Question about 1996 Cadillac DeVille

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

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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

Posted on Aug 29, 2010

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Where is the hi heat sensing control to turn on the fans to the radiator located on a 2000 cadillac northstar engine , mine is turning on at 222 degrees and i think thats to high , i would like to change...


REPLACE THERMOSTAT AND RADIATOR PRESSURE CAP TO BE ON THE SAFE SIDE.I SEEN CADILLAC RUNS A 192 TO 199 DEGREE THERMOSTAT.CADILLAC 4.6L 4.9L ENGINES ARE BIGGER THEY RUN A LITTLE HOT THAN MOST ENGINES.

Sep 14, 2010 | 1999 Cadillac DeVille

1 Answer

Coolant temp sensor location on a 96 northstar any clue were it is


hi

the sensor wil be placed in the outlet of the cooling water from the engine.so check near the pipe near the engine that is connecting the engine and the radiator

if my answer were useful please vote for me

Jun 25, 2010 | 1996 Cadillac DeVille

3 Answers

98 Cadillac Northstar motor running hot in 30 min.


The normal operating temperature for the Northstar engine is around 210 degrees.
The fans will not come on until the temp hits 225 degrees.

The thermostat in the northstar engine is located at the bottom radiator hose (unlike most conventional cooling systems).

The most common overheating problem with the Northstar engine is a blocked purge line(small hose).The purge line is designed to purge air out of the cooling system.
There is a small diameter hose coming from near the top of the coolant tank (not the cap) ,this is the purge line.
With the engine idling,pull the purge line from the tank,if there is no coolant flow from this small hose,it is blocked and this will cause overheating.If the hose is clear, check for blockage at the nipple on the tank.Or trace the hose back until you find the blockage.The hose goes in to the engine to a crossover and comes out the other side to near the thermostat housing,the blockage may be there.

If the other end of your purge line is not connected to anything then that is the problem......it must be reconnected otherwise the cooling system is not pressurized.

Apr 19, 2010 | 1998 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

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

1 Answer

How too find the thermostat on a 2000 Cadillac Northstar Engine


follow top radiator hose to engine it is located in that housing

Oct 10, 2009 | 2000 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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