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Author
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Topic: Bubbles in radiator
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MAV
Gearhead Posts: 144
From: Macon,Georgia, U.S.A.
Registered: Mar 2002
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posted 02-15-2003 11:19 AM
   
My new engine has been doing very well,
I have about 70 miles on it now without really getting on it hard. The shift light is set at 3,800 and has only been lit about 4 times. The gas pedal hasnt been near the floor yet. After I first ran it and let it reach 180 degrees twice, I tried a retorque
on the heads. The head bolts did not move any at all when I retorqued them 
But I had the radiator cap off while it was running in the driveway yesterday and there where very small bubbles in my coolant.what do you guys think is going on here?Am I being
paranoid or does this mean there is a problem?
P.S.
I have a Milodon waterpump and a new aluminum radiator------------------
http://maverickgrabber.iwarp.com
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Moneymaker
Administrator Posts: 19704
From: Lyons, IL, USA
Registered: May 99
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posted 02-15-2003 11:47 AM
Could still be air in the system.
Rent, borrow, beg, steal, or buy a cooling system pressure tester right away. That is the only way you will know for sure.
That is one tool that NO SBF gearhead should be without.------------------
Alex Denysenko
Co-Administrator and Moderator NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00,'01,'02,&'03
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Professional Manwhore
The Barry of BarrysGrrl Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com
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MAV
Gearhead Posts: 144
From: Macon,Georgia, U.S.A.
Registered: Mar 2002
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posted 02-15-2003 12:00 PM
Can I get one at Sears or Napa,AUTO ZONE?
how does it hook up/work?
just curious. I have a spark plug hole air
chuck type tester,Havent tried it yet
on this problem. ALSO would air that was still in the system make small "fizzleing" type bubbles like I`m seeing?. ------------------
http://maverickgrabber.iwarp.com [This message has been edited by MAV (edited 02-15-2003).]
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Moneymaker
Administrator Posts: 19704
From: Lyons, IL, USA
Registered: May 99
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posted 02-15-2003 12:12 PM
I don't know about Sears, but most parts stores have them.
It has a special fixture that attatches to your radiator like the cap.
There is a hose with a pump and guage at the other end.
You pump it up to about 20 lbs and then watch the guage and lisen for leaks.
The bigger chain parts stores that rent tools should have them also.------------------
Alex Denysenko
Co-Administrator and Moderator NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00,'01,'02,&'03
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Professional Manwhore
The Barry of BarrysGrrl Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com
IP: Logged |
clevelandstyle
Gearhead Posts: 638
From: Connersville, IN
Registered: Jul 2001
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posted 02-15-2003 12:56 PM
You can also pump up the coolant system to 20psi and then run the engine. If the pressure in the system climbs, you could be getting combustion pressure in the system.(leaking head gaskets)------------------
Ben
Grabber Green '70 Mach I 351C 4V
Robbin Egg Blue '79 Fairmont 351C 4V
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Hans olsson
Gearhead Posts: 293
From: Sweden
Registered: Apr 2000
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posted 02-15-2003 02:21 PM
Two things come to my mind. First, when you retorque,you need to loosen one bolt at the time and torque that one and then move on to the next. Second you could check for exhaust fumes in your cooling system.One way is to use a device called Blok-check or Blok-tester.It involves a fluid that changes color when it comes in contact with exhaust fumes.Or you could have the local dealership use the probe from the exhaust tester to check for HC(hydrocarbons).
Hans------------------
- 71 Mach1 351c
- E/SA 11.89-110 mph
- F/SA 11.76-111 mph
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