LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Shoebox's Coolant Diagram

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Old Feb 8, 2003 | 12:55 PM
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thelategreatz28's Avatar
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Shoebox's Coolant Diagram

Hey whats up, I was looking at shoebox's flushing page and I have to say, this is one of the most helpful websites out there! I had a few questions about the flushing procedure though. I took out the thermostat and I ran like about 15 gallons of clean water through the water pump (to the block) and Alot of water through the radiator and I drained it out completely.... I did this 3 times. Then I bought super flush by prestone and I added that in there with water and let it run for 10 minutes (keep in mind this is all without my thermostat for better flow) then i emptied that and then filled it up with water and drove it around. Then I drained that. Well, the problem is, is that I still see a little color in there ( just a tiny bit when I drain the radiator and a little bit from the top of the water pump. I MUST make sure everything goes away before I add the new coolant becuase it was running on mixed coolant before and I need to get rid of it all! I did everything in the diagram except for the block drain plug... is this important to drain the block? Becuase it is VERY hard to get to, even under my ramp. I can see the plug but I cannot reach it becuase a very big exhuast pipe is overlapping it. Tell me what I should do. Thanks!
Old Feb 8, 2003 | 02:03 PM
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So what should I do now, considering that I had a bad mixture of green and orange coolant. I heard this is VERY bad and I should flush COMPLETELY and put all orange.
Old Feb 8, 2003 | 02:13 PM
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Thats what I was thinking..... How bout forcing water through water pump using garden hose? And can you tell me how to take the radiator and fan assembly out...... I was under the car and I was trying to figure it out but there are no screws or anything, but I also noticed you can easily take the fan assembly out by just pushing it up and moving it down WITHOUT any screws? is this normal?
Old Feb 8, 2003 | 02:41 PM
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Thanks!!!

By the way.... Shania is HOT!
Old Feb 8, 2003 | 04:12 PM
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Ok now comes the bleeding I think...... I need alot of help here! I started to put in the first bottle of coolant (1 gallon Dex Cool) and then it was full????? I dont get this part. I filled coolant through the water pump first then capped that off, then I filled into the radiator, then into the resevoir. I couldnt even finish the bottle? I still have ANOTHER bottle left and I still need to add the other 2 gallons of water! I opened the bleeder vavles while the car was running and coolant came out not air... Please fill me in!
Old Feb 8, 2003 | 05:46 PM
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green coolant with dex cool is BAD! It will "sludge" up so to say....
Old Feb 8, 2003 | 06:24 PM
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Ya I know its bad... LOL....
Anyways, Ive managed to get all the 2 bottles of coolant in there But I still owe it 1/2 gallon of water..... Bleeding isnt as easy anymore... what should I do now!
Old Feb 8, 2003 | 07:24 PM
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However, I'd rather listen to that flamer on American Idol who sung "Like A Virgin".

ROTFLMFAO, I didnt think anyone else watched that one! Best part was when that british guy said "you are the worst singer in the world EVER" that dude almost cried lmao...


Yeah back to the real subject, dont mix the 2 coolants....take the time to just slowly flush all the green out, this is the last time you will be changing antifreeze for awhile anyways

as far as bleeding the system of air? All i do is unscrew the bleeder screws while its running the water through the lines and wait until it comes out pure coolant with no bubbles, dunno if this is "proper" or not but seems to work for me, no air pockets to speak of...
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