Radiator cap keeps going bad!!!! - Ford Powerstroke Diesel Forum
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post #1 of 27 Old 11-21-2012, 06:03 PM Thread Starter
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Radiator cap keeps going bad!!!!

I have a 07 6.0 and radiator cap goes once a week atleast. I just did the Egr delete and new oil cooler while I was there bc it was blowing water out degas bottle well come to find out of was thermostat!! I've bought auto zone caps Oriellys and napa? Thay all keep goin bed Is there something causing it or just bad caps and input would be great thanks!!!
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post #2 of 27 Old 11-21-2012, 06:06 PM
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Buy a Ford cap and see what happens. If it does it again and you've done oil cooler and EGR delete, then I'd say you have a bigger issue.

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post #3 of 27 Old 11-21-2012, 07:17 PM
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You are keeping your coolant below the min. line on the bottle?


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post #4 of 27 Old 11-21-2012, 08:40 PM Thread Starter
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Well I try keeping the coolant below the min line win I started having all these issues around 55000 miles I just would put some coolant in *** neede win running then win u turn truck off to let it cool it would be full then Ofcourse win I would pull camper it would blow it out I would add more didn't think of any of these issues then bc I didn't no bout the 6.0 7 months!!! I had this stuff done last week and I drained everything while it was running and put straight antifreeze in it?? Well next morning the coolant level was at the seem where molded together and it blew a bunch out!!! Next morning I looked and it was just under min line so I added little to it and its been fine but I gota pull camper home and I'll let u guys no if it blows any out on my 5 hour drive home? But if u can think of anything let me no maybe I over filled it a lot I don't still learning lol!! Thanks guys
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post #5 of 27 Old 11-21-2012, 10:02 PM
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The degas bottle should be filled to the MIN line on the bottle when cold.

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post #6 of 27 Old 11-22-2012, 12:16 AM Thread Starter
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Ok thanks lesson learn on that?? But what bout the caps,think I'm just getting bad ones or could it have puked water out much the caps keep goin bad!possiblity?? Win I get I'm I'll try ford cap? See what that does for me. Thanks for input.
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post #7 of 27 Old 11-23-2012, 07:26 PM
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sounds like head gaskets to me

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post #8 of 27 Old 11-23-2012, 11:57 PM Thread Starter
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How would head gaskets make cap go back? You just throwing that out there for a possibility!! I really hope not,last thing I wana here right now lol!!!!
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post #9 of 27 Old 11-24-2012, 01:49 AM Thread Starter
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Another question? I put straight coolant in my truck after I deleted Egr cooler? Is it supposed to have 50/50 or is straight coolant fine!! I talk to a guy he said just out straight coolant in these trucks don't no what to believe on that one!!
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post #10 of 27 Old 11-24-2012, 03:17 AM
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Please read this.... Troubleshooting coolant loss (white residue around cooling system components(degas))

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