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Originally Posted by boneheaddoctor
Well These were in ford f-250 and f-350 trucks (powerstrokes), not the big ones. And I know I read about them and the fact that Ford has a class action lawsuit brought about because of there not being any mention in service manuals referencing the nitrate additive for the cooling system that prevents this, the new manuals are supposed to have this. Most cavitation issues were beyond 100,000 miles and out of warranty. If I can remember to look for the links to where i read this info last year I will post them.
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The links I posted
were referring to F-250/350's. IH didn't have a problem with cavitation, simply because coolant filters (with the proper amounts of SCA added in) were and are standard equipment on medium-duty trucks.
If you can find anything backing your claim up, please post it. Without documented evidence behind this, there's no reason whatsoever for someone on the other side of your arguement to believe that point. Not trying to criticize; I really want to see it. The only potential class-action lawsuit I've heard about against Ford is for the 6.0l, because every indication so far shows that it's a lemon.
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And my comments are to the effect I don't see anyone bashing Fords, or Dodges or any other brand for that matter. Only GM vehicles
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Maybe there's a reason for that?
Okay, here's a challenge for you. Find every bad thing you can about the 5.9l Cummins diesel (just the engine, NOT the transmission or the body surrounding it), and post it here, with well-documented evidence for each issue. I'll bet you can't.
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Ford has had far more than its share of automatic transmission issues. So has dodge.
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...and so has GM. There's someone on that Ford site who had a 6.2l that he was otherwise happy with, but went through 7 automatic transmissions (referenced
here). Doesn't seem like a good record to me. Don't get me wrong, though; Ford's E4OD was/is a POS, and Dodge's 4 speed auto was in the same boat. The moral of the story: Truck diesels and overdrive automatics don't mix well.
The Chrysler TF727 and the Ford C-6 held up fairly well behind their respective diesels, but the lack of an overdrive really had a bad inpact on fuel mileage. I've heard that the inherent problem is that the oil pump on most automatic transmissions is driven by the engine, and truck diesels all make their power at low RPM's, when the oil pump is producing less pressure than it would be in the power band of a g@$ engine. The extra power with the low trans fluid pressure can lead to early failures. The Allison used behidn the D_max was the first light-duty auto to address this issue, although IIRC the ALlison has its own set of problems. The Torqushift used behind the 6.0l PSD supposedly also corrected this issue, but the amount of engine problems have overshadowed what tranny problems there may be, so I can't say for sure. I know this, though...any diesel pickup I own will have a manual tranny.