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Posted on Jan 02, 2017
I've replaced several of these gasets and they were made that way.
It wouldn't hurt to call a different autoparts store and ask them if theirs are made that way.
Posted on Jan 07, 2009
On 5.7L engines, install the bolts and torque in sequence as follows:
Posted on Mar 14, 2009
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
These engines are legendary for intake manifold gaskets leaking, and this is exactly what's happening with this one. Yes, you will have to remove the intake manifold, and to do so, you will need the torque diagram to remove it, and also to torque the new one. It's best that you buy a Haynes manual so you know the exact procedure; it's a $15 insurance that you will be glad to have. If you aren't having problems with the head gaskets, I'd leave them alone personally, but if you want to undertake these, now would be the time to do so, as there's not a lot more to take apart. Main suggestion though, is to be absolutely sure you keep the push rods in the exact order and orientation, as they each have a unique wear pattern with the lifter. Changing them can cause them to lose their seal, depriving the valve of oil, and ruining your head.
Posted on Jun 01, 2010
it is a great deal of work. The molded gaskets breakdown with time. You'll want to change the two 90 degree elbows as well - they are available from a dealer for a reasonable price. Also, the blower gasket is likely shrunk up and /or blown out. And you might as well replace the valve cover gaskets too as they leak oil as they breakdown with heat and time.
I did all of this on mine. Even as a professional, it took me a good 6 hours.
Posted on Aug 11, 2010
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