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Stutaeng's 1999 Silverado
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<blockquote data-quote="ORVietVet" data-source="post: 29538" data-attributes="member: 9438"><p>In the first pick the right bottom and middle have a white crusty look, that I don't see on the others. I could be wrong but might be coolant burn. I doubt it needs an engine. More than likely needs head gaskets, surface heads, valve seals and grind the valves. I say again, needs a chemical test from the parts store. Needs a compression test. See videos for the correct steps. Do not look at just one video for each test. Needs the cooling system pressure test, don't care where the tester comes from. take the radiator cap or coolant reservoir cap with you to match up the correct adaptor to test correctly. Look at a video for that as well.</p><p></p><p>Or, give up and maybe waste money on a new engine. Requires correct testing first. If you can get your hands on a borescope and see coolant on the top of pistons, the head gaskets are needed. may have a cracked head, too. You could install the plugs, start it and let run for 3-5 minutes. Pull plugs and then watch all cylinders where the plugs were installed att and have someone turn the engine over and see if water/coolant spits out. That would be too easy but could work.</p></blockquote><p></p>
[QUOTE="ORVietVet, post: 29538, member: 9438"] In the first pick the right bottom and middle have a white crusty look, that I don't see on the others. I could be wrong but might be coolant burn. I doubt it needs an engine. More than likely needs head gaskets, surface heads, valve seals and grind the valves. I say again, needs a chemical test from the parts store. Needs a compression test. See videos for the correct steps. Do not look at just one video for each test. Needs the cooling system pressure test, don't care where the tester comes from. take the radiator cap or coolant reservoir cap with you to match up the correct adaptor to test correctly. Look at a video for that as well. Or, give up and maybe waste money on a new engine. Requires correct testing first. If you can get your hands on a borescope and see coolant on the top of pistons, the head gaskets are needed. may have a cracked head, too. You could install the plugs, start it and let run for 3-5 minutes. Pull plugs and then watch all cylinders where the plugs were installed att and have someone turn the engine over and see if water/coolant spits out. That would be too easy but could work. [/QUOTE]
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