Plymouth Voyager Heater Core Replacement – The Plymouth Voyager’s heater core is located in the rear quarter panel on the right side. If you need to replace the core, you must open up the quarter panel trim from the inside, which will require removing the middle seats in the van.
Tools Used: Tools, Replacement heater core, Wrench, Screwdriver, Engine coolant
Replace Heater Core
Unplug the cable from the Voyager’s negative battery terminal. Drain the cooling system partially, using a clean container for possible reuse.