In one of the posts I read while trying to figure out how to install an auxuiliary water pump, someone mentioned that he disconnects the power to the pump during the summer months. Anyone know the rationale for this? Granted, there's no need for heat at low rpm, but why go to the effort? Just curious.

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14 E250 Bluetec 4Matic "Sinclair", Palladium Silver on Black, 159k miles
06 E320 CDI "Rutherford", Black on Tan, 178k mi, Stage 1 tune, tuned TCU
91 300D "Otis", Smoke Silver on Tan, 145k mi, wastegate conversion, ALDA delete

19 Honda CR-V EX 75k mi
Fourteen other MB's owned and sold
1961 Very Tolerant Wife