A big stat causing no fluid to get to the core? What is a big stat? If its some kind of superflow at a low open temp you may be using a stat as a band aid for an otherwise not up to the task cooling system overall. You can have issues with say no stat, very low temp stat, or stat that is not working correctly keeping the temp too low and causing issues.
Sounds like your either low on coolant, a bum stat, or have air bubbles. There is no reason the WP would not flow coolant to the heater core as it is a direct cooling system pressure/displacement of fluid by the pump process. The electric pump your wanting will only do what the WP already does by design.
Sounds like your either low on coolant, a bum stat, or have air bubbles. There is no reason the WP would not flow coolant to the heater core as it is a direct cooling system pressure/displacement of fluid by the pump process. The electric pump your wanting will only do what the WP already does by design.
I also have the same set up as you but believe me, heat from the heater is not an issue. If you are not getting heat there may be an obstruction in the lines or the heater core. I'm also wondering if the heater and bypass hoses were reversed off of the water pump.
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mnky99 2001 V6 evap core, ac compressor, heater core replacement