Question about 2000 Saab 9-3 Viggen

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Coolant Temperature Sensor 2000 9-5 SE V6

Need to know how to replace a coolant temperature sensor on a Saab 95 SE V6. I notice the (CE) light came on took it in and was told that the sensor was bad..... They want $350.00 including part.hahahah The part only cost $95.00 @ Auto Zone!!! Well the great thing is am mechanically inclined however this is a foreign car sooo... need a little help step by step would be find really great if I could get a manual like any other car however I know that out the question then who would need the Automotive shops!!!!

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  • kelvind Oct 21, 2008

    No Haynes or Chiltons on saab as of yet no matter what year or model. It a way to keep do-it-yourself in check!!!!!

  • mfln Dec 11, 2008

    I own a 2002 Saab 95 and as I was driving home from work last night, I noticed the Check engine light come on. I did a quick check of all other gauges and noticed that the temeprature gauge needle, which is normally half way between hot and cold was at the cold end throughout my drive home. When I got home, I turned off the engine and turned it back on, the temeprature gauge was now between hot and cold, but the check engine light was still on.

    I would appreciate any thoughts anyone might have on this problem.

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Just did last night on my 9-3. Part was less than $20 at NAPA! Found the best guide here:

http://www.saabcentral.com/forums/showthread.php?t=159393

Really took only 5 minutes. Push in on the electrical connector to be able to sqeeze the latch mechanism for removal. I didn't even lose enough coolant to replace.

Posted on Sep 10, 2009

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Saabnet.com has a tech who logs on to their chat page. That is a good place to get help. A very resource filled site.

Posted on Nov 22, 2008

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Ask if they have a Haynes or a Chiltons or any repair manual, I am not very smart when it comes to foreign cars. Thats they best answer I can give you

Posted on Oct 21, 2008

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2 Answers

Coolant boiling in resevoir.


It can be faulty coolant temperature sensor.Its not sensing exact coolant heat temperature so its overheating then required level.

-----------

Get the coolant pressure tested, its definitely leaking coolant. You will need to get the coolant running line.


Pressure test will help you to know from where exactly coolant/refrigerant is getting leaked.

===========

For complete step by step troubleshooting i suggest you to go through the help links mentioned below :----

Click the link below :-----


Coolant enters in transmission on Toyota Land cruiser?

http://schematicsdiagram.blogspot.com/2012/01/coolant-enters-in-transmission-on.html

--------------

1991 Toyota Camry: Order Coolant Bypass Tube?

http://whatisbyme.blogspot.in/2012/05/1991-toyota-camry-order-coolant-bypass.html

-------------

2002 Toyota Camry: Puff of Blue or White Smoke while Starting?

http://whatisbyme.blogspot.in/2012/05/2002-toyota-camry-puff-of-blue-or-white.html

----------------

1994 Toyota Camry: Coolant Leak?

http://technoanswers.blogspot.in/2012/04/1994-toyota-camry-coolant-leak.html

----------

2006 Cadillac DTS: COOLANT LEAK AT DRIVER SIDE NEAR FIREWALL?

http://schematicsdiagram.blogspot.in/2012/04/2006-cadillac-dts-coolant-leak-at.html

----------

MAF, IAT, MAP and Coolant Level Sensor problem all together on Mazda MPV?

http://schematicsdiagram.blogspot.com/2011/12/maf-iat-map-and-coolant-level-sensor.html

---------------

GMC Engine Coolant Temperature (ECT) Sensor Replacing?

http://schematicsdiagram.blogspot.com/2011/12/gmc-engine-coolant-temperature-ect.html

------------

Loosing Coolant?

http://whoisbyme.blogspot.in/2012/06/loosing-coolant.html

---------------

Coolant temperature sensor dies again and again?

http://schematicsdiagram.blogspot.com/2012/01/coolant-temperature-sensor-dies-again.html

------------

2000 Daewoo Lanos: Where to Add Coolant?

http://repairhelpcenter.blogspot.in/2012/06/2000-daewoo-lanos-where-to-add-coolant.html

Blue Water Warning Light on Dash?

http://whatisbyme.blogspot.in/2012/07/blue-water-warning-light-on-dash.html

---------------

Replacing Oldsmobile Engine coolant sensor?

