Coolant Tank ? NAS 90 - Defender Source
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  #1  
Old July 25th, 2013, 03:41 PM
bjp
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Brent
1995 D90
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Coolant Tank ? NAS 90

Are there any issues with the function of the Expansion Tank if I lower it 3 or 4 inches to avoid the rubbing of a new Puma Bonnet.
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  #2  
Old July 25th, 2013, 09:01 PM
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Davis
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Chris Davis
94 NAS D90 6.2LS
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I was always under the impression that the level of the tank was important--that it was set to the level that when properly full would be at the level of the coolant at the highest point in the system. That said, I hate the small, metal tank that came with the D90 (and RRC) and changed it out to the Disco1 style (with slight coolant line change adding a T-in at the heater line) and I mounted it so that the fluid when properly full was at the same level. My guess is that by lowering it, you may have more coolant in the resevoir which more likely than not would blow out when getting hot leaving you with too little in reserve. I am guessing--I would love to know what others have to say.
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Old July 25th, 2013, 10:55 PM
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Jason England
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Quote:
Originally Posted by Davis View Post
I was always under the impression that the level of the tank was important--that it was set to the level that when properly full would be at the level of the coolant at the highest point in the system. That said, I hate the small, metal tank that came with the D90 (and RRC) and changed it out to the Disco1 style (with slight coolant line change adding a T-in at the heater line) and I mounted it so that the fluid when properly full was at the same level. My guess is that by lowering it, you may have more coolant in the resevoir which more likely than not would blow out when getting hot leaving you with too little in reserve. I am guessing--I would love to know what others have to say.
Sounds right to me.
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  #4  
Old July 26th, 2013, 08:42 AM
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Mike Hammond
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Might have problems bleeding the system too.
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  #5  
Old July 26th, 2013, 02:00 PM
CDeWan
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Clay DeWan
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sh*t barry didn't think about that for the puma bonnet conversion
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