2004 Pontiac Grand Prix Head Gasket Leak?? Or intake manifold leak??

I was hoping someone could help me identify this problem i have. Antifreeze leaks to the top of the engine but the oil looks fine. Can anyone give me advice on this video?? It has over 250000 miles on it but has not lost any power since the day i bought it new.

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How to Test Head Gasket
** Please see my other videos on this topic* Thx! This video is intended for those who would like to know how to confirm a damaged head gasket on a vehicle prior to making the decision to invest a lot of money for repair. My apologies for the camera focus- next video I will pay closer attention, but the information needed is viewable. Further research should be done on the risks of overheating to the engine block and such. This video is meant to simply show a 'how to' on the test method I used quite often when professionally working on vehicles, the results of which are based on chemistry and common industry-standards. I hope you find this video useful. RI.





How To Replace The Head Gasket and Intake Manifold Gaskets On A GM 3800 Engine
In this walkthrough I replace the head gaskets, upper intake manifold (UIM) gaskets, and lower intake manifold (LIM) gaskets on a 1997 pontiac bonneville. These steps will be identical for almost any GM 3800 / 3400 / 3100 series II motor. If you have any questions feel free to post them on the video and I'll do my best to try to help! Here is a link to the the text walkthrough I used as a guide for making this video: http://www.w-body.com/showthread.php/49858-Any-info-on-changing-series-2-38 00-head-gaskets Also here's a list of torque specs for most of the motor: Camshaft Bolt: 74 ft/lbs + 90 degrees angle torque Camshaft thrust plate: 132 in/lbs (T30 torx) Front cover bolts: 15 ft/lbs + 40 degrees angle torque Oil pan bolts: 125 in/lbs Crank sensor nuts: 18 ft/lbs Camshaft sensor bolts 48 in/lbs Lifter hold-downs: 22 ft/lbs Rocker bolts: 11 ft/lbs(132in/lbs) + 90 degrees angle torque Lower intake bolts: 132 in/lbs Supercharger bolts: 17ft/lbs Crank Bolt: 111 ft/lbs + 76 degrees angle torque up to 10/98 111 ft/lbs +114 degrees angle torque 10/98 and up Cylinder head bolts: 37 ft/lbs + 130 degrees + 30 degrees up to 10/98 37 ft/lbs + 120 degrees Flywheel/flexplate bolts: 132 in/lbs + 50 degrees Exhaust manifolds: stud/nuts 132 in/lbs Nuts 156 in/lbs Oil filter adapter to timing cover: 22 ft/lbs 97 earlier 132 in/lbs + 50 degrees 97 and later Oil pump Cover to timing cover: 98 in/lbs Pick up tube and screen: 132 in/lbs Valve cover bolts: 89 in/lbs Tstat bolts: 21 ft/lbs Water Pump: 132 in/lbs + 80 degrees Water pump pulley: 115 in/lbs Throttle body: 84-89 in/lbs Fuel rail nuts: 75-84 in/lbs





Intake Manifold Gasket replacement GM 3100 V6 95' grand Prix
This is a very In detailed Video on how to replace your Defective Intake manifold Gasket on your Gm 3100 V6. This problem existed on many 3100 V6 engines from 1994 well into the 2000's.. Video is Broken up into Chapters. this is a How to From Start to Finnish..





2000 Grand Prix GT 3800 Series 2 Head Gasket Problem.
Ok update: The problem was a cracked lower intake manifold. Surprisingly the upper intake was fine. The EGR passage wasnt in bad shape at all. It was still sealed. But the lower intake was sucking oil and water in the wrong places.




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