--------------

How to test Engine coolant temperature sensor?

------------------

Replace Coolant Sensor Module on Oldsmobile?

-----------

These details will help.

Thanks.

Nov 28, 2012 | 1996 Lexus GS 300

1 Answer

Gs300 coolant is bubbling in resevoir,but temp is fine ?


Get coolant temp sensor checked.

Get the coolant pressure tested, its definitely leaking coolant. You will need to get the coolant running line.


Pressure test will help you to know from where exactly coolant/refrigerant is getting leaked.

===========

For complete step by step troubleshooting i suggest you to go through the help links mentioned below :----

Click the link below :-----


Coolant enters in transmission on Toyota Land cruiser?

http://schematicsdiagram.blogspot.com/2012/01/coolant-enters-in-transmission-on.html

--------------

1991 Toyota Camry: Order Coolant Bypass Tube?

http://whatisbyme.blogspot.in/2012/05/1991-toyota-camry-order-coolant-bypass.html

-------------

2002 Toyota Camry: Puff of Blue or White Smoke while Starting?

http://whatisbyme.blogspot.in/2012/05/2002-toyota-camry-puff-of-blue-or-white.html

----------------

1994 Toyota Camry: Coolant Leak?

http://technoanswers.blogspot.in/2012/04/1994-toyota-camry-coolant-leak.html

----------

2006 Cadillac DTS: COOLANT LEAK AT DRIVER SIDE NEAR FIREWALL?

http://schematicsdiagram.blogspot.in/2012/04/2006-cadillac-dts-coolant-leak-at.html

----------

MAF, IAT, MAP and Coolant Level Sensor problem all together on Mazda MPV?

http://schematicsdiagram.blogspot.com/2011/12/maf-iat-map-and-coolant-level-sensor.html

---------------

GMC Engine Coolant Temperature (ECT) Sensor Replacing?

http://schematicsdiagram.blogspot.com/2011/12/gmc-engine-coolant-temperature-ect.html

------------

Loosing Coolant?

http://whoisbyme.blogspot.in/2012/06/loosing-coolant.html

---------------

Coolant temperature sensor dies again and again?

http://schematicsdiagram.blogspot.com/2012/01/coolant-temperature-sensor-dies-again.html

------------

2000 Daewoo Lanos: Where to Add Coolant?

http://repairhelpcenter.blogspot.in/2012/06/2000-daewoo-lanos-where-to-add-coolant.html

Blue Water Warning Light on Dash?

http://whatisbyme.blogspot.in/2012/07/blue-water-warning-light-on-dash.html

---------------

Replacing Oldsmobile Engine coolant sensor?

--------------

How to test Engine coolant temperature sensor?

------------------

Replace Coolant Sensor Module on Oldsmobile?

-----------

These details will help.

Thanks.

Nov 28, 2012 | 1994 Lexus GS 300

2 Answers

Hi there i have a 2007 vauxhall zafira lossing coolent needs top up every two weeks at times smells of burning rubber and gets very somkie can run this off after about 5 minutes


Get the coolant pressure tested,its definitely leaking coolant.You will need to get the coolant running line.
Pressure test will help you to know from where exactly coolant/refrigerant is getting leaked.===========For complete step by step troubleshooting i suggest you to go through the help links mentioned below :----Click the link below :-----

Coolant enters in transmission on Toyota Land cruiser?
http://schematicsdiagram.blogspot.com/2012/01/coolant-enters-in-transmission-on.html
--------------

1991 Toyota Camry: Order Coolant Bypass Tube?

http://whatisbyme.blogspot.in/2012/05/1991-toyota-camry-order-coolant-bypass.html


-------------

2002 Toyota Camry: Puff of Blue or White Smoke while Starting?

http://whatisbyme.blogspot.in/2012/05/2002-toyota-camry-puff-of-blue-or-white.html
----------------

1994 Toyota Camry: Coolant Leak?

http://technoanswers.blogspot.in/2012/04/1994-toyota-camry-coolant-leak.html
----------

2006 Cadillac DTS: COOLANT LEAK AT DRIVER SIDE NEAR FIREWALL?

http://schematicsdiagram.blogspot.in/2012/04/2006-cadillac-dts-coolant-leak-at.html
----------

