whats the procedure to replace a heater core
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1991 Ford F-150 Question: how to replace heater core
Answer #1Bret Bodas from RepairPal Test Shop, April 22, 2009, 13:50Master
You should invest in a repair manual. Try a local parts store, or even better is an online subscription to alldatadiy.com. They will have so much more than a repair manual book, and you can get it in minutes.
Answer #2Visitor, June 08, 2010, 13:31
91 f150 take out glove box door remove about 8 screws there it is 25 min job