Blown motor / broken flex plate 90K miles? - Ford Powerstroke Diesel Forum
 
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post #1 of 7 Old 05-01-2012, 04:59 PM Thread Starter
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Blown motor / broken flex plate 90K miles?

My 2008 F250 6.4 broke while towing an open trailer and couple of race cars (about 6500 lbs) a week ago with 90K miles. It was serviced regularly by two race shops and was full of oil when it failed. Thrust bearings, brass and lots of junk in the oil, in addition to broken flex plate.

I've now heard that these problems are common on the 6.4. I'm thinking about selling the truck after the motor is rebuilt because I don't want to keep it out of warranty. I hate the way the Dodge Ram looks but the Cummins is supposed to be reliable, according to a few fleet mechanics I've talked with.

I wish Ford still offered the V-10 but I guess I'm out of luck there. Any advice?
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post #2 of 7 Old 05-01-2012, 07:00 PM
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I wouldnt say its common problem theres lots of 6.4 with high trouble free miles you could buy a cummins and the same thing happens...anyways sorry about your luck i hope it all works out for you

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post #3 of 7 Old 05-02-2012, 05:26 AM
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was the truck stock? What caused the blown motor?

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 7 Old 05-02-2012, 06:37 AM Thread Starter
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Cowles Ford in Woodbridge, VA has the truck now and is just starting to get into it. The truck was bone stock. I had the diagnostics software upgrade (and a full diesel check-out) done just before the recall program expired and about 500 miles before the failure, fortunately! I bought the truck used with 43K miles, and used it mainly for commuting with about 10 racing trips a year, hauling the trailer.

I'll post when I learn something more...
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post #5 of 7 Old 05-08-2012, 09:52 AM Thread Starter
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Antifreeze in the oil

Initial analysis was coolant in the oil. They are going to do a tear down next. The coolant gauge and oil level were all normal before it failed, so it will be interesting to see how it got there.
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post #6 of 7 Old 05-08-2012, 10:30 AM
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Cavitation in the water pump most likely. That can happen with high miles on stock ford gold coolant.
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post #7 of 7 Old 05-08-2012, 11:07 AM
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Quote:
Originally Posted by Moto2four View Post
Cavitation in the water pump most likely. That can happen with high miles on stock ford gold coolant.
Yup thats probably what happened.

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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