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  #11  
Old 05-09-2016, 11:18 AM
vstol vstol is offline
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Quote:
Originally Posted by Vegas69 View Post
Air pocket if it goes from 210 to 240 quickly.
It does and I plan to elevate it tonight or tomorrow to see if I can get rid of it. Understand cap off?? Thanks
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  #12  
Old 05-09-2016, 02:33 PM
130fe 130fe is offline
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I agree with the air pocket diagnosis. Fill the engine through the upper radiator hose, and fill the radiator as well. Never had an issue with air pockets doing it this way.
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Last edited by 130fe; 05-09-2016 at 02:35 PM.
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  #13  
Old 05-09-2016, 03:00 PM
vstol vstol is offline
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Quote:
Originally Posted by 130fe View Post
I agree with the air pocket diagnosis. Fill the engine through the upper radiator hose, and fill the radiator as well. Never had an issue with air pockets doing it this way.
Thanks
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  #14  
Old 05-09-2016, 07:15 PM
randy randy is offline
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even though my gauge was almost pegged out the engine never got to the correct temps to open the t-stat. Use the infrared scanner and check. I also squeezed my hoses to let air pockets out. It times time but you will be fine
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  #15  
Old 05-10-2016, 02:33 PM
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Chad-1stGen Chad-1stGen is offline
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I also say air pocket. I've found my ls3 to be extremely sensitive to air pockets and somewhat tough to bleed whenever I'm refilling the system.

Steps I take now:
1. Jack the front of the car up.
2. Fill the engine first through the upper radiator hose
3. Then fill the radiator
4. Remove the 1/4 steam by pass line and ensure a steady flow of fluid (bleeding out last bit of remaining air).
5. Run the car with the heater bypass open and allow the thermostat to cycle with the radiator cap off multiple times.

Throughout the engine running and subsequent first cool downs ensure that the radiator level doesn't drop below the upper hose outlet at the waterpump.
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  #16  
Old 05-10-2016, 06:44 PM
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Thanks will try all of this tomorrow
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  #17  
Old 05-10-2016, 06:56 PM
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sn75 sn75 is offline
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This may work for you as well (think some folks here and other site use this):

http://www.amazon.com/Lisle-24610-Sp.../dp/B001A4EAV0

I plan to use one when I eventually get my LS engine in my car.

Good luck
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  #18  
Old 05-10-2016, 10:34 PM
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CamaroAJ CamaroAJ is offline
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Stupid question, but you don't have tape covering the waterpump to block interface right? I've seen it happen before to a friend that painted his waterpump.

Also I've seen aftermarket waterpumps have the impeller on backwards, fall off, or just be missing all together if it's a stock style pump.
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  #19  
Old 05-11-2016, 04:51 AM
vstol vstol is offline
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No tape, thanks. I plan to attack this again today
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  #20  
Old 05-11-2016, 08:34 AM
vstol vstol is offline
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I have the car elevated but not to the moon. I have started it twice and see the bubbles, this time the upper hose is warming up as is the radiator water but the temps still pass 210 and lower hose cold. I do not let it go past 210
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