how to replace heater core on 1991 Ford F-150

whats the procedure to replace a heater core

by in Columbus, MI on April 20, 2009
2 answers
ANSWER by on April 22, 2009
You should invest in a repair manual. Try a local parts store, or even better is an online subscription to They will have so much more than a repair manual book, and you can get it in minutes.
ANSWER by on June 08, 2010
91 f150 take out glove box door remove about 8 screws there it is 25 min job
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