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Old 02-06-2016, 06:49 AM   #15
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tmw188, A Blackstone analysis provide the elements in the used oil/coolant sample that give wear status. These element concentrations provide information as the the mechanical/chemical components that deteriorate as they wear. The first oil sample will provide a base line of the status of the components condition. Subsequent samples from oil/coolant provide a trend giving a rate of deterioration. Blackstone use guidelines of acceptable historical ranges for each element and gives information as to the status of each.

They also give a subjective review of the general condition of the sample.

This is a decisions making tool for understanding potential problems and provide a time to make repairs while at home and not on the road.

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Old 02-06-2016, 09:15 AM   #16
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tmw188, A Blackstone analysis provide the elements in the used oil/coolant sample that give wear status. These element concentrations provide information as the the mechanical/chemical components that deteriorate as they wear. The first oil sample will provide a base line of the status of the components condition. Subsequent samples from oil/coolant provide a trend giving a rate of deterioration. Blackstone use guidelines of acceptable historical ranges for each element and gives information as to the status of each.

They also give a subjective review of the general condition of the sample.

This is a decisions making tool for understanding potential problems and provide a time to make repairs while at home and not on the road.

Safe Travels and THW JOY IS IN THE RIDE

That was great explanation one of the best I've heard. I sort of understood it before but always thought ok what do you do with the information after you get it, and if it's bad news like what do you do with it. I'm a new owner of a low milage 8.1 and as it being new to me I have been introduced to a lot of this and that, upgrades for shocks and steering control and the like. I have a lot of records from the previous owner but haven't seen anything on a transmission service or coolant service which I want to have done and I'm good with that. I don't want to do an analysis before I service it because that would seem like a waste of money, maybe not. I also want to start enjoying it and not get caught up with over analyzing everything? As we all know the initial up front costs after purchase are big when just starting this lifestyle. I want to do a coolant flush because it appeared it could use one based on the overflow tank and a tranny flush because I didn't see any record of that being done. So anyway just curious.


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Old 02-06-2016, 09:28 AM   #17
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tmw188, If I understand you correctly; You SHOULD have samples taken BEFORE you service the fluids! That will tell you the condition of the wear items to start. Then monitor any changes on the next fluid changes. That is not a waste of money!

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Old 02-06-2016, 09:44 AM   #18
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tmw188, If I understand you correctly; You SHOULD have samples taken BEFORE you service the fluids! That will tell you the condition of the wear items to start. Then monitor any changes on the next fluid changes. That is not a waste of money!

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I understand that I do, I'm just curious how many find it necessary. It's just a good preventative step to do so I guess. I can't see doing this with every fluid change? Just wanted to get some opinions and yours is valued.


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Old 02-06-2016, 10:23 AM   #19
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I understand that I do, I'm just curious how many find it necessary. It's just a good preventative step to do so I guess. I can't see doing this with every fluid change? Just wanted to get some opinions and yours is valued.


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Most of us live by testing. $70 per year is cheap and lets me know my trans/motor status. I like knowing for sure. No surprises
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Old 02-08-2016, 12:29 AM   #20
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[QUOTE=tmw188;2929944] I want to do a coolant flush because it appeared it could use one based on the overflow tank and a tranny flush because I didn't see any record of that being done. So anyway just curious.


Tom don't waste your money on a Tranny flush. The Allison has a spin on filter. Just have the fluid changed. You only leave about 2 to 3 qts in the torque converter and it will be fine.That's what an Allison Tech told me when I had my W-20 Chassis. Always use Allison approved fluids. Here's a link:

Approved Fluids
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Old 02-08-2016, 05:52 AM   #21
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[QUOTE=DD788Snipe;2932149]
Quote:
Originally Posted by tmw188 View Post
I want to do a coolant flush because it appeared it could use one based on the overflow tank and a tranny flush because I didn't see any record of that being done. So anyway just curious.


Tom don't waste your money on a Tranny flush. The Allison has a spin on filter. Just have the fluid changed. You only leave about 2 to 3 qts in the torque converter and it will be fine.That's what an Allison Tech told me when I had my W-20 Chassis. Always use Allison approved fluids. Here's a link:

Approved Fluids

Thanks Craig I miss stated that, I meant a transmission service only not a flush. No matter how often I read thru my posts I still miss things. Yes on the proper fluid. I assume it's as easy as the oil change and filter?


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Old 02-08-2016, 08:02 AM   #22
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New Motorhome buyers

If your tranny fluid tests good you only need to change the filter. Tranny flush is not recommended.
Save your money. Be sure and confident.
See this thread
Former Allison Transmission Fluids Engineer
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Old 02-08-2016, 12:11 PM   #23
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If your tranny fluid tests good you only need to change the filter. Tranny flush is not recommended.
Save your money. Be sure and confident.
See this thread
Former Allison Transmission Fluids Engineer

Yes I have followed the posts and talked with Tom.


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Old 02-08-2016, 12:34 PM   #24
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Concerning lab testing prior to changing fluids, you can look at it from two directions. Some coach owners will use the results as historical data and do the fluid change regardless of the results. Others will use the results to determine if a fluid change is even necessary. I'm in both groups concerning my gasoline powered coach. Engine oil gets changed at 5000 miles with a sample sent in when the oil is drained but also at that time I'll send in a transmission sample to determine if service is need. Spending $30 to save $300 for another day can be a good thing.
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Old 02-09-2016, 12:57 AM   #25
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[QUOTE=tmw188;2932220]
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Thanks Craig I miss stated that, I meant a transmission service only not a flush. No matter how often I read thru my posts I still miss things. Yes on the proper fluid. I assume it's as easy as the oil change and filter?


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Yes it is. Unless the PO changed the fluid and he documented it I would do it Tom. If he did I'd just change the filter.
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Old 02-09-2016, 01:23 AM   #26
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Have samples of all fluid (Engine oil, trans.oil, differential oil, coolant fluid) for the chassis and generator taken and send to Blackstone Labs (see website below).You can request a test kit from Blackstone Labs in there header. They will analyse all samples and provide a status report giving results of many critical problem chemical indicators. They will critique the condition of the oils.

Blackstone Labs

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Even that may not catch a catastrophic failure that's about to happen. It didn't help us at all when we bought the Magna.
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Old 02-10-2016, 11:54 PM   #27
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Well nothing is for certain but it doesn't hurt to take precautions.
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