Question about GMC Cars & Trucks
Intake manifold gasket (lower).
Posted on Oct 30, 2019
Cracked intake manifold water jacket . Water pours into lifter valley into oil pan .
Posted on Oct 30, 2019
ther is a blown radiator hose or worse there is a hole in the engine. locate the leak and fix it. the sound you heard is most likly cause the engine over heated and important parts of the engine expanded when hot. if lucky it may be just a hose or a water pup that went bad. also if the bearing went bad in the water pump it would make a horible sound also.
Posted on Mar 30, 2010
Look for a leaking freeze plug. That is a circular disk of metal that is inserted at several locations in the lower half of the engine block, usually. You may have to remove other parts to expose it adequately. It can be removed by tapping one side of it with a hammer and driving one side in, causing it to swivel in the hole, then pry it out. Get a replacement of the correct diameter from your auto parts store, and tap it back into the hole, first making sure the hole is clean a smooth. Be careful to tap all sides of the disk evenly, sometimes it is cup shaped. Tapping on a flat piece of metal covering the whole disk will sometimes be of help in keeping the plug straight in the hole.
The other possibility would be a crack in the engine block. That would require a replacement engine.
Posted on Mar 02, 2011
SOURCE: water getting into the oil pan
You have a MAJOR collant leak! This could be a badly blown head gasket,a cracked head,or a crack in one of the cylinder walls(not good).If it's leaking that fast,it shouldn't be too hard to find,but you're gonna have to take a lot apart to find it(unless you have one of those high-dollar fiber optic camera tools).Remember,water will go straight to the bottom of the oil pan(oil floats on water),so don't run the engine with water in the pan.(You WILL destroy every bearing surface in the engine,making a real good boat anchor out of it).
Posted on Aug 09, 2012
Testimonial: "thanks for the help"
ok there are two o rings in the water pump one keeps the oil from the timing chain side to come in the water and also keep the water/coolant separate from the oil side the second one keeps from coming out of the engine. i am sure the first o ring i talked about is pinched or damages or is not installed when the water pump was installed.
Posted on Dec 02, 2012
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