Question about 1997 Cadillac DeVille

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1997 cadillac head gasket blown - 1997 Cadillac DeVille

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  • yadayada
    yadayada May 11, 2010

    what is the question? this is a statement



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Stay away from Cadillacs with the Northstar engines.. I owned a 97 in 2009..Had everything rebuilt at Cadillac because they all seem to eat oil before it gets to the 100 thousand mile mark..this is why Cadillac was sued....These engines burn oil to nothing for no reason with no oil leaks to be found..if thats not the problem then the radiators always malfunction..type in Cadillac recalls and you will see a long list of problems..the only thing good about these cars is it will shut off the engine before you really damage will give you three warning notices on the computer to pull over..then itll shut off.. i got rid of my car when it told me to pull over because of low oil pressure and when i stopped to check it,it was at the proper oil level..and this high compression engine called Northstar HAS TO ALWAYS HAVE PREMIUM gas..anything less will indeed cause these engines to me.. these arent the old carburated cadillacs..

Posted on Jun 25, 2009

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HI, you will know if your gasket(head) is blown if you see white smoke coming form the tail pipe during normal operating conditions like, acceleration and, idle. you may also see smoke coming ou the oil fill cap when you unscrew it after taking a long drive. this is the cause of the coolant mixing with the oil. If this is the case, replace these gaskets before the head are damaged asap.

Posted on Jun 24, 2009


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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: how to replace blown head gasket

u have to start by removeing ur headers dont forget to take ur blown gasket to ur local part store to make shure u get the rigth one

Posted on Feb 18, 2009

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SOURCE: head gasket blown

there are many was a head gasket can blow . sometimes they just leak to the outside sometimes they leak to the coolant and then it blows out your antifreeze. if you have a blown head gasket you will see it when you pull the head. and yes you should hace the head checked at a machine shop and install with a new head set never reuse a gasket .
later paul

Posted on Sep 15, 2008

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SOURCE: blown head gasket

I would change both, as well as use new head bolts. Make sure your heads are not warped or cracked, especially the one that is leaking. There may not be any need to change the head if it is not cracked. These are prone to blowing a gasket especially after 150K miles or so. It will not cost a huge additional amount to change both head gaskets since the engine will have to be disassembled down to the heads anyway. Hope this helps you, Rick

Posted on Apr 18, 2009

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SOURCE: need to replace blown head gasket on the above vehicle

are you sure head is not cracked

Posted on Aug 07, 2009

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SOURCE: I Have a 1997 cadillac sts over heating problem

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 close to the thermostat housing,the blockage may be there.

Posted on Jul 02, 2010

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1 Answer

How can I stop my 1997 Cadillac Eldorado from running hot

check thermostat,water pump perhaps even a loose belt, worse case is the head gaskets are blown

Mar 20, 2015 | 1997 Cadillac Eldorado

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What signs and or sounds of a blown head gasket

When the gasket blows, it may allow coolant to get into the oil. Pull the dipstick, if you see a change in oil colour and an increase in oil level, the gasket leaked. As for noise, ask the dealer.

Sep 04, 2014 | 1997 Cadillac DeVille

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Would Dura-Seal eliminate the problem of a blown head gasket 0n a 1997 Cadillac Eldorado?

No it would not. The same as chemi-weld. Good to get you home but full of problems later. To fix a blown head gasket pull the head ,have it machined flat and refit using a genuine gasket. (after market do not have all the holes in the right places )

Nov 04, 2013 | 1997 Cadillac Eldorado

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Engine runs rough also how can you check to see whether if i have a blown head gasket. it also has no fans running to cool the coolant

Sounds like the overheating condition has blown the head gasket, if compression or oil/antifreeze mixing is evident.

Running an engine with no fan to cool the radiator is a common cause of blown head gaskets. yes.

Jan 21, 2011 | 1997 Cadillac Catera

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The cooling system in my 1997 cadillac Eldorado keeps overheating; seems like it has too much pressure in it because it keeps blowing hoses off or all the coolant is forced out of the overflow once it gets...

This sounds like a blown head gasket. You can purchase a kit that when used per the instructions you will know for sure

that it is a blown head gasket. You might try some of the sealers that are on the market but I do not back any of these half way fixes. I was a professional Cadilliac Technician for over 30 years. FIX IT RIGHT THE FIRST TIME

Aug 31, 2010 | 1997 Cadillac Eldorado

2 Answers

1997 cadillac deville

head gasket is blown, creating pressure in the cooling system

Jun 26, 2009 | 1997 Cadillac DeVille

3 Answers

Oil mixing with antifreeze!

Hi. this is caused by a blown head gasket or warped head. This situation is very serious and it will require immediate attention as soon as possible. If this gasket or head isn't repaired, it will ruin the entire engine.

The most common situation here is a blown head gasket but, it can exceed to a more serious issue like an warped head as well.

please rate and god bless:)

Apr 21, 2009 | 1997 Cadillac DeVille

1 Answer

Anyone know a cheep but effective way of fixing blown head gasket

i really hate to tell you this but it sounds like you all ready know what the worst is! it's all the classic signs of a bad head gasket, caused by over heating, and the head or heads become warped, a classic problem with 4.6 engines if they become to hot to long, not a cheap fix as i believe you know, what i would do is take it to cadillac dealer and let them give you an estimate,its free and get another just for the heck of it. good luck to you, wish i had quick fix but their are none!

Mar 15, 2009 | 1997 Cadillac Eldorado

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