | 1999 Volkswagen New Jetta

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