Question about 2000 Cadillac DeVille

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How many freeze out plugs on a 2000 deville? Changed one but its still leaking underneath.they also installed new water pump.what could be the problem. Car shut down comp. Said hot idiling.i shut it off.liquid poured out the bottom.i know nothing about cars

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 4 Answers

SOURCE: 1997 cadillac eldorado running hot

Make sure you put in the correct temp thermostat. GM usually has 2. A low temp and a high temp. Most shops will give ya the high temp just because thats usually what the book calls for. you might want to try a low temp. Also, sometimes, when a car runs hot and everything has been repaired....well, almost everything......it might be the head gaskets. And those my friend are no easy task. But..somewhere to start. have your cooling system pressure tested. Only way to really know for sure. Oh..also make sure your fan is working!!!! You might have a faulty fan switch.

Posted on Jun 19, 2009

Kravcar
  • 192 Answers

SOURCE: My Cadillac 2000 Seville STS having overheating

Check for coolant flow at the Purge line,this is a common problem on the Northstar.
There is a small diameter hose coming from near the top of the coolant tank,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.

Posted on Sep 21, 2009

thunderalley
  • 432 Answers

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

csmock132
  • 4669 Answers

SOURCE: cannot find overheating problem 1997 cadillac

These engines are know for leaking head gaskets. A good quick test for this is fill the coolant tank to the top with the cap off. Start the engine. If the the coolant blows out of the tank, you have a head gasket leak.

Posted on May 31, 2010

  • 1 Answer

SOURCE: why does my 2001 cadillac deville keep running

1999 deville run hot on a long drive

Posted on Jun 13, 2011

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How do I change out the thermostat on my 2000 deville northstar


Partially drain the radiator (drain is at the bottom on the driver's side of the radiator - you need to remove the front air deflector panel underneath the car to get at it). Remove the air cleaner assembly. Remove the outlet hose from the thermostat housing (this hose is the one attached to the top of the radiator on the driver's side - it is NOT the inlet hose which is routed across the top of the radiator). Remove the bolts holding the thermostat housing to the water pump, then the thermostat and gasket. Carefully clean off any gasket material from the water pump and housing, install the new thermostat and gasket, and reverse the procedure. Make absolutely sure you install the thermostat correctly - in must be installed in the same orientation as the old one.

Oct 06, 2014 | 2000 Cadillac DeVille

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How do I replace the water pump on my Cadillac Deville?


Hi.

Here the instructions.

  • Take off the plastic cover located near the top of the radiator if present.
  • Remove the protective shield located on top of the belt pulling the water pump. You will need to undo two 10mm nuts and one 10mm bolt.
  • Undo the 10mm nut that holds water pump housing togeter with the oil dipstick.
  • Take off the air intake assembly.
  • Move the PCM computer to one side, ensure that the module is safely placed.
  • Release the belt tensioner using a big flat screwdriver.
  • Remove the serpentine belt from the water pump pulley
  • Remove the upper radiator hose. This is held by a metal clamp. Use plyers to remove the clamp.
  • Remove also the clamp from the thermostat housing bypass hose, without removing the hose (you have to bleed coolant first).
  • Unscrew the four 10mm bolts that hold the water pump housing and letcoolant drain from water pump plug. At this point you can also removethe lower radiator hose to drain faster.
  • After coolant drains remove the water pump housing.
  • At this point you have to use a special Water Pump removal tool onwater pump cand turn clockwise until the pump is sliding off thehousing.
  • Remove the pump and the o-ring located inside the water pump housing.
  • Clean and grease the area, put a new o-ring and install back water pump housing
  • Install the new water pump using the special tool and following operations in reverse order.

You may need to use sealant tabs from a Cadillac or GM dealer. Here is what you need.
Better going to your local dealer to get the best product for yourCadillac. You will also need a 3/8'' ratchet, socket and extensions

Youmay also need to replace the housing cover gasket. You will need toreplace the O-Ring, that usually comes with the new pump.
When installing new pump you must also ensure that the new pump is aligned correctly,one of the tabs on the pump housing is different and will lock up the pump, so it must bealigned properly while installing.

Here pump:2000 Cadillac DeVille Water Pump

Here the special tool: Water Pump Removal and Installation Impact Socket

on Mar 16, 2010 | 2000 Cadillac DeVille

1 Answer

2001 deville dhs rear shocks stay fully inflated when outside temp is below 30f


SHOCKS LEAKING LOOK AT RUBBER BOOTS. SPRAY WITH SOAPY WATER YOU'LL SEE LEAKS

Dec 10, 2013 | 2000 Cadillac DeVille

1 Answer

Where are the freeze plugs located on a 99 malibu 6 cylinder


underneath the exhause manifold side of the block. Look lihe round silver plugs.

Jan 25, 2013 | 1999 Chevrolet Malibu

1 Answer

1992 Cadillac still Leaking coolant after water pump change.


Where does the coolant drip from? I had one and only one Cad from this era with the same problem. Turned out to be the recovery bottle cap would let go under operating pressure even though it passed the pressure tester test. Just one of those things.

Jan 03, 2010 | 1992 Cadillac DeVille

1 Answer

I gave you the wrong pump it was the water pump that was changed


There is a shaft seal in automotive water pumps that can fail.
You will know if it's that seal because water will be dripping from the bottom of the water pump.
If the water is not near the water pump, then look for a freeze plug that is leaking.

Dec 21, 2009 | 1992 Buick Park Avenue

3 Answers

My 93 olds bravada leaks water out the rear underneath engine when I put water in. Is this a freeze plug or cracked block


first do a presure test on the radiator with fluid in and see where the water is coming out from may be it is just a hose gone bad.
vitally

Sep 10, 2009 | 1993 Oldsmobile Bravada

1 Answer

Replaced water pump for the 5th time and it leaks from the hole u


No , it's not normal to leak.
Either , water pump is bad ( 5 times ? )
or instalation was bad or more likely , leak is not the water pump at all

May 09, 2009 | Ford SVT Cars & Trucks

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