Thread: 2003 5.3 overheating problems
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Old 07-09-2008, 12:56 PM
2000CAYukon 2000CAYukon is offline
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Re: 2003 5.3 overheating problems
Are both radiator hoses getting really hot? New T-stats can go bad (this has happened to me). I would put the t-stat is boiling water to make sure it is opening correctly.

//2000CAYukon
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