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What I would do ( after fighting the same battle) is to take every single hose off, flush them with a pressure washer. Then hit the trans cooler. Run a rod down all the ports in the trans cooler. Back flush the heater core then forward flush a good few times. Then Remove your inspection plates...

That is correct. Big boy is apparently fixed. Everywhere I shot the temp gun showed the engine and all but one hose never got over 180.One heater hose reached 203.At the time the fan activated the temp gauge was reading about 260. I'm still not sure why the system still had pressure in it about...

Does anyone know what a "High temperature Switch" is? I seen it in the manual, but it really didn't state what it did or where it went to. I ask because my truck had one, Someone down the line cut it off. Wondering if I should replace it or not. Thanks for the info.

I did say boiling water! What I should have said was I was boiling water to check the variance between the food thermometer and the temp gun. The water never really got to boil. It was close though! Other than that, I'm not sure what your saying!

I finally broke down and bought a temp gun....I know, I know. Well let me start from the beginning. I went out this morning and after letting the truck run up to 240 on the gauge yesterday, I removed the rad cap, and a huge rush of air came out. That really surprised me since I vented the system...

I would also like to add before bidding you should probably check with me if I'm available that week for pickup. I most likely will be, but my days off change every week so every once in awhile there is a week I cannot pick up.The last week of July will be iffy. Building a wheelchair ramp for...

I'm still here if anyone needs 1-2 pallets picked up. I can also pick items up and have them shipped to you in case your in a time crunch! We can work out a horse trade or just we can work out payment.

One thing I did notice when I took the radiator out was that the crossover pipe to the top rad hose was almost rusted through. To me that gave me an inkling that the rad was plugged. I would take that top hose loose and see how bad that pipe is! I bought a 2 3/8" galvanized fence post for about...

You could buy a sheet of thin plexiglass and make your own.

Wheelspinner;I have caged the fan before and it did absolutely nothing. In fact after I drove the truck to turn in some cans. The actuator got stuck in the open position and no decrease in temp.Side note: When rebuilding the actuator make sure you get the right size high heat o rings. The ones I...

I opened the plates and nothing, So this truck is a complete piece of crap and is now nothing more to me than a piece of sh------dung!!!!! Anybody interested in an over priced truck that you can't drive?

In a sad way I hope those plates show all kinds of crap, but when I removed the middle plate for the block heater it was picture perfect inside, as well when I removed the water pump.I must have re-rebuilt the actuator wrong because the temp reached 240 and the fan never came on. SO I shut it...

rhurey; I have not checked the engine temp with a seperate source. I think I need to do that! Artisan; I have not removed the inspection plates! I will do that tomorrow since I've already taken everything apart again.Just to make sure there is 3 correct on the passenger side of the motor? I...

Alright, I cleaned the radiator, replaced the clogged small hose, replaced the thermostat, took every hose off and cleaned out, replaced filter, replaced crossover pipe, flushed the engine, replaced temp sensor,checked the water pump,added new coolant and distilled water,rebuilt...

I thank you for the advice, but am not sure what you are saying. Could you be more specific? Please and Thank You!

So I finally figured out the "main cause" The radiator was completely plugged. It took me almost 2 hours to power wash the thing clean. I still have 4-5 ports that won't clean out, but I'm happy with how the rad sits. Now on to putting everything back together!

Well today has been a trying day at best, I had an MRI to check for the same problems Momma had and might have found something different. I then decided to come home and work on bigboy after seeing Mommason, just to get my mind off of things and this is what I found. One the radiator is...

I finally had enough of just looking at bigboy. SO I broke off about 2 hours to get into it. I took the coolant tank hoses off. 1) The long one that goes to the radiator had some build up in it, with chunks of what appeared to be chunks of rust. So I blew that line out with 140 psi and believe...

Thanks for the info gents. But Bigboy is on permanent hold for the foreseeable future! My mother had to have emergency brain surgery this week and of course her insurance isn't excepted anywhere on this planet. So I'm going to have to put all of my attention into her well being. Sadly this also...

Does anyone know of the radiator gasket number or where to buy it? I'm wanting to pull the rad and completely go through it just to eliminate it as a possibility of my overheating problem.