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11-04-2017, 09:12 AM | #1 |
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Join Date: Jul 2014
Location: Danbury Ct
Posts: 1,254
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Bubbles in coolant mystery solved
A while back I posted that I had found both oil and bubbles (when running) in my coolant. I was convinced that I had a head gasket problem, and that the head was coming off. Luckily before I started taking things apart I decided to get a second opinion.
I emailed our "club mechanic" Patrick Musante and described what I found, and he suggested that he come over and do a leak down test. Yes he makes house calls! If you are a CT area model A owner who would like a professional to come to your house to do a whole job, or to just work with you on a job you are not sure you want to tackle alone, you can call or email Patrick (203) 556-4119 - [email protected] At any rate he came by and we did the leak down test. It did not reveal any clear evidence of a head gasket leak. He went on a 5 mile run with me, and when we returned - no bubbles in the coolant! I got the mechanic version of "Take two aspirin and call me in the morning". Patrick suggested that the oil may have already been in the coolant from other job that was done. He suggested that I flush the system, run distilled water in it for a while, and keep an eye on it. I did that, but recently put antifreeze back in since to was going to go below freezing during the night. Good news #1: The oil has not returned. Good news #2: I think I have figured out where the bubbles came from. My radiator has a fill tube (picture below) with holes on both sides. When the level of the coolant was such that the water pump forced coolant through the hole with enough force to drag some air with it - result bubbles! When the car heats up the coolant expands and the level goes up above the holes - result no bubbles! Moral of the story #1: If the coolant level is just right, you can see bubbles rising in your coolant that are unrelated to the head gasket. Moral of the story #2: Don't jump to conclusions, and start taking things apart because you think you know what is wrong. Seek out an experienced club member or professional to verify the problem before taking action. Last edited by pgerhardt; 11-06-2017 at 10:16 PM. |
11-04-2017, 09:57 AM | #2 |
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Join Date: May 2010
Location: Clinton,WA/Whidbey Island
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Re: Bubbles in coolant mystery solved
Thanks for the update!
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11-04-2017, 10:43 AM | #3 |
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Join Date: Dec 2014
Location: Santa Maria, CA
Posts: 984
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Re: Bubbles in coolant mystery solved
I remember your original posting...I am pleased at the happy outcome.
Thank you for the good news!
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Alan 1929 Special Coupe 1941 Pick-Up 1955 Victoria |
11-04-2017, 12:39 PM | #4 |
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Join Date: Jul 2017
Location: Cave Junction, Oregon
Posts: 432
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Re: Bubbles in coolant mystery solved
You are so lucky to live close enough to get actual hands-on help. I’m not. So, the head would have come off and back on with a new gasket and gasket sealer, and the original problem would have still been there. So, I would have cussed a lot and been right back where I started. However, just working on my A is a joy and all those hours of taking crap off and putting it back on is sooo much better than just sitting around getting old.
I never learned anything and had it really stick unless I screwed up and had to fix it. There, I’ve come up with a personal motto that fits me to a tee. Thanks for sharing, Mike the screw-up |
11-04-2017, 01:40 PM | #5 |
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Join Date: Mar 2015
Location: Greenville, SC
Posts: 1,099
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Re: Bubbles in coolant mystery solved
I suggested on the other thread removing the fan belt - so if it happens again try that and you should know for sure if your theory is correct.
John |
11-04-2017, 02:55 PM | #6 | |
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Join Date: Jul 2014
Location: Danbury Ct
Posts: 1,254
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Re: Bubbles in coolant mystery solved
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Quote:
"It is never easy!" Just get used to it and accept it. |
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11-04-2017, 02:57 PM | #7 |
Senior Member
Join Date: Jul 2014
Location: Danbury Ct
Posts: 1,254
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Re: Bubbles in coolant mystery solved
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11-04-2017, 04:36 PM | #8 |
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Join Date: Jul 2017
Location: Cave Junction, Oregon
Posts: 432
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Re: Bubbles in coolant mystery solved
You know, when something is easy it scares me. I’ve learned over the years that nothing is free, and if it appears to be “Watch Out somethin’s wrong.” I know a lot of this comes from being part of a family that had to work so hard to get what they had. I’m very proud of that work ethic that was implanted in me at a very young age. I had classmates in high school who thought my family was rich because of the cars I owned and the clothes I wore . They couldn’t have been further from the truth, and there was no sense in trying to explain that it was my money from working hard to pay for everything that allowed me to have those things.
I’m so glad that I was born when I was, and I still have very strong ties to the type of thinking that prevailed during the depression. It frightens the daylights out of me to even think about how most of the kids are raised today, and the fact that money means next to nothing. And waste, how could any intelligent species ever do what we’re doing to our lovely planet. That’s enough of that, Mike |
11-04-2017, 05:06 PM | #9 |
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Join Date: Jun 2014
Location: Land of Lincoln
Posts: 3,114
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Re: Bubbles in coolant mystery solved
Money saved ! By not pulling your head off :-)
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11-05-2017, 01:34 PM | #10 |
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Join Date: Oct 2016
Location: Connecticut
Posts: 37
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Re: Bubbles in coolant mystery solved
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