Yes, if the thermostat was not replaced with the radiator, replace it first. Be sure the auxillary fans are working on BOTH speeds.

When the A/C is on, you need low speed aux fans.

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Benzmac:
Donnie Drummonds
1992 500E (very soon I hope
1981 280GE SWB
ASE CERTIFIED MASTER AUTO TECHNICIAN
SERVICE MANAGER FOR 14 BAY FACILITY
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