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Old 11-27-2012, 07:55 PM   eBay Motors  #1 (permalink)
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First oil change

2006 LBZ

It is time for an oil change.

The previous owner informed me that he had been using synthetic oil. I believe he had the dealer doing the maintenance on the vehicle.

Is it common to use synthetic oil in a diesel engine?
Is it worth the extra money?

Any other suggestions or points I should be aware of before I tackle the oil change?
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Old 11-27-2012, 08:14 PM   eBay Motors  #2 (permalink)
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alot of guys are using synthetic oil. it can last around 10k - 15k miles.
i prefer regular oil because i like to change around 4-5k miles anyhow so synthetic would be a big waste of money.
there are a ton of good threads with lots of info if you search around for a few mins.
as far as the oil change its pretty strait forward.10 qts... one thing ive noticed is try to park uphill a little to get as most of the old oil out as possible that way when you put new oil in it looks clean for a few days longer lol
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Old 11-27-2012, 08:17 PM   eBay Motors  #3 (permalink)
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Yes it's common, no, it's not neccisary, but it does extend your drain intervals from five k to ten k.

My suggestion is don't cheap out in regular maintenance, just do it faithfully and she will be good, also, get a good oil filter wrench, seriously, I fought my oil filter for a week, and it wasn't my first rodeo either.
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Old 11-27-2012, 08:46 PM   eBay Motors  #4 (permalink)
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I assume you use 5W40?

I am changing the oil based on the dash component stating that I have zero percent oil life.

What is the recommended interval?
What does this dash notification equate to? x number of hours? x number of miles?
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Old 11-27-2012, 09:14 PM   eBay Motors  #5 (permalink)
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Quote:
Originally Posted by s4bill View Post
I assume you use 5W40?

I am changing the oil based on the dash component stating that I have zero percent oil life.

What is the recommended interval?
What does this dash notification equate to? x number of hours? x number of miles?
It has a formula based on engine hours, starts, idle time, rpms and then it decides that it reduces oil life based on those and more. The oil minder tends to go off approx 7500 miles. I do 15k mile oil changes using Amsoil filters and oil. This makes my maint program very easy because I do my fuel filter and Allison spin-on at the same time. That saves me money over 5k mile changes that I used to do with conventional oil. The recommended interval is when the oil minder goes off.

Many people use mileage to govern their changes and it seems to be popular to change around 5k with conventional oils and 10-15 with synthetics. If you decide to use synthetics don't hesitate to give me a call and let me tall you about our DF member special for Amsoil. If you need any help with a maint schedule or recommendations you do not have to be buying from us to ask questions we are here to help!
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Old 11-27-2012, 11:35 PM   eBay Motors  #6 (permalink)
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If you want the best protection get synthetic, if you want frequent drains with less protection get conventional.
This time of year is when a synthetic makes a big difference in oil flow at startup and it also makes for easier cranking with a quicker Startup.




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Old 11-28-2012, 03:23 AM   eBay Motors  #7 (permalink)
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Synthetic is slicker than snot. The changes are 10 to 15,000 miles its a better than using conventional oil and better protection.
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Old 11-28-2012, 03:28 AM   eBay Motors  #8 (permalink)
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Amsoil makes a synthetic without the extended intervals if you want the benefits of synthetic, but are more comfortable with 5k interval changes.
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Old 11-28-2012, 04:31 AM   eBay Motors  #9 (permalink)
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Once a diesel motor is run on synthetic it needs to stay on synthetic. The decision has been made for you.
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Old 11-28-2012, 09:36 AM   eBay Motors  #10 (permalink)
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Quote:
Originally Posted by andy-stevenson View Post
Amsoil makes a synthetic without the extended intervals if you want the benefits of synthetic, but are more comfortable with 5k interval changes.
This is correct and its called OE (Original Equipment) oil and it is rated for the MFG recommended oil change interval up to 10k miles. It comes in 10W-30 and 15W-40 weights. It costs less due to the additive package being less than the 25k mile oil. It is a CJ-4 rated oil so it may be used on newer DPF equipped trucks and is backwards compatible for older CI-4 trucks such as the 01-2007 LBZ trucks. We stock this oil on the shelf so if you have any questions or are interested in the DF member Amsoil special we have PM us or call.

OED 15W-40

OEC 10W-30
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