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Honda Recall - 3.5L main bearing problems 1

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enginesrus said:
And what does that get me? I will to the proper outfits.



Topic of wet belts and lasting. Why not go to the ones that are in the trenches dealing with replacing them, and way before they are scheduled to need it.
I enjoy the videos of all the chunks of wet belts ending up in the oil pick up screens.
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For sure. Ford EcoBoost small engines and the 6 cylinder Duramax. The Duramax requires the engine to be removed to replace it as it is at the back. Really a dumb idea. While on the subject - look at Audi engines. About 6 timing chains located at the back of the engine. Who comes up with this crap?
 
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TugboatEng said:
Can you share one such video?
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Sure here you go, and there are plenty more.

The important thing is, why do this ? It becomes a huge gamble to use this as a cam shaft drive system. If you wish to use belts, dry ones are the best, they don't pollute the lubrication system. They are easier to change, and don't require an oil proof seal on the covers.

Here are some requested video's. Can always skip ahead to the good stuff.
I'm impressed with this fellow he seems very good at what he does.
Enjoy.

Good reason not to have wet belts

At 67k miles, this is a good one shows how the belt plugs the pickup screen.

At 109 K miles

66 k miles

at 47k miles

Just had to add this fellow to this. I'm so happy that there are still logical people.
https://www.youtube.com/watch?v=0SASSFjIt5I
 
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SwinnyGG said:
You providing examples of vehicles you own that are old and still function has literally nothing to do with statistics across hundreds of thousands of vehicles and their average lifetimes or the level of service they need to make it to 100k miles and beyond.

Your Bel Air, if it's completely unmodified with the numbers matching engine and trans, is a major outlier.
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. . . and even if it is totally original and runs like a clock, it will have been repaired and reconditioned to within an inch of its life.
 
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The important thing is, why do this ? If you wish to use belts, dry ones are the best, they don't pollute the lubrication system. They are easier to change...
Click to expand...
Bc you dont need to change a wet belt.
 
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enginesrus said:
Sure here you go, and there are plenty more.

The important thing is, why do this ? It becomes a huge gamble to use this as a cam shaft drive system. If you wish to use belts, dry ones are the best, they don't pollute the lubrication system. They are easier to change, and don't require an oil proof seal on the covers.

Here are some requested video's. Can always skip ahead to the good stuff.
I'm impressed with this fellow he seems very good at what he does.
Enjoy.

Good reason not to have wet belts

At 67k miles, this is a good one shows how the belt plugs the pickup screen.

At 109 K miles

66 k miles

at 47k miles

Just had to add this fellow to this. I'm so happy that there are still logical people.
https://www.youtube.com/watch?v=0SASSFjIt5I
Click to expand...


I've watched the first two videos and see engines that failed due to improer oil change intervals. Before I waste anymore time, do you have any examples of engine failures cause by wet belts?
 
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CWB1 said:
Bc you dont need to change a wet belt.
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Not true. They have replacement intervals - look at the Duramax 6 cylinder which requires the tranny to be removed to replace it BTW. Basically fuel economy benefit gained from the diesel will be negated by this service cost.

1747909918567.png
 
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You think we're going to believe anything that article says after the smoke we've had blown up our keisters for decades from the plastic recycling scam?

Pulling used parts off junk cars is hardly recycling. The trouble is that most cars need the same parts. One junk car can only provide enough parts to fix one nearly running car.

Most dead cars do get melted down. Everything except the plastic bits...
 
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TugboatEng said:
I've watched the first two videos and see engines that failed due to improer oil change intervals. Before I waste anymore time, do you have any examples of engine failures cause by wet belts?
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Serious? You can't see that in due time all of those examples would have destroyed the engines? No the failure was the belts on most of them not the whole engine.

Diesels make black oil, oil change intervals? Manufactures say to extend the OCI.

Oh and one of them is a failed engine because of the wet belt, it was to become a full replacement.

Wet belts can not take the chemicals in the used oil or heat, that is the main issue.

There is a reason engineers with a bit of grey matter used gears back in the day. You know as well as I that with gears none of this would be an issue, even with poor maintenance.

How come those tug boat engines aren't all equipped with wet belts sure cheaper to make than a bunch of gears. :LOL:
 
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Wet belts are made of rubber. Can you please be more specific about which types of rubbers wet belts are made from and their chemical/temperature compatibility?

