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Discussion Starter #1 (Edited)
I have a 94 civic cx with a d16y8 swapped just fixed dizzy, but now my car overheats and it does it fairly quickly. Top radiator hose gets hot but bottom is cold. Changed thermostat and bled dunno what else to do cant leave car on long enough someone help :<
also radiator fan not coming on was working 6 hours ago i dunno what is going on all i did was change dizzy and header and downpipe gasket
 

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Discussion Starter #3
Check oil, is it milky? Head gasket popped
Oil is not milky same purple color it was this morning this happen after i changed my gaskets on my headers did add a lil to much oil but not much (since been drained.) But oil was not milky at all. all i know is bottom hose on radiator is cold to touch and top is hot dunno how i could have messed up something within the hour it took my to put on new dizzy and change gaskets on headers.

While dizzy was on had it running it ran fine for a while this only happened after putting lil to much oil.
 

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Well lets see here. Overheating doesnt excatlly mean HG is out but it very well could be. I would bet more on water pump not circulating coolant or radiator is plugged up. If ou fan isnt coming on then your going to overheat forsure. Hmm have you changed or checked your water pump lately?
 

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Discussion Starter #5
Well lets see here. Overheating doesnt excatlly mean HG is out but it very well could be. I would bet more on water pump not circulating coolant or radiator is plugged up. If ou fan isnt coming on then your going to overheat forsure. Hmm have you changed or checked your water pump lately?
Gonna do that tomorrow tired of looking at it. Just wanted to get some of ya'lls professional input so i can start cheap and go up looked up prices for water pump 38 bucs is not bad. Gonna replace thermostat sender plug (under dizzy) fan switch sensor (on thermostat housing) gonna check fan by running 12v to it also checked relay under dash looks good, gonna check relay under hood tomorrow may just replace and gonna flush and run water through radiator to see if its clogged i just don't see how a clog can happen in a matter of 2 hours which is what confuses me. (BEEN doing hw on this last 2 hours)
 

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Discussion Starter #6
Problem solved dunno what did it i changed Temp sensor fan switch and flushed and ran water through radiator one of the three fixed it A+ for googling.
 

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92 honda civic lx
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probably was a plug..I would still change the water pump, if shes stock, it'll probably go soon along with the timing belt.
these parts are fairly inexpensive when compared to the amount of BS you go through when they fail.
 

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Discussion Starter #8
new problem, car does not overheat when temp switcher on conzold is on heat don't even have to turn on heater fan just have it on heat but when I put it on cold just so it won't blow out heat (no ac compressor) car attempts to overheat what could cause this?
 

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92 honda civic lx
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checkt o see if you have a smallcrack in the radiator, i would probably change it......especially if stock
 
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