link here:
http://www.craigcentral.com/durango/speakers.asp
remove the door panels
you shouldn't just follow your coolant hose
You have to remove the trans oil pan to change fluid.
6.5 for the front
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5.75 inch speakers are in the front and rear doors
Behind the instrument Cluster. Or remove it and replace the Cluster.
located at the end of the upper radiator hose. remove two bolts, replace with new parts remember to replace the gasket.
You can remove the headlamp and drill a small hole in the bottom but this is not recomended.the correct way is to simply replace it
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Which speakers are you trying to replace? Front or rear?
take it to a mechanic!