It broke 5 hours into ownership...

Topic: It broke 5 hours into ownership... (Read 3618 times) previous topic - next topic

Re: It broke 5 hours into ownership...

Reply #25 – October 08, 2017, 06:09:16 pm

No flushing to be done.....best to find another short or complete...I feel the pain...

Re: It broke 5 hours into ownership...

Reply #26 – October 08, 2017, 06:14:54 pm

"You should have no trouble finding parts or a reman engine. Doing the engine swap is a bear. An inframe overhaul if the engine is truly gone is the fastest, cheapest way out and is not difficult." That wasn't our experience in January. These engines aren't all that common anymore, and parts are therefore more difficult (and expensive) to find. Yes, there are marine and military versions of the 6V92, but those aren't what we have in our coaches.

An in-frame overhaul takes some time, but is (apparently) relatively straightforward. The biggest challenge will be finding someone who has experience on these engines. We were fortunate to find a mechanic who actually knows these engines AND was teaching his son.

Wasn't cheap or quick, but the improvement we saw with the new engine was HUGE.

Re: It broke 5 hours into ownership...

Reply #27 – October 08, 2017, 06:29:32 pm

I know he came from Kent, WA (sea level) and must have crossed over Snoqualmie Pass (3,005 ft). To most of us, it would not be a big deal, but that is a steep climb eastbound. With the weight of a toad, it could have put that poor coach over the edge,heatwise, especially if no attention was paid to the gauges. The PO should have been more helpfull on driving these buggers.

Re: It broke 5 hours into ownership...

Reply #28 – October 08, 2017, 07:19:36 pm

I've been around lots of diesels growing up and I watch my gauges pretty religiously. Water temp got up to about 220-230 over the pass. Turbo compressor wheel looks fine, no nicks, dings, gouges or anything. It will get a pyro after it gets home. It is at B&B truck repair in Spokane. I felt pretty confident with them after talking to them and some other shops who had delt with them. I don't like to let others work on my stuff, almost always do it myself but I didn't have much of a choice here. All my tools were in the hangar in Wichita. I'm not excited to see what the bill comes out to. Especially after buying $3100 in tires and taking 2 weeks unpaid from work. I always keep a cushion in the checking account for emergencies such as this so it's not going to kill me but I sure am going to have to work a lot of overtime to get caught back up lol.

It's part of it. Machine$ break. Excu$e me while I go throw up now.

I'll keep ya posted as I figure out what's going on.

Re: It broke 5 hours into ownership...

Reply #29 – October 08, 2017, 07:29:08 pm

My 2 cents. If I were in your shoes. I would pull the covers on the side of the block and look at the intake ports on the cylinders,You should be able to see if and how much trash and damage has been done to the cylinders. If it isn't too too bad, I would clean intercooler,replace blower,do a full oil change,flush oil lines etc. Check entire air intake system and turbo for anything it could have ingested. Get it running and get it home where you can fix it at your convenience. I look at it, even if it doesn't make it all the way home,That's that many less miles I have to pay the tow truck! You'd be amazed how much crap a engine can ingest and still perform well. It looks like the after cooler caught a lot of the big chunks.jmo good luck whatever you do

Re: It broke 5 hours into ownership...

Reply #30 – October 08, 2017, 07:42:49 pm

Good chance that the cooler caught most of it. Compression check will show ring damage.

Re: It broke 5 hours into ownership...

Reply #31 – October 08, 2017, 07:54:23 pm

You are not alone. Given you'll be there for a while, a box of fresh doughnuts for the crew in the morning is a plus!

B&B has a good rep.

Re: It broke 5 hours into ownership...

Reply #32 – October 08, 2017, 08:17:48 pm

Quote from: mike leary – October 08, 2017, 04:02:38 pm

I'm a big fan of pryrometers and boost gauges, but I'm not sure if those could had even helped. I wonder if he and Dad are drinking men?

Well if they aren't drinking men they just might have started and are tipping back a tall toad about now.

Re: It broke 5 hours into ownership...

Reply #33 – October 08, 2017, 08:51:14 pm

Where it me, replace the blower, check the turbo and air intake system and flush the oil system. Fire it up and see what happens you got nothing to loose. Just because one piece breaks doesn't mean the whole engine is trashed. Done lots of one piston rod ring overhauls on chev motors due to bad head gaskets causing coolant leaks.

