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How do you replace two blown head gaskets on a 02 oldsmobile silhouette?

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  • 112 Answers

More of a mechanics job. Going internal on this job and very easy to mess something up. But if you want to try it, you have to remove everything from top of motor and get down to head gaskets. just flat pieces of metal around where your spark plugs go in. cheap part just expensive labor.

Posted on Jul 11, 2013

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Posted on Jan 02, 2017

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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

  • 8 Answers

SOURCE: lower intake manifold gasket leaking 02 Olds Silhouette

This is basicly a very time consuming job rather than a physically hard one to complete. In order to replace the gasket you must remove the intake plenum,throttle body, and misc. vacuum hoses. The wiring harness connections must also be disconnected. Finally the intake manifold is exposed. The bolts holding the manifold to the block are removed exposing the leaking gasket. After removing the push rods and placing them in the correct order to be replaced the gasket and sealants can be removed. Finally replace everything in reverse order. Be sure to consult a GM manual for correct bolt torch specs. The correct specs for the manifold bolts usually come with the gasket. Make sure to change your oil a few times after this job in case any coolant entered the block. Also,change the thermostat and the oil seal on the distributor half shaft cap while you have everything off. Good Luck

Posted on May 12, 2009

  • 15 Answers

SOURCE: I have a 1999 silhouette , the head gasket was

if its a metal squealing noise u may have your rocker arms over torqued. the torque for those is 168 in/lbs. then another 30 degrees.

Posted on Jun 01, 2009

honeymokey
  • 3113 Answers

SOURCE: how much will it cost for me to get blown head

Never have seen blown headgaskets on a 3800 engine. Buick dealer parts guy over 20 years. You need a new upper intake manifold as it has leaked coolant into the combustion chamber. Also new plugs as you will have to remove them to get the coolant out. Common problem .

Posted on Apr 20, 2010

  • 2309 Answers

SOURCE: i have a 98 Oldsmobile

get a manual and read up on it, head gasket is involved work, should take a couple days, the head will have to go to a machine shop, you will need a gasket kit, and new hardware, also special tools etc, do not attempt if yhou are not sure

Posted on Dec 01, 2010

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1 Answer

Why is it still running hot?


no doubt you have a blown head gasket .all the venting in the world will not help it .

Oct 17, 2015 | 2001 Oldsmobile Silhouette

1 Answer

2002 silhouette that has oil in the coolant but no water in the oil. I had the head gaskets and intake gaskets replaces 6 months ago. not sure what else it could be


Would have to be head gasket has fail letting oil into water jacket.. My suggestion. Does not have to be water in oil to be blown....Sorry i wpild sat head gasket......Let me ask you when the gaskets was changed did you have the head checked and did you have head bolts replaced?? Head if not cracked my need plained.......hope this helps and good luck...Please rate my posting

Aug 15, 2012 | 2002 Oldsmobile Silhouette

1 Answer

Lower intake gasket


For no heat issue,click the link below :-----http://technoanswers.blogspot.in/2012/02/no-heat-on-oldsmobile-silhouette.html
--------Its caused by leak intake gasket.For intake gasket replacing,click the link below :-----
http://technoanswers.blogspot.in/2012/02/how-to-replace-intake-manifold-gasket.html---------This will help.Thanks.

Feb 07, 2012 | 2002 Oldsmobile Silhouette

1 Answer

Just did the head gasket on a 02 olds silhouette and there is still oil in the coolant could it be the oil cooler leaking into the radiator or is there still a problem with the head gasket


the head gasket is fine you can check this by watching the radiator and oil levels if they dont move at all then there is still oil from the previous blown head gasket in cooling system they do make a supper strong cooling system cleaner for that type of stuff its made by prestone and works really good you might have to use it a few times.

Dec 13, 2010 | 2000 Oldsmobile Silhouette

4 Answers

My 02 Oldsmobile Silhouette is over heating what could be the problem


Overheating problems usually warrant some troubleshooting. First, check your antifreeze level. If it's low, replace it, run it for a couple of minutes with your heater on, then recheck it. Next, your thermostat could be stuck. For about 30 minutes worth of work, and about $10 of parts, you can do this replacement yourself. This will usually give you the symptoms of having one coolant hose being hot and the other cool, if it's the thermostat that's stuck closed. The next place to look is the water pump. There aren't too many reliable ways of testing one of these at home, so it's pretty much a replace and pray, because if it isn't, then it's something more serious like a blown head gasket or a cracked head. These last two can disclose their presence by evidence of oil or antifreeze leakage, or white smoke when you first start up your vehicle in the morning, but will not always do this.

Oct 19, 2009 | 2002 Oldsmobile Silhouette

1 Answer

2000 oldsmobile Silhouette engine over heating and oil mixing in engine coolant


These two problems are related, your engine is overheating because there isn't enough coolant to dissipate the heat. There are three main causes for coolant in the engine oil:

1. Cracked head
2. Blown head or intake gasket
3. Cracked block.

The gaskets are an easy and relatively cheap fix, the head replacemnet isn't to difficult but will run you more than the gaskets. If the block is cracked (pretty rare) you'll need a new motor because it's going to comletelyu fail sooner or later.

Oct 01, 2009 | 2000 Oldsmobile Silhouette

1 Answer

Temp gauge suddenly hot


Could be an airlock in the cooling system.
If a Mechanic has looked at it can you please list everything he has checked .
Did he check for a blown head gasket , Water pump , Test the temp sender .........?

Jun 26, 2009 | 1998 Oldsmobile Silhouette

1 Answer

Vehicle is overheating...2000 oldsmobile silhouette


It's possible you have a blown head gasket. In that case, the heater core which is above the engine fills with exhaust and stops working. To verify this condition, check exhaust for excessive white smoke. If leak is still small, it's possible you won't see much. In that case have a shop check the radiator for hydrocarbons (exhaust). If the test shows any in cooling system, you definitely have a head gasket problem.
I'd also check the thermostat. Sometimes it can give similar symptom but more often than not this will trace back to the hg.

Apr 08, 2009 | 2000 Oldsmobile Silhouette

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