Question about 2001 Cadillac DeVille

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Why does my 2001 cadillac deville keep running hot. ive changed the water pump and the thermistat

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Well there could be a couple of problems if you live in a hot place you should change the thermostat to a lower tempatured one so the water will circulate sooner that will help it run cooler if that doesn't do it it might need the radiator flushed.

Posted on Jul 29, 2009

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1999 deville run hot on a long drive

Posted on Jun 13, 2011

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1 Answer

2001 DEVILLE HAS NO LEAKS BUT RUNS HOT. WHAT IS THE PROBLEM,WATER PUMP OR THERMOSTAT.


I would change both first get a fail proof thermostat that way it would never over heat put it in and see if you got heat. if you got heat thermostat is good and water pump check your fans and make sure coolent is full make sure oil looks good you don't want to over heat that car or you will burn hea

Jul 11, 2014 | 2001 Cadillac DeVille

1 Answer

How do i change the water pump belt on a 2001 Cadillac Deville .


2001 Cadillac Deville 4.6L SFI DOHC 8cyl Removal & Installation procedure...

1. Before servicing the vehicle, refer to the Precautions section.
2. Drain the coolant.
3. Remove or disconnect the following:
Negative battery cable
Upper fill panel, if equipped
AIR injection control valve, if equipped
Air cleaner
Oil level indicator tube nut, if necessary
Water pump belt cover
Water pump drive belt
Lower radiator hose
Thermostat bypass hose from the coolant inlet housing
Water pump cover

4. Remove the water pump by rotating it clockwise using special Tool J 38816-1A (water pump remover/installer).

To install:

1. Install the water pump with a new O-ring, by turning it counterclockwise using the special tool, until it stops. Torque the water pump to 73 ft. lbs. (100 Nm).

  1. zjlimited_842.jpg

Fig. To ensure proper operation, be sure to install a new O-ring (click for zoom)

2. Install or connect the following:
Water pump cover. Torque the bolts to 89 inch lbs. (10 Nm).
Lower radiator hose
Thermostat bypass hose to the coolant inlet housing
Water pump drive belt
Water pump belt cover
Oil level indicator tube nut, if necessary
Air cleaner
AIR injection control valve, if equipped
Upper fill panel, if equipped
Negative battery cable

3. Refill and bleed the cooling system.
4. Run the engine and check for leaks.


Hope this helps (remember to rate this comments)

Mar 10, 2011 | 2001 Cadillac DeVille

1 Answer

Have a cadie 01 changed water pump and thurmostat and still over heating and running hot any ideas


Try to flush and fill with new fluid to get the passageways free of sediment.

Or, try to see if the fans are coming on at the right speed at operating temperature. May require new fans/relays/wiring to fix this problem.

I have a 1997 Cadillac Deville that was overheating its Northstar engine and it required service amounting to about $700.00 or so from an auto electric shop, but afterwards it ran cooler.

Good luck on this repair.

Feb 05, 2011 | 2001 Cadillac DeVille

3 Answers

My cadillac is not giving me any hot air ,ive replaced the radiator, changed the thermostat, has a new water pump, where do istart to look.


Feel the 2 tubes at the firewall for the heater core. If they are not getting hot, the heater core needs to be flushed out or replaced. I had this problem with a 1990 Cadilac Deville, it was just a plugged up heater core.

Remember to install sealant after flushing out the system to prevent leaks.

Jan 25, 2011 | 1992 Cadillac DeVille

2 Answers

My 2001 cadillac deville keeps giving me dtc code system to lean


Anytime I get a too lean DTC I first change the fuel filter if it hasn't been changed in awhile. You'd be surprised how many times this has helped.

Good Luck with it.

Bob

Oct 22, 2009 | 2001 Cadillac DeVille

1 Answer

Ran out of gas car starting putting now when i crank it up goes dead


never let fuel tank run dry.because it causes to fuel pump get hot not work.your gasoline keep fuel pump cool.like people has wells with submergeable pumps.if you take submergerable pump out of a well and run it.it will get hot stop working.water keeps it cool.

Jun 07, 2009 | 1994 Cadillac DeVille

1 Answer

Replaced water pump. thermostat. radiator, filled with dex col, still overheating This is a 2001 Cadillac Northstar engine


Try backflushing,if this doesn't solve the problem,..then it could be the distributor,they can make the car run hot if the are going out.

Apr 08, 2009 | 2001 Cadillac DeVille

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