Estime for heater core replace--how many hours? on 2000 Chevrolet Astro

For any estimate can you provide the number of manhours used to provide the labor estimate?

by in Horseheads, NY on March 08, 2010
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1 answer
ANSWER by , March 08, 2010
For the main heater my book shows 3.2 hours but does not include AC system recharge as for the auxiliary heater core (in the back on some models) the time is 1 hour and also does not include AC system recharge