My heater went out in my mercury cougar 2001 it began to make clanking grinding sound for a few days then sounded like a bike chain disconnecting and one it won't work at all. What do I do and where is the unit located in the vehicle ?
Guessing the flat belt tensioner is worn and needs replacement~http://www.new-part.com/product/mercury-cougar-ford-escape- acc-belt-tensioner-assy-gates-1f1z-6b209aa?gclid=CJn8- OX3qLsCFSho7AodYXQAuQ
the belt too~ http://www.stockwiseauto.com/product_info.php/products_id/79313/fit_id/102 27/Year/2001/Make/Mercury/Model/Cougar/source/googleps? gclid=CNmT17j4qLsCFaHm7AodCXsAAw
quite surprised you did not see the pool of coolant that came out of the "weep hole" on the front of the waterpump~ did you notice a reduced coolant level?
this belt drives the alternator too~
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