New waterpump, truck now runs hot - Ford Powerstroke Diesel Forum

 
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post #1 of 4 Old 01-02-2012, 09:35 AM Thread Starter
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New waterpump, truck now runs hot

I just installed a new waterpump and thermostat in my '97 F-250. Now when driving, the needle on the guage is reading noticeably hotter than with the previous parts. It also fluctuates temp. while at highway speeds. Any ideas?

SOLD--2003 F-250 RC/LB FX4, 6.0, 5R110, EGR cooler capped off at both ends, CAT EC-1, Rotella T6, Motorcraft fuel and oil filters, Amsoil in diffs/T-case, blue spring update, ScanGuage II, 5" Diamond Eye exhaust (not cat, no muffler ) 4" downpipe, Cooper Discoverer S/T's (LT265/75R16E).
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post #2 of 4 Old 01-02-2012, 10:08 AM
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possible air in system, is it showing good and full

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post #3 of 4 Old 01-02-2012, 11:39 AM Thread Starter
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Yea, Its fully topped off. An air pocket crossed my mind as well, especially since my temp guage fluctuates at highway speeds. Any ideas to bleed the system better?

SOLD--2003 F-250 RC/LB FX4, 6.0, 5R110, EGR cooler capped off at both ends, CAT EC-1, Rotella T6, Motorcraft fuel and oil filters, Amsoil in diffs/T-case, blue spring update, ScanGuage II, 5" Diamond Eye exhaust (not cat, no muffler ) 4" downpipe, Cooper Discoverer S/T's (LT265/75R16E).
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post #4 of 4 Old 01-03-2012, 02:37 PM Thread Starter
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Where is the normal place for the needle to be on the temp guage during highway driving. Mine is hovers right in the middle of the NORMAL area, used to be right around the "N" in normal.

SOLD--2003 F-250 RC/LB FX4, 6.0, 5R110, EGR cooler capped off at both ends, CAT EC-1, Rotella T6, Motorcraft fuel and oil filters, Amsoil in diffs/T-case, blue spring update, ScanGuage II, 5" Diamond Eye exhaust (not cat, no muffler ) 4" downpipe, Cooper Discoverer S/T's (LT265/75R16E).
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