MAF, IAT, MAP and Coolant Level Sensor problem all together on Mazda MPV?

http://schematicsdiagram.blogspot.com/2011/12/maf-iat-map-and-coolant-level-sensor.html

---------------

GMC Engine Coolant Temperature (ECT) Sensor Replacing?

http://schematicsdiagram.blogspot.com/2011/12/gmc-engine-coolant-temperature-ect.html


------------

Loosing Coolant?

http://whoisbyme.blogspot.in/2012/06/loosing-coolant.html


---------------

Coolant temperature sensor dies again and again?


http://schematicsdiagram.blogspot.com/2012/01/coolant-temperature-sensor-dies-again.html


------------

2000 Daewoo Lanos: Where to Add Coolant?

http://repairhelpcenter.blogspot.in/2012/06/2000-daewoo-lanos-where-to-add-coolant.html

Blue Water Warning Light on Dash?

http://whatisbyme.blogspot.in/2012/07/blue-water-warning-light-on-dash.html
---------------

Replacing Oldsmobile Engine coolant sensor?

--------------
How to test Engine coolant temperature sensor?
------------------

Replace Coolant Sensor Module on Oldsmobile?

-----------

These details will help.

Thanks.


Nov 27, 2012 | Cars & Trucks

1 Answer

Jetta Warning Light


It says that your vehicle is low on coolant.Get the coolant level checked.If low has to be changed.

------------Check out few help links related to your issue.Click the link below:---


Service 4wd warning light on Dash? http://howtobyme.blogspot.com/2011/11/service-4wd-warning-light-on-dash.html

---------
Car Turns OFF due to low oil pressure warning light? http://schematicsdiagram.blogspot.com/2011/12/car-turns-off-due-to-low-oil-pressure.html

---------
Hybrid warning Light ON? http://whatisbyme.blogspot.in/2012/05/2005-toyota-prius-hybrid-warning-light.html

---------
Order Coolant Bypass Tube? http://whatisbyme.blogspot.in/2012/05/1991-toyota-camry-order-coolant-bypass.html

----------
Coolant Leak? http://technoanswers.blogspot.in/2012/04/1994-toyota-camry-coolant-leak.html

----------
COOLANT LEAK AT DRIVER SIDE NEAR FIREWALL? http://schematicsdiagram.blogspot.in/2012/04/2006-cadillac-dts-coolant-leak-at.html
----------
MAF, IAT, MAP and Coolant Level Sensor problem all together? http://schematicsdiagram.blogspot.com/2011/12/maf-iat-map-and-coolant-level-sensor.html

----------
Engine Coolant Temperature (ECT) Sensor Replacing? http://schematicsdiagram.blogspot.com/2011/12/gmc-engine-coolant-temperature-ect.html Loosing Coolant? http://whoisbyme.blogspot.in/2012/06/loosing-coolant.html
---------- Coolant temperature sensor dies again and again?


http://schematicsdiagram.blogspot.com/2012/01/coolant-temperature-sensor-dies-again.html
----------- Where to Add Coolant? http://repairhelpcenter.blogspot.in/2012/06/2000-daewoo-lanos-where-to-add-coolant.html
-----------
------------ Blue Water Warning Light on Dash? http://whatisbyme.blogspot.in/2012/07/blue-water-warning-light-on-dash.html

--------------

Oct 09, 2012 | 1995 Volkswagen Jetta

1 Answer

Code 1 senser P0118 on a 2004 V.W beetle dicesel


P0118 for Volkswagen - (ECT) Engine Colant Temperature Circuit High

Symptoms:- Engine Light ON (or Service Engine Soon Warning Light)

Possible causes:
(Inspect the following... Repair/Replace if necessary)
- Low engine coolant level
- Engine Coolant Temperature (ECT) sensor harness is open or shorted
- Engine Coolant Temperature (ECT) sensor electrical circuit poor connection
- Faulty Engine Coolant Temperature (ECT) sensor
- Faulty engine coolant thermostat

P0118 VOLKSWAGEN Description: The Engine Coolant Temperature (ECT) sensor is used to detect the engine coolant temperature. The sensor modifies a voltage signal from the Engine Control Module (ECM). The modified signal returns to the (ECM) as the engine coolant temperature input. The sensor uses a thermistor which is sensitive to the change in temperature. The electrical resistance of the thermistor decreases as temperature increases.
When is the code detected?:When an excessively high voltage from the sensor is sent to ECM.