Re: It broke 5 hours into ownership...

Reply #34 – October 11, 2017, 03:02:54 pm

Just a thought, I had a 50 foot Chris Craft Commander with twin 8V92's. Marine of course. Issue I had was when I took delivery both engines were running real rough and both needed servicing. Needless to say the local diesel guys wanted big BB's (Boat Bucks) to even look at them let alone do any type of servicing. While I was scratching my head and looking at these two engines in my engine compartment that were both as big as small cars the dock mate from down the way wondered down with his son to say hello. Long story short, the son just got out of the Army and what do you suppose the army runs in a lot of it's rolling stock? (older ones that are still rambling around in the National Guard Armories). The son's MOS was "diesel repair". so it cost me the price of the oil, filters, and 12 pack for the weekend and both of those babies were purring like kittens when he was done. Moral of the story is call the Spokane National Guard and start asking some questions. Most of the equipment those units have are Army hand me downs and someone is repairing them. Just saying......and yes, I thanked him for his service.

Re: It broke 5 hours into ownership...

Reply #35 – October 11, 2017, 05:46:46 pm

Have you cut open the oil filter to check for metal contamination. If there is metal in the filter, how much and what type. I don't know on Detroit Diesels what the manufactures limits are, but on aircraft engines under 1/4 teaspoon you can replace filter and run for 20-30 minutes and check again. Depending on how many pieces you find determines how often you need to check again.

Re: It broke 5 hours into ownership...

Reply #36 – October 11, 2017, 08:23:26 pm

Guess I have a different perspective. The metal (and a lot of it) went through the inter-cooler (or at least the smaller pieces did) and into the cylinders. I have trouble believing that the pistons/cylinders/rings were not harmed. An in-frame is not that expensive, but if run with metal in it, it WILL be more costly.

Re: It broke 5 hours into ownership...

Reply #37 – October 13, 2017, 01:55:01 pm

Still waiting on parts and pieces and whatnot. Picking up 24 hours of overtime this weekend and probably Every weekend till the end of the year. Detroit wants $5000 for a new aftercooler! I'm checking with some of my big truck mechanics back in Arkansas for leads on parts. Think I might just have everything I need sitting in a shop in my hometown of all places.

Re: It broke 5 hours into ownership...

Reply #38 – October 13, 2017, 03:04:02 pm

You should not need a new aftercooler. Just clean the one you have. About $5000 on ebay buys a remanufactured engine. You might check all your induction components as you don't want a repeat. Contact a blower shop that specializes in the Detroit roots blowers and ask them what they think might be the cause of the failure. Your photos will help them. Mercedes-Detroit charges an arm and a leg for everything unless you are in the trade. We got up to 90% off list when I was in the business. Between MTU, BMW, Siemans and Tognum AG, nothing Detroit Diesel or Rolls Royce AG makes is going to be cheap.

Remember, no one even close to the trade pays anywhere close to list price.

Pierce

Re: It broke 5 hours into ownership...

Reply #39 – October 13, 2017, 05:49:02 pm

Agree with Brett! Do an inframe. Cheap and you will never have to wonder what problems may occur. You have a big moving apartment that you don't want to have break down in the middle of nowhere.

Here is an excellent video for how to overhaul a Detroit blower. Yours will need more parts than this one but they are super easy to work on:
https://www.youtube.com/watch?v=3ZVgxY0yir8

Pierce

Re: It broke 5 hours into ownership...

Reply #40 – October 13, 2017, 06:22:45 pm

Quote from: RvTrvlr – October 08, 2017, 10:48:56 am

After ingesting all that metal, an ebay engine may be your best bet unless you want to tear into it yourself. Guaranteed metal made it into the engine and would bet on damage. Thats a terrible failure, a new one to me. Sorry!

Quote from: wolfe10 – October 11, 2017, 08:23:26 pm

Guess I have a different perspective. The metal (and a lot of it) went through the inter-cooler (or at least the smaller pieces did) and into the cylinders. I have trouble believing that the pistons/cylinders/rings were not harmed. An in-frame is not that expensive, but if run with metal in it, it WILL be more costly.

How did the metal get past the air-cooler? It's very fine.

Re: It broke 5 hours into ownership...

