upper radiator hose leak help

[hd02272]

hey guys just wondering if anyone has done one of these before pretty sure i can handle it myself but willing to take tips. can i just drain collant then remove hose and add collant or should i do a flush

[Evo B]

How many miles on the truck? If it's fairly low, just drain 2 gallons or so out and swap the hose. If it's higher mileage and have some extra time go for the full flush. Another thing to think about is if your doing the full flush you might want to check to see if your lower hose is the updated version too... If not that's a good time to change it. I'm pretty sure you need to remove the upper EGR cooler to gain access to the thermostat housing. There might be a way to remove that clip with the cooler on and be able to wiggle the old hose out and new one in, but I would look into that a little bit. I had already deleted my EGR system when I did mine so I didn't have to worry about it.

[hd02272]

its got 90,000 on it and i dont think either hoses have been replace surprisingly but im pretty sure with a long enough pick i can rewach the clip to remove it from the tstat housing

[Evo B]

With 90k I would look into a full flush. Your going to be half way there just to change the hose so might as well. If you do end up doing the lower hose pull the pass side fender liner out. It gives you a ton of access to the radiator side of the hose and makes life 100x easier. I did mine this way

[amb82]

I changed out the o ring on my upper hose. It is reachable with out removing anything but it is very tight. now that my egr coolers are gone it would be a 5 min job.


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[hd02272]

Yea I think I might do the updated upper hose if i can get my big hands in that tight spot and new lower and do the flush can I get away with a regular flush or should I get into the iron remover flushing

[04hdfatboy]

i had about 90,000 miles when i did my flush. I used VC9

[hd02272]

Yea I might as well do a full flush while im there are there specific procedures for this andcc/or tips anyone has for a full flush with the vc9

[04hdfatboy]

i just drained the coolant, filled with the VC9 and distilled water. Drove the truck for about an hour. Dained and flushed with distilled water until the water came out clean.

[hd02272]

Sounds easy enough now after you drained the last time how much concentrated coolant did you add. From my understanding there's still some distilled water in the system so u need to figure out the mixing of that so theres proper 50/50 mix is that true