Blown head gasket? - Honda-Tech


Blown head gasket?

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Old 03-20-2017, 03:55 PM   #1
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Default Blown head gasket?

Hello everyone. This is my first post here so I'm sorry if I'm doing something wrong.

So we just bought a 2005 Honda Civic for $1000. It only has 158k miles but it had a "radiator problem". We checked the codes and it had 53 of them. Most were due to a bad cam position sensor which we replaced but it was still idling very rough and felt sluggish. It still has 10 codes. All for o2 sensors/heaters and a faulty buckle.

We then proceeded to do a compression test with the results: 100, 95, 50, 100

After that I used the compression tester tube that screws into the sparkplug hole and hooked the compressor up to it after getting cyl #3 to TDC on the compression stroke. I brought the compressor up to 100 psi and the radiator started gurgling aggressively. There wasn't enough antifreeze to see it bubble but that's sure what it sounded like.

So I came to the conclusion after looking at other posts that it sounds like either a blown head gasket or a cracked head. Does that sound right?

Should I just pull the head and see?

Thanks.
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Old 03-20-2017, 07:47 PM   #2
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Default Re: Blown head gasket?

Bubbles in coolant while performing leakdown is head gasket, cracked head, or cracked block.
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Old 03-20-2017, 07:58 PM   #3
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Default Re: Blown head gasket?

Well then hopefully it's the gasket then.
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