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post #21 of 43 (permalink) Old 04-11-2017, 06:20 AM Thread Starter
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Booked in for the 18th... earliest I could get. Panic over. Well, for me (not that I was panicking at all - it's just a car)... some of you do seem to have your knickers in a twist, though. I stress once again - just in case you didn't get it - the car's smarts is only now telling me that an oil change is required - it knows what it needs - everything is designed with safety margins built-in. You certainly don't just stick to a rigid immutable 10,000 or 20,000 miles done (unless you're some kind of robot) that would be foolish - driving style obviously affects how this goes.

You're probably doing it too frequently... good for you. ;-)
P.S. - my message is all smilies - just in case.

Cheers, Hippo
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post #22 of 43 (permalink) Old 04-11-2017, 07:40 AM
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In general the "automatic oil change indicator system" is a guideline that is not to be exceeded. In the US manual there is also a 12/10k limit not to be exceeded that over rides the indicator system.
Those are "gas" systems.
I have absolutely no idea of the limits of a diesel indicator system or the maximum they can run w/o an oil change.
FCA has determined that this "oil change indicator system" works and who am I to argue with them. The warranty is supported by this system. Outside of the warranty though you are on your own.
The oil change indicator system works, BUT they still require a change by 12/10k (gas models) whichever comes first. That tells me the system is not perfect in calculating needed oil changes as a change can go too long.

But I will change mine (gas) at 30% which usually works out to 6 months. Oil changes I do not push the limits as those changes are the most important maintenance you can do on your vehicle for long engine life.
There is absolutely nothing wrong with a rigid change schedule based on my personal driving. I am certainly not going to wait for "change oil" to start flashing.
Changing too frequently these days, with the high quality oil on the market, is also possible. Changes of days gone by of 3-4k are gone and are a waste of money unless you special usage issues.
But you just have to remember what oil does. It lubricates and keeps the engine clean. Infrequent oil changes are the biggest issue in this area. A dirty engine/dirty oil will not lubricate as good.
Moisture and contaminates over time are also issues. Most of the resulting issues will be on the owners plate as the warranty will be long expired.
Actually the car is not smart when it comes to oil changes its actually dumb. It just has to remind us to change the oil if we wait to long.
Maximum allowed is not always the best for long life.
2x a year works for me unless a long trip gets thrown in.
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post #23 of 43 (permalink) Old 04-11-2017, 09:14 AM
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Hullo guys

Anyway, my manual has no mention of a mileage, seriously - page 365 - "Engine Oil - Diesel Engine" it talks about selection, viscosity and filter. But, then, on page 403 it says - "Your vehicle is equipped with an automatic oil change indicator system." and talks about driving style changing when this will happen - so maybe my driving has prolonged the interval? It then says I should get it done "within the next 500 miles" and I'm probably on ~150 since it told me to change it. I got a bit bored then...
I don't know about your page 403, but in my manual what you have written is on page 407 and at the bottom of the page is,

Note:

"The actual interval for changing the oil and replacing the engine oil filter depends on the car usage conditions, it is signaled by the warning light or message (if present) in the instrument panel. It should not exceed 12,500 miles (20,000km) or 12 months."

Then on pages 409-410 it gives the maintenance chart for Diesel engine. Strange if yours does not have the same information, but as they say, You pays your money and makes your choice.

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post #24 of 43 (permalink) Old 04-11-2017, 09:14 AM
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I went to the Jeep France site, hoping to find info on diesel maintenance for the KL. They had a manuals section so I thought great, jackpot, but nope... nothing specific about the diesel engines in what I found. For gas engines, same as us as far as the 10K miles or one year limit on oil in the pan if oil life is not exceeded.

With the oil life system program that we have in North America for gas engines, I think I've heard from only one member who had made it to 10K miles while still above 5% oil life remaining. So even though it is possible to go beyond 10K miles before a warning, I'm thinking 11K or 12K would be the absolute maximum, even in the *best / most ideal* driving conditions.

