7.3 Godzilla catastrophic failure
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7.3 Godzilla catastrophic failure
I have a 2021 motorhome with the Ford 7.3 v8. It only has 2600 miles on it. About two weeks ago, it lost all power at highway speed and left me on the side of I 95 for 5 hours. Two dealers have attempted to fix it and I was just told the engine has no compression and it's termed a "catastrophic failure" of the engine. Anybody have an experience like this? Ford want the dealer to dissect the engine to determine what failed. Then they will fix or replace. It's been 18 days of nothing happening...frustrated.
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Jun 22, 2021, 02:22 PM
Cargo Master
Joined: Mar 2004
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From: CA
At what age does the design become acceptable?
Logistics Pro
Joined: Dec 2003
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From: Foothills of NC
Did they say what the "catastrophic failure" was? With no compression, that should be easy to find , as it's either both heads, all cylinders, or timing failure. There should be bore scope pictures for Ford to look at, and you too.
If the tech has pictures of what failed, Ford should have an engine on the way immediately. I'm sure Ford wants to be 100% sure the engine can't be fixed/patched, back together before replacing.
Either way, no excuse for dragging this out more than a day or two.
If the tech has pictures of what failed, Ford should have an engine on the way immediately. I'm sure Ford wants to be 100% sure the engine can't be fixed/patched, back together before replacing.
Either way, no excuse for dragging this out more than a day or two.
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They did tell me no compression at all and that the motor was seized. Service manager mentioned the potential of timing as a cause. It's just been a grind to get any answers and, of course, the supply of parts being backed up is already being used as an excuse for the delay in getting it back to me.
Fleet Mechanic
Joined: Feb 2002
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From: Tulare U.S.A.
When it failed could you crank the engine over, I don't mean start it I mean would it roll over? With all the vehicles waiting on chips you would think Ford would have plenty of parts laying around.
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Funny you ask. They did approve a teardown, but the service mgr at the dealer talked them into forgoing it due to low miles. Now Ford has agreed to send a new long block.
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Logistics Pro
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Cargo Master
Joined: Mar 2004
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From: CA
Unfortunately, this can happen with any engine. Had a new truck crap an engine at 4k miles....it really pisses you off, as you expect it to be flawless and provide hundreds of thousands of worry-free miles.
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Mine failed at 428 miles - didn't seize, but CEL came on and lost all power. Apparently dropped a couple of lifters. Ford sent a complete engine assembly in 4 days. No tear-down. Basically had to beat any info out of the diesel tech. Apparently, these failures, and the reasons behind them, are kept on the down low. Dealer's response was "It failed and Ford is replacing it under warranty" and there was nothing else. That was 7,000 miles ago. Took it in for maintenance 2 weeks ago and had them check a "clunk" - it turns out that one transmission mount had ZERO nuts on it - and it's partner mount on the other side only had one nut on it. Add to the mix that the truck has had electrical gremlins since day one and that the 10R140 recall is going to have them remove the transmission and replace the number 1 planetary gear assembly... well, I've had enough of this bad one - just made a deal on a Powerstroke because I just don't trust it.