One of our tugboat engines, the dealer swapped a steel fuel line for rubber because the steel fuel line was wearing out.
 
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You know I like my kia sportage. 100k drive train warranty. It's been a reliable vehicle. 75k miles no issues. Ford, Chevy, Chrysler need to step up.
 
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TugboatEng said:
Wet belts are made of rubber. Can you please be more specific about which types of rubbers wet belts are made from and their chemical/temperature compatibility?

One of our tugboat engines, the dealer swapped a steel fuel line for rubber because the steel fuel line was wearing out.
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Sounds like something the insurance company should know about, that is asking for problems in a fire. I would suppose the coast guard has rules about that as well.
 
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Why? The steel line kept getting holes. The rubber line doesn't.

Back to the question, do you know what type of rubber wet belts are made with?
 
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enginesrus said:
I would suppose the coast guard has rules about that as well.
Click to expand...

If the coast guard had regulations against the use of elastomers in fuel lines in boats, there would be no boats

I guess we can add the coast guard to your ongoing list of people you think should pay you because you know how to do their jobs better than they do
 
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For our vessels rubber fuel hoses need to be double clamped and less than 30 inches OR comply with the standards of SAE J1942.

With that said, within the J1942 rules there are different hose material options that will give vastly different life expectancies.
 
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TugboatEng said:
Why? The steel line kept getting holes. The rubber line doesn't.

Back to the question, do you know what type of rubber wet belts are made with?
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Yes the fellow in the last video covers that.

In a fire the rubber line burns up and then comes the fuel.
 
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That's not necessarily true. There are rubber fuel lines that are rated for a minimum of 1 hour of direct flame impingement. Even CPVC plastic can withstand an hour or direct flame impingement.

Wooden structures often resist collapse longer than steel framed structures. Materials that char and don't conduct heat well can maintain their mechanical properties for quite some time while burning. Halogenated materials will self extinguish once the flame is removed.

Please be specific. What type of rubber are these failing belts made out of. This matters.
 
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TugboatEng said:
Please be specific. What type of rubber are these failing belts made out of. This matters.
Click to expand...

AI response below. I imagine the issue is that they work fine in a laboratory but when exposed for extended periods in highly contaminated, neglected engine oil, they don't survive well. Honestly, look at the timing chains in Ford Ecoshit engines. They don't last very long either unless you change the oil a lot more often than recommended. I'll take the engine and tranny of my 2004 Tundra over just about anything,. There are literally no known deficiencies except a dry timing belt every 100k.



Wet timing belts are designed for operation within the engine's oil system and are typically made of materials like rubber, nitrile, neoprene, or polyurethane, often with reinforcing cords for structural integrity. They are coated with oil-resistant materials to improve durability and longevity. The specific composition can vary between manufacturers and models.

A Guide to Wet Timing Belts for Ford EcoBoost 1L Engines ...
Here's a more detailed breakdown:
  • Rubber:
    While some wet belts are made from rubber, it's important to note that rubber can degrade in the presence of oil, especially if it's not specifically designed for wet environments.

  • Nitrile, Neoprene, and Polyurethane:
    These are common elastomers used in wet timing belts, offering better resistance to oil and heat compared to standard rubber.

  • Reinforcing Cords:
    Belts are reinforced with cords, often made of materials like glass fiber, to maintain tension and prevent stretching.

  • Oil-Resistant Coatings:
    Wet belts often have an oil-resistant coating to further protect the belt and ensure a longer lifespan.

  • Hydrogenated Nitrile Rubber (HNBR):
    Some manufacturers are now using HNBR, a specific type of nitrile rubber, which is highly resistant to oil and heat, according to www.easyfixcarrepair.com.
 
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In a fire the rubber line burns up and then comes the fuel.
Click to expand...
You wont find many fuel systems without hoses, nor many made in recent decades without redundant safety shutoffs. Tugs are also predominantly large diesels, so there's little risk of fire.

look at the timing chains in Ford Ecoshit engines.
Click to expand...
A minor issue on a few years of one variant, of one engine, in one of the most-produced engine families, known for reliability in everything from 3rd world cheapies to 1st world supercars.
 
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