Generation III Internal Engine 1997-2006 LS1 | LS6
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How bad is my coolant?

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Old Jan 8, 2016 | 01:53 PM
  #21  
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Originally Posted by Spikers
But curious as to what a power steering cooler would have to do with it tho
It's a common problem. I removed mine before it had the chance to leak and replaced the stock one with a trans cooler mounted below the radiator. See the thread below for a good explanation of the problem...

https://ls1tech.com/forums/generatio...oler-pics.html
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Old Jan 8, 2016 | 08:37 PM
  #22  
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Originally Posted by paul bell
how's your oil level? Too high? When you do an oil change, any coolant in the oil?
? ? ?
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Old Apr 27, 2016 | 06:38 PM
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I dump 6 quarts of Mobil 1 5W-30 Full Synthetic High Mileage. I had the radiator flushed twice since this happened and it's pure green now like it should be no sediments of any trace.
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Old Apr 27, 2016 | 06:42 PM
  #24  
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Thinking about it, is my oil choice good? What's the abosulute best/expensive oil that these LS1's love. I'm talking really high oil pressures on cold starts etc like that. Royal Purple?
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Old Apr 28, 2016 | 07:09 AM
  #25  
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I/we'd like to help you but to help us diagnose your problems, you need to answer the questions posed to you.

https://ls1tech.com/forums/generatio...g-threads.html

Originally Posted by Paul Bell
How's your oil level? Too high? When you do an oil change, any coolant in the oil?
Originally Posted by Darth_V8r
Do you happen to have a power steering cooler? It would be attached in the middle of one of the big radiator hoses.
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Old Apr 28, 2016 | 10:21 AM
  #26  
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At a minimum, get a new radiator cap (in case the old one is letting in air), and then check for leaks at the water pump seal (check for signs of orange sludge on the two vetical bolts at the bottom of the timing cover).
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