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Old 10-26-2014, 12:40 AM   #21
SoCalAngler's Avatar
Join Date: Oct 2014
Location: Inland Empire, CA
Posts: 34
Have you checked the trans cooler portion of the radiator? Most radiators have a separate section that is designed to cool the trans. Trans fluid enters radiator, exits, then heads to external cooler, exits external cooler, and then returns back to trans. Basically, external cooler is added in line of trans return line.

My trans was heating up in hot weather. I pulled the trans return line and started engine to see if fluid was returning at proper amounts. It was not. I check to see if trans fluid was exiting trans at proper amounts. It was.

Therefore, the trans cooler portion was clogged. Again, this section or radiator is separate from engine cooling section. I replaced radiator and temps dropped considerably.

1992 Ford F-350 XLT, Crew Cab, Longbed, 4X2, 7.5L, E40D, 3.55, Tru-Cool Max Trans cooler
1998 Jayco Eagle 243RKS
Anderson Ultimate 5th Wheel Hitch
2014 Gregor Eagle Center Console, Mercury 60HP 4 Stroke, Garmin 93SV FF, Motorguide Xi5 GPS
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Old 10-26-2014, 05:46 AM   #22
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Join Date: Jun 2010
Location: Saskatoon Sask Canada
Posts: 8,764
Backwash your rad with low-med pressure water.. DO NOT USE A PRESSURE WASHER.. take the fan shroud off when you do this... you will be amazed at the gunk that comes out of the rad fins..

2004 Chev Silverado Duramax optioned past the max. 2009 Jayco Eagle 308 RLS 765 watts of solar, 6-6 volt batteries (696 amp hour), 2000 watt (4000 surge) whole house inverter.
140 days boondocking in 2016
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