There a few possibilities here, I think :
- The whole oil life system and its parameters were designed for gas engines, possibly *tweaked* for the export diesels.
- It is possible that the oil life program is adapted to each country (and their own regulations).
- Hippo's oil life system could have been reset one time (say at around 9K miles) without Hippo's knowledge, thus here he is at 18K with the oil life message (2nd time if it was reset).
@Hippogriff : if I had any advice to give you, and it's been said by many others here, would be to do one oil change yearly, unless your oil life system tells you to change sooner.

Edit : took a long time to write so had not seen @Frankt above me. Good info there...
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post #25 of 43 (permalink) Old 04-11-2017, 09:28 AM Thread Starter
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"The actual interval for changing the oil and replacing the engine oil filter depends on the car usage conditions, it is signaled by the warning light or message (if present) in the instrument panel. It should not exceed 12,500 miles (20,000km) or 12 months."
Our manuals will certainly be different (I have 3 - don't ask!)... but, to be honest, I really didn't get that far before zoning-out. The 12,500 miles sounds like a catch-all, but I'm happy that I've adhered to the chatty car. I'll not drive hundreds of miles between now and the 18th. Maybe 150 in total. I'm copacetic... just glad I asked so I didn't leave it until 20,000.

Cheers, Hippo
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post #26 of 43 (permalink) Old 04-11-2017, 09:29 AM Thread Starter
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- Hippo's oil life system could have been reset one time (say at around 9K miles) without Hippo's knowledge, thus here he is at 18K with the oil life message (2nd time if it was reset).
That's interesting... it has been at Jeep quite a bit.

Cheers, Hippo
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post #27 of 43 (permalink) Old 04-11-2017, 09:34 AM Thread Starter
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But I will change mine (gas) at 30% which usually works out to 6 months. Oil changes I do not push the limits as those changes are the most important maintenance you can do on your vehicle for long engine life.
There is absolutely nothing wrong with a rigid change schedule based on my personal driving. I am certainly not going to wait for "change oil" to start flashing.
Changing too frequently these days, with the high quality oil on the market, is also possible. Changes of days gone by of 3-4k are gone and are a waste of money unless you special usage issues.
But you just have to remember what oil does. It lubricates and keeps the engine clean. Infrequent oil changes are the biggest issue in this area. A dirty engine/dirty oil will not lubricate as good.
Moisture and contaminates over time are also issues. Most of the resulting issues will be on the owners plate as the warranty will be long expired.
Actually the car is not smart when it comes to oil changes its actually dumb. It just has to remind us to change the oil if we wait to long.
Maximum allowed is not always the best for long life.
2x a year works for me unless a long trip gets thrown in.
It seems like either a science or an art... but who really knows which is it and who's right - me or you? No-one knows.
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Cheers, Hippo
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post #28 of 43 (permalink) Old 04-11-2017, 10:05 AM
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Can you do an oil analysis test ? It uses synthetic oil right?

http://www.blackstone-labs.com/
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post #29 of 43 (permalink) Old 04-11-2017, 10:54 AM Thread Starter
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You're kidding, right? I couldn't even tell you where the oil goes... I'm not a manual worker, or a Labourer. I'm just driving this as a stopgap until proper self-driving.

Cheers, Hippo
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post #30 of 43 (permalink) Old 04-11-2017, 12:23 PM
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I would strongly suggest that you familiarize yourself with where the oil goes, and how to check it. If you have been driving your vehicle for a long time without an oil change, there is the possibility that the oil is low. Depending on how low it is, driving may cause damage. So get familiar with what type of oil is required, check the oil by using the dipstick, and if it is low, add some. Please do this. Everyone should do this. I am not a laborer or an auto mechanic, but I do check my oil before a trip, and at least once every month, to make sure it is full. Please, please check your oil level as soon as possible.
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