What did you do to your NNBS GMT900 Tahoe/Yukon Today?

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89Suburban

Bull in the china shop
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Just noticed this on the passenger side of the engine and scratching my head. edit; there's some white build-up on the pipe itself not caught by the image
View attachment 441281

You should replace those tee's and the heater hose nipple where it is crimped. They are 3 separate parts and a major PITA. But if one of them let's go on the road that is worst, bad news bears.
 

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