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Heater Core Replacement: 1 to 2 hours. ($40 / $290 / $480)
I always use the Swedish Car Parts core: www.swedishcar...
If you smell coolant or other sweet odor when you turn the heat on, there is a good chance that your heater core has started to leak. If your windows fog along with the odor, you need to replace the core immediately.
I replaced a heater core in this Volvo S70. The process is just about the same for the Volvo 850 except for process of removing the lower dash panels. A little easier on the 850.
I suggest that you drain the radiator before doing this task. It will help you loose less coolant inside the cabin. You can also pinch the heater hoses outside of the firewall.
Basic heat / AC system information:
• Full flow heater core,...
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