2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

checking my coolant seals

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Old Mar 5, 2007 | 11:19 AM
  #1  
Mr. HKS's Avatar
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From: Surrey, B.C. Canada
checking my coolant seals

i'm suspecting my coolant seals are starting to go so i did a little test. i took the egi fuse out and cranked it with the rad cap off and coolant topped. i cranked it for about 8 seconds. the coolant remained relatively still at first but did start to spill out just a tiny bit. is that normal?

heres a vid i took

http://www.youtube.com/watch?v=__VVb6lJTfY

Last edited by Mr. HKS; Mar 5, 2007 at 11:47 AM.
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Old Mar 22, 2007 | 01:51 PM
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was the engine warmed up when you did this?
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Old Mar 22, 2007 | 04:04 PM
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do you have to warm your car up before you test? i'm just curious.
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Old Mar 22, 2007 | 04:53 PM
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im curious as well. Also how does this test if ure seals are bad. I know ppl are doing it but what occurs inside the engine when the seals are bad that cause the coolant to overflow from the cap?
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Old Mar 22, 2007 | 05:07 PM
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supposedly Compression from the Internals is to make it's way By the Bad coolant seal,and thereby Putting Air into the Cooling system.if it really Erupts you know you have a problem..
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Old Mar 22, 2007 | 10:35 PM
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If your car is not warmed up the thermostat is closed so no air/coolant can get through so it will defeat the purpose I believe. Im not 100% sure, someone correct me if im wrong.
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Old Mar 22, 2007 | 11:54 PM
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From: st louis
yes you are correct the thermostat must be open and engine warmed up for this test to be properly done
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