Question about 2000 Cadillac DeVille

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I have a 2000 cadillac deville 4.6 northstar it runs good soon as i start it up it will drive n change out fine seems when the transmission heats up n i come to a stop it wont move the i can turn it off for awhile n restart it then it goes again...

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The trans axle is worn & failing

Posted on Nov 29, 2012

  • Lorenzo Townes Nov 29, 2012

    i will check that out in let u know was that helpful n i also has a oil leak wonder what would that be...

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Posted on Jan 02, 2017

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10 Years
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SOURCE: 1998 cadillac deville fans not coming on starts

If your fans are not coming on then your engine is not receiving the signal that it is overheating. This can be caused by bad fans (unlikely they are both out) a bad relay, or coolant temperature sensor. I would start by checking or replacing the temperature sensor as it can become corroded which is what the PCM uses to turn the fans on. Many vehicles use two sensors, one for the gauge and the other for the ECU, make sure you check/replace the right one. It should be a cheaper part and if you are unsure then match the new one with its location; it should be on the intake manifold or near it, generally with one or two wires. I think you will find your problem as they are common failed parts.

Good luck!

Posted on Aug 30, 2009

thunderalley
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SOURCE: engine over heats 2000 cadallic deville northstar engine

flush your radiator first.with the thermostat out you should see the water moving if not bad water pump.this engine needs the thermostat to function properly and either a 50/50 coolant or straight coolant so it does not boil over.also make sure your fans are coming on

Posted on Oct 04, 2009

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My 2000 cadillac deville keep running hot when i drive it.the coolant shoots out the coolant tank when i open it.i changed the radiator and the thermostat.i don't think a head is blown cause it dosen't...


OK, check that the 2 fans are turning on when it gets to operating temperature. If not, replace the 3 or so relays that control the two speed fans on your car.If that doesn't solve the problem, then you may have to buy new fan motors and also have the harness replaced if necessary to make it cool reliably.

I had this problem on a 1997 Cadillac Deville Limousine that overheated over 157 deg. F and went into its limp mode for cooling the engine off by allowing 1/2 of the cylinders to circulate fresh air into the engine in case all antifreeze would leak out or the car would overheat.

Don't run the Northstar engine too long, more than 45 min. at a time in this limp mode.

Good luck on this repair of your Northstar Engine.

Jan 02, 2011 | 2000 Cadillac DeVille

1 Answer

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

2 Answers

I just purchased a 1999 Cadillac Deville. Drove fine for a few days. Today I drove 75 MPH for 20 miles on freeway and car began to overheat. Dashboard told me to replace oil. Checked the coolant, it took 1...


When a Cadillac (Northstar) overheats, It will give the message to change the oil. If you run a Northstar and keep running it long enough it will start shutting off cylinders and stop the A/C compressor to help protect itself. In this condition I would check for a blown headgasket. Possibly your technican will find the problem. Could also be stuck thermostat, dirty radiator Thanks

Aug 31, 2010 | 1999 Cadillac DeVille

2 Answers

What is the firing order on the ''cadilac V8 Northstar??


I'm not sure if the Northstar has it anywhere. Just for your info though, the firing order is as follows:
1-2-7-3-4-5-6-8


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Fig. 4.6L (VIN 9 and Y) Engines Firing order: 1- 2- 7- 3- 4- 5- 6- 8 Distributorless ignition system


Hope helped (remember rated this help) Good luck.

Oct 19, 2009 | 2000 Cadillac DeVille

1 Answer

Engine over heats 2000 cadallic deville northstar engine


flush your radiator first.with the thermostat out you should see the water moving if not bad water pump.this engine needs the thermostat to function properly and either a 50/50 coolant or straight coolant so it does not boil over.also make sure your fans are coming on

Sep 20, 2009 | 2000 Cadillac DeVille

1 Answer

SETTING TIMING ON 2000 NORTHSTAR ENGINE


Setting the camshaft timing isnecessary whenever the camshaft drive system has been disturbed,meaning the relationship between any chain and sprocket has been lost.Correct timing exists when the crankshaft and intermediate shaftsprocket timing marks are in alignment and all 4 camshaft drive pinsare perpendicular (90 degrees) to the cylinder head surface.

degrees) to the cylinder head surface. 0900c152800a57af.jpg I hope this helps, if not let me know
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Nov 12, 2008 | 2000 Cadillac DeVille

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