2008 coolant leak sometimes - Ford Powerstroke Diesel Forum
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post #1 of 16 Old 02-03-2014, 06:01 AM Thread Starter
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2008 coolant leak sometimes

I have a leak that looks like it comes down driver side of radiator but doesn't leak all the time made a 240 mile trip and leaked pretty good filled coolant back up and came back same conditions and didn't leak a drop
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post #2 of 16 Old 02-03-2014, 08:15 AM
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I have what was a mystery leak which was intermittent at the center of the truck only when parked for several days. I think I have it narrowed down to an upper radiator hose which has not been updated. I am picking up a new hose this week.
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post #3 of 16 Old 02-03-2014, 11:08 AM
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Make sure both upper and lower hoses have the white ends. If they don't that's probably where its leaking.

08 F350 cc/sb 4X4
h&s minimaxx, 5" flo pro, 4" down pipe, no limit cold air intake, dirty diesel EGR delete with intake elbow, 6.0 exhaust manifolds, custom up pipes, ported intake manifold, Apex 71mm LP turbo, Rudy's cold side pipe, diesel site coolant and transmission filter, diesel site intercooler boots, ccv mod, bilstein shocks, gogo dd solenoid, HID lights, Airdog II 165, PMF traction bars, PMF drag link, moshimoto aluminum radiator
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post #4 of 16 Old 02-03-2014, 01:53 PM Thread Starter
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Both hoses have been updated
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post #5 of 16 Old 02-03-2014, 03:07 PM
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Then its probably your radiator.

08 F350 cc/sb 4X4
h&s minimaxx, 5" flo pro, 4" down pipe, no limit cold air intake, dirty diesel EGR delete with intake elbow, 6.0 exhaust manifolds, custom up pipes, ported intake manifold, Apex 71mm LP turbo, Rudy's cold side pipe, diesel site coolant and transmission filter, diesel site intercooler boots, ccv mod, bilstein shocks, gogo dd solenoid, HID lights, Airdog II 165, PMF traction bars, PMF drag link, moshimoto aluminum radiator
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post #6 of 16 Old 02-03-2014, 03:08 PM Thread Starter
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But if it is radiator shouldn't it leak all the time not just random time
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post #7 of 16 Old 02-03-2014, 03:12 PM
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I just replaced my radiator about a week ago. It was leaking from the drivers side corner but it would not leak all the time.

08 F350 cc/sb 4X4
h&s minimaxx, 5" flo pro, 4" down pipe, no limit cold air intake, dirty diesel EGR delete with intake elbow, 6.0 exhaust manifolds, custom up pipes, ported intake manifold, Apex 71mm LP turbo, Rudy's cold side pipe, diesel site coolant and transmission filter, diesel site intercooler boots, ccv mod, bilstein shocks, gogo dd solenoid, HID lights, Airdog II 165, PMF traction bars, PMF drag link, moshimoto aluminum radiator
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Last edited by 04hdfatboy; 03-10-2014 at 01:34 PM.
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post #8 of 16 Old 02-03-2014, 03:28 PM
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Quote:
Originally Posted by blkdout1000 View Post
Both hoses have been updated
Were both lower hoses updated?
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post #9 of 16 Old 02-03-2014, 03:30 PM
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Quote:
Originally Posted by 04hdfatboy View Post
Make sure both upper and lower hoses have the white ends. If they don't that's probably where its leaking.
Did ford update both(a hose and b hose) the lower hose designs?
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post #10 of 16 Old 02-03-2014, 03:33 PM
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Quote:
Originally Posted by cjglenn View Post
Did ford update both(a hose and b hose) the lower hose designs?
As far as I know the only lower hose they updated was AC3Z-8286-A. IIRC when I got mine that was the one with the white end.

08 F350 cc/sb 4X4
h&s minimaxx, 5" flo pro, 4" down pipe, no limit cold air intake, dirty diesel EGR delete with intake elbow, 6.0 exhaust manifolds, custom up pipes, ported intake manifold, Apex 71mm LP turbo, Rudy's cold side pipe, diesel site coolant and transmission filter, diesel site intercooler boots, ccv mod, bilstein shocks, gogo dd solenoid, HID lights, Airdog II 165, PMF traction bars, PMF drag link, moshimoto aluminum radiator
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