leaking coolant by thermostat! - Ford Powerstroke Diesel Forum
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post #1 of 9 Old 03-16-2013, 04:56 PM Thread Starter
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leaking coolant by thermostat!

Hey guys i have a leak by my thermostat housing and i am loosing coolant. there is also a fungus like substance by my thermostat that i assume is attributed to the leak. i'm going to try and attach a picture...

2002 Ford F-350 7.3L
Regular cab
8 ft. bed 4x4
Isspro EV gauges (pyro, trans temp, boost)
6637 Intake with Donaldson B085011
Ts 6 position performance chip
4" downpipe to a side pipe with 5" tip
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post #2 of 9 Old 03-16-2013, 05:00 PM Thread Starter
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well the picture didn't work sorry about that but do you think this is my water pump or should i just do a flush and replace thermostat and seal?

2002 Ford F-350 7.3L
Regular cab
8 ft. bed 4x4
Isspro EV gauges (pyro, trans temp, boost)
6637 Intake with Donaldson B085011
Ts 6 position performance chip
4" downpipe to a side pipe with 5" tip
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post #3 of 9 Old 03-16-2013, 07:55 PM
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Didnt see pic but our trucks are bad about leaking out the thermostat housing. Order a billet one from dieselsite. I just fixed mine and now the water pump is leaking out the weep hole

2000 F250 XcabSB, 4x4, 4" strait pipe, DIY intake, FRx, BDP tunes, WW2, 6.0 cooler, BTS VB, gauges, 55w digital projector HIDs
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post #4 of 9 Old 03-16-2013, 08:00 PM Thread Starter
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Quote:
Originally Posted by gomer pyle View Post
Didnt see pic but our trucks are bad about leaking out the thermostat housing. Order a billet one from dieselsite. I just fixed mine and now the water pump is leaking out the weep hole
Where is the weep hole located? I want to make sure its just the housing and not the water pump. Where can you get the billet housing? Is it just the elbow for the t-stat or what?

2002 Ford F-350 7.3L
Regular cab
8 ft. bed 4x4
Isspro EV gauges (pyro, trans temp, boost)
6637 Intake with Donaldson B085011
Ts 6 position performance chip
4" downpipe to a side pipe with 5" tip
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post #5 of 9 Old 03-16-2013, 08:06 PM
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Diesel site. It's a billet thermostat housing

99.5 f250 7.3 4x4 255k
PHP Phoenix, S&B, 4" Diamond Eye, Hpx, Stancor, RR Billet Wheel, RR AIH Delete, Autometer Gauges, Pro Comp leveled, Transgo Tugger, Billet TQ Converter, Warn Hubs, Int'l Up-Pipes, RR IC-Boots, Non-Ebpv Pedestal, High Flow Outlet, Hucorey's HPOP Lines, RR High Flow Fuel Fittings, RR OCR, Barder 360 Thrust Kit, 08 Tow Mirrors.

Dad-2000 7.3 108k miles, Autometer Gauges, Superchips 1705, RR AIH Delete, 6637, 4" Diamond Eye, BD Billet Wheel, TruCool Max
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post #6 of 9 Old 03-16-2013, 08:08 PM
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Weep hole is under the pulley. Dieselsite.com

2000 F250 XcabSB, 4x4, 4" strait pipe, DIY intake, FRx, BDP tunes, WW2, 6.0 cooler, BTS VB, gauges, 55w digital projector HIDs
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post #7 of 9 Old 03-16-2013, 08:10 PM Thread Starter
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Thank you both! Is there an o-ring that comes with the housing?

2002 Ford F-350 7.3L
Regular cab
8 ft. bed 4x4
Isspro EV gauges (pyro, trans temp, boost)
6637 Intake with Donaldson B085011
Ts 6 position performance chip
4" downpipe to a side pipe with 5" tip
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post #8 of 9 Old 03-16-2013, 08:12 PM
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Yes. But i used permotex also

2000 F250 XcabSB, 4x4, 4" strait pipe, DIY intake, FRx, BDP tunes, WW2, 6.0 cooler, BTS VB, gauges, 55w digital projector HIDs
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post #9 of 9 Old 03-16-2013, 08:15 PM Thread Starter
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Is that silicone based sealant?

2002 Ford F-350 7.3L
Regular cab
8 ft. bed 4x4
Isspro EV gauges (pyro, trans temp, boost)
6637 Intake with Donaldson B085011
Ts 6 position performance chip
4" downpipe to a side pipe with 5" tip
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