Chevy Blazer S-10

How do you replace a heater core in a 1991 Chevy Blazer S10 with AC?


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Wiki User
2013-06-16 16:18:41
2013-06-16 16:18:41

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.


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