I hope this helps! Let me know if you need further assistance.

Mar 08, 2012 | Mercedes-Benz C Cars & Trucks

1 Answer

I want to replace cooling temperature sensor but I can't locate where it is? I have a Haynes Repair Manual book but it is not clear. My car is Volkswagon Jetta TDI 2000. Does anyone know please give me...


COOLANT TEMPERATURE SENSOR THREADS INTO A COOLANT PIPE NEAR THE COOLANT OUTLET.LOOK AT SMALL COOLANT PIPES AT RADIATOR.YOU WILL SEE A SENSOR WITH WIRES CONNECTING TO IT.WITH COOLANT COOLANT HOSES CONNECTED TO IT.COOLANT TEMPERATURE SENSOR IS BETWEEN TWO COOLANT HOSES CANT MISS IT.YOU HAVE TO SQUEEZE CLAPS ON HOSES WITH PLIERS IN ORDER TO REMOVE HOSES FROM COOLANT SENSOR.

Apr 13, 2011 | 2000 Volkswagen Jetta TDI

2 Answers

Could you tell me where the coolant temperature sensor is located on a 2001 kia optima (V6)?


Grab the top radiator hose, follow it to the engine, where it meets the engine is where the sensor is.

Dec 09, 2010 | 2001 Kia Optima

1 Answer

The check enging light comes on then goes off. I foud out the code po118 engine coolant temp circut high input. is it the coolant temp sensor. if so how do I replace it. It is on a 2004 jetta tdi


According to Autozone.com:

Because ECT (engine coolant temperature) sensor procedures vary depending upon their location, first locate the part. You may need to partially drain the engine coolant to prevent coolant spillage.
  • Disconnect the negative battery cable.
  • Unplug the ECT.
  • Then, unscrew it.
  • Reverse the removal procedures to install the new part.
  • Connect the negative battery cable to the battery.



    Related Parts:
---
Coolant Temperature Sensor printpage_icon.gif



0900c152801bfc38.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Remove the coolant temperature sensor
The coolant temperature gauge sensor is a temperature-variable resistor, or thermistor. As coolant temperature increases, the resistance of the sensor decreases or decreases, depending on the type of sensor.
A1 and A2 platforms use a different type of circuit that A3 vehicles. On A1 and A2 vehicles, the circuit is a "resistance to ground" type. A3 vehicles use a "variable voltage" type, where a voltage is supplied to the sensor. Because of the circuitry design on A3 vehicles, testing of the coolant temperature gauge is limited.
The engine coolant temperature gauge uses a heat sensitive sending unit to transmit an electrical signal to the gauge. The sending unit is a heat sensitive variable resistor that is located on or near to the cylinder head and threads into an engine coolant passage. The sensors are a Negative Temperature Coefficient (NTC) type. As the temperature increases, the electrical resistance of the sensor decreases. As the coolant temperature changes, so does the resistance of the sensor. The gauge is calibrated within the operating range of the sensor and interprets the resistance value to display the coolant temperature.
Beginning with model year 1994, the engine coolant gauge and the Engine Control Module (ECM) temperature sensors were combined into one sensor with 4 terminals. The basic operation remains the same in that their resistance decreases as the coolant temperature increases, however the actual resistance values of the 2 sensor circuits are different. The electrical connector of the 4-wire terminal sensor ( 1 and 2 ) is keyed to prevent improper connection of the sensor's electrical circuit.

0900c152801bfc39.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Beginning with model year 1994, the Engine Coolant Temperature Sensors combined the sensors for the ECM and the gauge into one sensor-1997 2.8L V6 sensor shown


0900c152801bfc3a.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. The electrical connector for the combined temperature sensors is keyed to avoid improperly connecting the sensor's wiring-1997 2.8L V6 connector shown

Oct 17, 2010 | 2004 Volkswagen Jetta

1 Answer

1995 Audie A90 Coolant Temperature Sensor replacement


It's located under the hood, driver side, upper engine area, mounted on rear of engine block behind cyl. head.

Dec 09, 2008 | 1995 Audi 90

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