Question about 1999 Cadillac DeVille

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How much coolant do put into a 1999 cadillac after changing a waterpump

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2 gallons of coolant and the rest is water if totally drained empty

Posted on Jan 30, 2010


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If it is overheating, coolant coming out of tank, you may have a head gasket issue

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My car overheats,ichanged everything but the engine

What kind of vehicle. Timing out of adjustment can cause overheating issues.

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pull out your coolant res.
pull off your belt.
you will see the old waterpump.
remove all four bolts.
clean off gasket off waterpump mount on motor.
place gasket.

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99 eldorado keeps going pass half way mark on temperature gauge. Radiator, thermostat, waterpump changed, still does it, what could it be

I am a Cadillac Northstar Expert and all I do is repair these engines. Please go to the following link to find out why your car is over heating and how we repair it. Thanks, Cadillac Doctor

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I put coolant in my 1999 Grand Am GT and it comes out behind the front tire. Where can it be coming out from?

if its the passengerside tire then you may have a bad waterpump or coolant pipe that rusted.

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96 cadillac deville 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.

Aug 13, 2009 | 1996 Cadillac DeVille

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Special tool to remove water pump on 1999 cadillac deville

remove air filter housing,remove secondary air check valve bracket,if equipped,remove lower radiator hose from the thermostat housing,remove waterpump bypass hose, remove waterpump cover,use special tool to remove waterpump,install a new o-ring inwaterpump housing

Apr 10, 2009 | 1999 Cadillac DeVille

1 Answer

Engine tempature light comes on and tells me to shut off car

If it was Running hot, It could be the Waterpump or the Thermostat. Take the Radiator Cap off and Start the Truck. You should see the Coolant Circulating through the Radiator, If not, The waterpump is Bad. Let Me Know! Please Rate my Solution, I need all the Help that I can Get! Thanks!

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99 cadillac deville overheating put in new radiator,thermostat,waterpump. it stays cool at idle for a hour running.drivin about 15-30 minutes it overheats. is not using hardly any coolant to speak of.

Jan 05, 2009 | 1999 Cadillac DeVille

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