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Northstar thermostat location - 2008 Cadillac Xlr V

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Northstar v-8 thermostat


Follow the upper radiator hose back to the engine. Where the hose connect on the engine there should be a housing that contains your thermostat.

Feb 12, 2012 | Ford Taurus Cars & Trucks

1 Answer

Where is the thermostat located on a 96 Cadillac Northstar engine. a pic would help.


on driver side under the hood at front remove the bottom radiator hose from the engine remove two bolts and the thermostat is behind that make sure you install it correctly

Aug 29, 2010 | 1996 Cadillac DeVille

2 Answers

Need to replace thermostat, and new radiator cap. Have any instructions?


Assuming you have the Northstar engine.....

The thermostat in the northstar engine is located at the bottom radiator hose (unlike most conventional cooling systems), the hose connects into the housing where you will also find the water pump.

You will need to remove the air filter housing and air duct to gain easy access to the thermostat.

Remove the hose from the housing,then remove the two bolts on the flange,the thermostat can then be pulled out.

Take note of the orientation of the thermostat as you remove it.

The thermostat in the Northstar engine is a duel action device.
One end of the stem is the Thermostat(obviously) and at the other end is a spring loaded pressure valve(the thinner end).
Make sure the thermostat end is nearest the rubber hose and the pressure valve end is in towards the engine.

Don't forget the new gasket when you install your new stat, you may have to order this separately.

There is no radiator cap.The only cap is on the purge tank and these are quite cheap to buy and easy to replace.

Jun 14, 2010 | 1996 Cadillac DeVille

1 Answer

I have a 97' cadillac Deville. I found the thermostat in the lower hose just below the upper hose. Is it suppose to be in the upper? Is there a certain orientation for the new thermostat?


The thermostat in the Northstar is in the lower hose as you have stated.
The thermostat in the Northstar engine is a duel action device.
One end of the stem is the Thermostat(obviously) and at the other end is a spring loaded pressure valve(the thinner end).
Make sure the thermostat end is nearest the rubber hose and the pressure valve end is in towards the engine.
The cooling system in the Northstar does not work like the older,conventional systems, this is why most people are confused when they find the Thermostat in the lower hose.

Apr 14, 2010 | 1997 Cadillac DeVille

1 Answer

Need to locate the thermostat for replacement. where is it?


The thermostat is located on the drivers side,In front of the belt driven water pump.If you havent had much experience with the northstar engine you may wanna have a repair shop replace it.

Jan 29, 2010 | 1998 Cadillac DeVille

1 Answer

Replacing the thermostat on a cadillac deville


Assuming you have the Northstar engine....

The thermostat in the northstar engine is located at the bottom radiator hose (unlike most conventional cooling systems), the hose connects into the housing where you will also find the water pump.
Remove the hose from the housing,then remove the two bolts on the flange,the thermostat can then be pulled out.
Take note of the orientation of the thermostat as you remove it.
Don't forget the new gasket when you install your new stat.

Jan 12, 2010 | 1995 Cadillac DeVille

2 Answers

Need to know where the thermostat is on my 99 deville


Hi,
The thermostat is located in a housing attached to your engine, where the top radiator hose is connected to that housing.
I hope this helps...

Oct 16, 2009 | 1999 Cadillac DeVille

1 Answer

Whta size thermostat for a 97 northstar engine?


Your engine is a 4.6 liter 281 CID V8.

There are thermostat rated for 180f or 195f for your engine,

I will select a 195f thermostat with a pressure relief poppet/valve to protect the coolant hoses.





Jul 17, 2009 | 1997 Cadillac DeVille

2 Answers

AM TRYING TO LOCATE THE THERMOSTAT IN MY 2001 CADILLAC SEVILLE


Your car probably has the 4.6 northstar. If this is the case the thermostat is in the water pump housing at the drivers side of the engine. follow the lower rad hose to the pump housing and its contained in a black (2 bolt 10 mm) housing.

May 04, 2009 | 1998 Cadillac Seville

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