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#1
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intake or head gasket bad...need opinion...
picked up a 1993 with the 3.3 in it. It had antifreeze in the oil.
I pulled the intake today. I noticed that the valley was full of gray oil...yuck. I also noticed that one of the intake ports was ragged around the rubber. Im wondering if that was the source of my coolant leaking into the engine. I dont really want to pull the heads out. THat looks like a nightmare job from hell. I find it hard to believe that the intake gasket shredded just from pulling the intake manifold off the car. Thing is .....im not sure if that was a water jacket or just a intake for the injectors into the chabmer. (thats almost what it looks like)...how could coolant get in there? I dont know....i find it hard to believe that i head gasket could cause such a coolant problem in the engine. I can post some pics of the valley and intake surfaces on both the heads and on the intake itself if that would help? Any thoughts? |
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#2
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scale wrote:
> > picked up a 1993 with the 3.3 in it. It had antifreeze in the oil. > > I pulled the intake today. I noticed that the valley was full of gray > oil...yuck. I also noticed that one of the intake ports was ragged > around the rubber. Im wondering if that was the source of my coolant > leaking into the engine. I dont really want to pull the heads out. THat > looks like a nightmare job from hell. I find it hard to believe that > the intake gasket shredded just from pulling the intake manifold off > the car. Thing is .....im not sure if that was a water jacket or just a > intake for the injectors into the chabmer. (thats almost what it looks > like)...how could coolant get in there? > > I dont know....i find it hard to believe that i head gasket could cause > such a coolant problem in the engine. > > I can post some pics of the valley and intake surfaces on both the > heads and on the intake itself if that would help? > > Any thoughts? That is most unusual. I've never heard of a 3.3 having that problem. Both block and heads are cast iron - so no squirming to rip up a head gasket. The engine is 90 degrees - so no weird intake angles. The intake runs antifreeze through it - hence the upper rad hose connection. I would run a compression test with the intake off. Or a leak down test. Watch for bubbles. |
#3
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ya ill have to do something.That intake gasket does look bad but it
still could be a head i guess. I dont know how im going to get teh compression tester down on the backside of the eng. Seems almost impossible to even change plugs on this thing. |
#4
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scale wrote:
> > ya ill have to do something.That intake gasket does look bad but it > still could be a head i guess. > > I dont know how im going to get teh compression tester down on the > backside of the eng. Seems almost impossible to even change plugs on > this thing. You'll do ok. There is plenty of room on the firewall side of a 3300. You don't even need to rotate the engine like on a 60 degree. (Different mount.) |
#5
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you ever get a reading from your compression tester? I had the same
problem with my grand am and the 3.3l engine. I replaced my intake gasket and all was good. I get a slight miss however from a stand still or when the engine is under load (if i put my foot on the brake and slowly push the gas). I have replaced the ICM, coilpacks, plugs and wires and it still does it. I cant figure it out. I have a compression tester ordered up and should be here soon. Just wondering how hard it was for you to get your test results |
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