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This task sucks. I work for a Gm dealership in the truck dept. so I can feel for you on this. Most 98-up models, the dash bezel needs to be removed. The heater core sits behind the glove box in the heater box. Good luck

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βˆ™ 2015-07-15 18:44:09
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Q: How do you change the heater core on a 1999 Suburban and how difficult is it?
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