Over heating

[B4Real]

Hello all
I have changed out my radiator water pump and thermostat my 03 marauder is overheating! Almost immediately the temp gauge shoots up and water is not circulating to the top hose. Pleeez help!


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[RubberCtyRauder]

You have air in system, these motors require a burping procedure.

https://reischeperformance.com/refill.html

[B4Real]

Thanks I will do it today also I’m going to replace the autozone Tstat with the Napa Thm 109
Thanks again


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[fastblackmerc]

Thanks I will do it today also I’m going to replace the autozone Tstat with the Napa Thm 109
Thanks again


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According to NAPA's website the THM 109 does not fit a Marauder. This is the one you want:

https://www.napaonline.com/en/search?text=thermostat&referer=herofitmentForm-newveh

NAPA P/N: THM PM1924535

Get a new seal also. THM 1107

[B4Real]

You guys are awesome! Thank you thank you . I will get on it today. Replace Tstat and burp my system. So far I’ve replace a fuel pump without dropping the tank and did the O ring fix for my EATC system thanks to this forum. I will pay it forward with every remedy. Thanks again.


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[88LTDCV351]

From my recollection, not all thermostats work for the Marauder, even if they say they do. If its also listed under Grand Marquis, then it's not the correct thermostat