when you cant do a compression test, do this
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Honda-Tech Member
Joined: Mar 2007
Posts: 899
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From: Stroudsburg, PA, USA
when you cant do a compression test, do this
I did a leakdown test and one cylinder was leaking about 25% more than the others. So once the head was off, I was wondering If it was true that the rings could be tested with the head off.
Test 1: CONFIRMED
I put all the pistons to the same height and filled them up with oil. After 2 weeks the suspect cylinder had almost no oil in it.
Test 2: CONFIRMED
I plugged up all the holes in the block with rags and refilled the cylinders with oil. Then I applied compressed air to the dipstick tube. Small bubbles leaked from ALL of the cylinders, but the suspect cylinder was bubbling like crazy.
Test 1: CONFIRMED
I put all the pistons to the same height and filled them up with oil. After 2 weeks the suspect cylinder had almost no oil in it.
Test 2: CONFIRMED
I plugged up all the holes in the block with rags and refilled the cylinders with oil. Then I applied compressed air to the dipstick tube. Small bubbles leaked from ALL of the cylinders, but the suspect cylinder was bubbling like crazy.
Honda-Tech Member
Joined: Apr 2014
Posts: 343
Likes: 2
From: Syracuse, NY
Re: when you cant do a compression test, do this
Good info, I never would have thought of that...but I also have never been in that situation, probably wouldn't be patient enough to wait 2 weeks lol
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Oct 26, 2005 02:01 AM