Reply #41 – October 13, 2017, 06:49:51 pm

When the vanes/rotors first start to touch, they put out a fine dust that passes through the aftercooler and some will collect in the "fire" ring top groove. This will stop the ring from expanding/contracting causing it to break.

As far as the $5000 some shops might tell you the aftercooler costs, here is one for $757.87 at: Detroit Diesel 92 Series Aftercooler | 6V92 | 8V92

For normal blower overhaul, the cost is $228: Detroit Diesel 92 Series Blower Repair Kit | 6V92 | 8V92

Unless the aftercooler is leaking, just spend a few minutes cleaning it. No big deal.

Someone is ALWAYS looking for a newbie to clean his/her bank account. If you don't do the research and learn to speak the lingo, you're just asking to get taken.

Pierce

Re: It broke 5 hours into ownership...

Reply #42 – October 13, 2017, 08:32:09 pm

Someone is ALWAYS looking for a newbie to clean his/her bank account. If you don't do the research and learn to speak the lingo, you're just asking to get taken
Hey Boo Boo, You Have to Be Smarter than the Average Bear!

Re: It broke 5 hours into ownership...

Reply #43 – October 14, 2017, 11:51:09 am

Quote from: stump – October 13, 2017, 08:32:09 pm

Hey Boo Boo, You Have to Be Smarter than the Average Bear!

Krush,

You seem to have forgotten that at one time, you had zero mechanical knowledge. I remember when you were seeking advice on changing your rear end ratio in your coach. Our forum welcomes all members regardless of their mechanical or DIY background. While some of us may have worked under a shade tree, many others come from diverse vocations such as insurance, investments, medical, teaching and hundreds of other professions. What we all share is the love of travel and the outdoors. When trouble arises, members with expertise in the related area chime in to offer advice. I see tire prices being mentioned all the time here as well as LED conversions, air bag installations and hundreds of other subjects. When I saw the aftercooler quoted at $5000, I felt a obligation to post a link to a site with a much more attractive price as well as offering my opinion. Some members will have a yearly budget of several thousand dollars. Others have saved for years to purchase a Foretravel coach and if like me, check fuel prices in stops ahead for the most economical choice. Making pricing alternatives on the forum available seems to fit in well with the reason for our forum's existence.

I think ALL of our members are quite a bit smarter than the "average bear."

By the way, here is a brand new 92 series blower/supercharger for $349 delivered. Check part number. DETROIT DIESEL SUPERCHARGER CV92 #5101528 | eBay

Pierce

Re: It broke 5 hours into ownership...

Reply #44 – October 14, 2017, 09:41:02 pm

Ebay is always my 1st stop. Close out's, NOS, roll ends, buy outs, or just something someone has laying around they don't need.. Always a good deal. Pay Pal protects you, no matter what.

Re: It broke 5 hours into ownership...

Reply #45 – October 14, 2017, 10:29:16 pm

Quote from: Pierce & Gaylie Stewart – October 14, 2017, 11:51:09 am

Krush,

You seem to have forgotten that at one time, you had zero mechanical knowledge. I remember when you were seeking advice on changing your rear end ratio in your coach. ................I think ALL of our members are quite a bit smarter than the "average bear."

And I would expert all our members to be able to read and respond correctly. Where did I mention bears in my post?

And for the record, I never sought advice on changing my rear end gears. I put my posts up to document my analysis and results. 30,000 miles later, and it's the best thing I have done to my RV. Some of the "advice" on this forum regarding my gear change was incorrect.

Re: It broke 5 hours into ownership...

Reply #46 – October 15, 2017, 08:32:39 am

Hey Boo Boo, You Have to Be Smarter than the Average Bear!

This was intended to be a funny. Lighten Up! it was not directed at anyone. Geeesh sometimes ya'll are soooooo serious.Ill save my lighthearted posts for Facebook from now on..

Re: It broke 5 hours into ownership...

Reply #47 – October 15, 2017, 08:44:32 am

Krush was just a innocent bystander - he got caught in the crossfire.

Stump, IMHO, you should continue making your "lighthearted" posts here...I don't do Facebook.

Re: It broke 5 hours into ownership...

Reply #48 – October 15, 2017, 08:56:57 am

Nothing wrong with a little humor to make us this older group smile.
Jim

2002 U320.

Re: It broke 5 hours into ownership...

Reply #49 – October 15, 2017, 09:37:17 am

Stump,

The votes are in. Don't change!

Trent

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