High Engine Temps - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 8 (permalink) Old 01-15-2008, 03:23 AM Thread Starter
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High Engine Temps

Last fall I bought a camp trailer that ways around 9500 pds fully loaded. Running 1000-1250 egts while pulling a hill the engine temp got hot enough to make me have to pull over twice. Even out of over drive going slower it still tryed to get hot. When the truck is empty I can pull the same hill and be fine. The only time it gets hot is when its pulling up hills to make it work harder. My question is has any one else had this problem and how did you fix it. I called two shops and they bolth said I need a new thermostate and radiator needs to be taken to a shop to be boiled and cleaned. Would a 16cm exhaust housing also help so it wont build so much heat. I only used the trailer once last year so I need to get this fixed before I fry my truck this spring. Thanks

1997 Dodge 2500 4x4 auto, 4 inch exhaust, airaide intake, 0 plate, boost elbow, 4k gsk, trans, boost, and pyro gauges, built trans with billet converter, 16 cm exhaust housing.
1991 Dodge W250 4x4 manual, 3200 gsk, 4 inch straight piped, advanced timing 1/8", pump turned up all the way.
1997 F-250 Power Stroke-manual trans, 4" exhaust, TS 6 position chip with PHP Tunes, DIY intake, shimmend regulator.
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post #2 of 8 (permalink) Old 01-15-2008, 05:29 AM
 
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The exhaust housing isn't going to make a difference, its not an EGT problem. Something in the cooling system is restricting the flow. I'd flush the system and try a new thermostat. Make sure nothing is blocking airflow through the radiator.

Do you have a gauge on the transmission? If so what were the readings? It might be the problem.
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post #3 of 8 (permalink) Old 01-19-2008, 12:46 AM
 
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Get a pressure washer and at a straight on angle shoot water thru the fins. remove the cap and look inside see any corrosion? What temp does it run at in traffic? Spin yout fan and see if the clutch is shot. I'd do the t-stat first though and then the other stuff I said!
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post #4 of 8 (permalink) Old 01-19-2008, 02:22 AM Thread Starter
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Fan clutch seems good. 190 degrees tops normall driving with no load. I dont remember exactly what the temp gauge was on the tranny but it did get warm, but not till the truck did.

1997 Dodge 2500 4x4 auto, 4 inch exhaust, airaide intake, 0 plate, boost elbow, 4k gsk, trans, boost, and pyro gauges, built trans with billet converter, 16 cm exhaust housing.
1991 Dodge W250 4x4 manual, 3200 gsk, 4 inch straight piped, advanced timing 1/8", pump turned up all the way.
1997 F-250 Power Stroke-manual trans, 4" exhaust, TS 6 position chip with PHP Tunes, DIY intake, shimmend regulator.
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post #5 of 8 (permalink) Old 01-19-2008, 04:35 AM
 
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I just put a new t-stat in and it fluctuates between 150 and 180 as it opens and closes. Check your rad for plugging inside and out, easy check put a flash light on one side and look thru all over for blockage. do it at night.
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post #6 of 8 (permalink) Old 01-19-2008, 06:42 PM
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Stock tranny?

95 Dodge 3500HD 2WD 5.9--Mods-215 pump'd, .022 dv's, CDP modified 435's, ATS manifold, 4gsk, #100 plate, 15.5* timing, Studs, .020 marine head gasket, Autometer Cobalt Pyro boost and dpss gauges, Valair 13" clutch, yada yada...(totaled on 10-21-08 by an idiot)
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post #7 of 8 (permalink) Old 01-21-2008, 01:56 AM Thread Starter
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Yea for about another month till I get the money for a new one.

1997 Dodge 2500 4x4 auto, 4 inch exhaust, airaide intake, 0 plate, boost elbow, 4k gsk, trans, boost, and pyro gauges, built trans with billet converter, 16 cm exhaust housing.
1991 Dodge W250 4x4 manual, 3200 gsk, 4 inch straight piped, advanced timing 1/8", pump turned up all the way.
1997 F-250 Power Stroke-manual trans, 4" exhaust, TS 6 position chip with PHP Tunes, DIY intake, shimmend regulator.
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post #8 of 8 (permalink) Old 01-23-2008, 01:54 PM
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What kind of pyro temps are you seeing?

I notice your running a #0 plate and have gauges. Since you are running extra fuel and towing its going to create extra heat...

But even my truck still is under control at about 205*F loaded with firewood towing another cord of wood on a trailer. Running 4x4 on the Edge Comp... But my pyro is running 1,200*F easy.

Hmmm...

Replace your T-stat.
Boil and Rod your radiator.
Check your Fan Clutch for lock up.

If you maintain a good maintance schedule your radiator and block should be clean...Here is what mine looks like at the 100K mark! :wow




Michael Nelson - 2002 Dodge Cummins & 1996 Dodge Ram 5.9L Gasser
116K Miles On My VP44 - 4 Years of 2 Cycle Oil Diet! - Mixed at 128:1 Ratio - 25.3 MPG maxed out!
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