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How do you replace a heater core in a 1991 Chevy Blazer S10 with AC?
Wiki User
∙ 10y ago
Recommend you buy a Chilton or Haynes manual for this one. Explaining it without visual references makes it a bit more difficult. Before you go through the process of changing out the heater core, try backflushing it to see if it might simply be clogged.
Wiki User
∙ 10y ago
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