New water pump. Thermostat issue - PowerStrokeNation : Ford Powerstroke Diesel Forum
 
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post #1 of 9 (permalink) Old 11-09-2011, 05:14 PM Thread Starter
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New water pump. Thermostat issue

So I put a new water pump in my truck. I flush everything put a new thermostat in. Now my temp gauge is running on the o to r. Before it was running at the n. The thermostat I put in is a 195 to 200*. Would the the new thermostat make it run warmer? Or do I have a bad thermostat?

2007 f250 Sd fx4
Arp's, 4"dp 5" straight pipe with 7" stack,S&B intake, no limit cold side, blue spring, 6.4 banjos, gauges, 2.5" leveling kit,sct with gearhead tunes, egr delete and coolant filter warren 175s, powermax
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post #2 of 9 (permalink) Old 11-09-2011, 05:42 PM
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Re: New water pump. Thermostat issue

Maybe your old t stat was just old and worn out? Or stuck open.

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post #3 of 9 (permalink) Old 11-09-2011, 07:40 PM Thread Starter
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Re: New water pump. Thermostat issue

Bump

2007 f250 Sd fx4
Arp's, 4"dp 5" straight pipe with 7" stack,S&B intake, no limit cold side, blue spring, 6.4 banjos, gauges, 2.5" leveling kit,sct with gearhead tunes, egr delete and coolant filter warren 175s, powermax
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post #4 of 9 (permalink) Old 11-09-2011, 08:23 PM
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Re: New water pump. Thermostat issue

Maybe air bubble in the upper hose? Cheers!

97 F250 SC 4x4, E4OD, 4.10 LS, Basically Stock, Relocated Block Heater Plug, Ext Trans Filter, Tru-Cool Max, I/C Mounted but not Plumbed

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post #5 of 9 (permalink) Old 11-09-2011, 09:33 PM Thread Starter
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Re: New water pump. Thermostat issue

It's been around four days I would think the air would be out by now

2007 f250 Sd fx4
Arp's, 4"dp 5" straight pipe with 7" stack,S&B intake, no limit cold side, blue spring, 6.4 banjos, gauges, 2.5" leveling kit,sct with gearhead tunes, egr delete and coolant filter warren 175s, powermax
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post #6 of 9 (permalink) Old 11-09-2011, 11:50 PM
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Re: New water pump. Thermostat issue

Stuck open is about the most common thermostat failure. Your truck was probably running too cool before. It might also have been a lower open-point thermostat. It'll be interesting to see if your mileage goes up any.
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post #7 of 9 (permalink) Old 11-10-2011, 03:51 AM Thread Starter
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Re: New water pump. Thermostat issue

I think we are all good it went up to the r and then back to the n

2007 f250 Sd fx4
Arp's, 4"dp 5" straight pipe with 7" stack,S&B intake, no limit cold side, blue spring, 6.4 banjos, gauges, 2.5" leveling kit,sct with gearhead tunes, egr delete and coolant filter warren 175s, powermax
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post #8 of 9 (permalink) Old 11-11-2011, 02:42 AM
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Re: New water pump. Thermostat issue

Did you make sure the stem length was correct?

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post #9 of 9 (permalink) Old 11-11-2011, 02:45 AM Thread Starter
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Re: New water pump. Thermostat issue

Everything looked identical

2007 f250 Sd fx4
Arp's, 4"dp 5" straight pipe with 7" stack,S&B intake, no limit cold side, blue spring, 6.4 banjos, gauges, 2.5" leveling kit,sct with gearhead tunes, egr delete and coolant filter warren 175s, powermax
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