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5000 Mile Service Intervals

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Old 10-04-2005, 12:18 PM
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5000 Mile Service Intervals

Does anyone have a complete 5000 Mile service interval checklist?

3750 is probably a bit extreme for me, but 7500 is too long for my own peace of mind...

Looking for a complete service schedule, head to toe, bumper to bumper...

Thanx....
Old 10-04-2005, 12:48 PM
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I think its listed in the Owners Manual.
Old 10-04-2005, 12:55 PM
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The 5,000 mile service details should be in the owners manual that was supplied with your truck.

As for oil changes, this is directly from Cummins website;

ISB--------------Normal Duty-----Severe Duty

Oil and Filter------15,000mi.-------9,000mi.


Change your oil as often as you like. It's your $$$ after all.
Old 10-04-2005, 01:36 PM
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my manual has A/B 3750/7500
Old 10-04-2005, 01:47 PM
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My truck also has a 3750/7500 service interval. I think that the 100k engine and 70k powerttain warranty is a good deal, so I've been adhering to the 3750 service interval as it's what I need per the guidelines. If you don't care about the warranty then service whenever you want. Note that Cummins states that merely using a synthtic oil doesn't allow you to extend the service interval, and I've seen some shops state in big letters that they won't honor warranty repairs unless the Dodge service book is filled out, or unless another record and receipts are provided.
Old 10-04-2005, 05:37 PM
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The 3750/7500 deal. 3750 only applies to the trucks sold in California with the California engine..Look in your owners manual. There's a little cross looking icon and that is only applicable to the California engine. And if memory serves correctly it'll have 305 on the valve cover sticker...
Dealers tell you 3750 so they can charge you big bucks for an oil change.

If you're worried just change the oil over to full synthetic like Mobil 1 Delvac, Amsoil, Redline, Royal Purple and go 7500 miles like most people on this forum.
Old 10-04-2005, 07:05 PM
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No, No, No. I have never run synthetic oil. The dino oil technology has come so far in the past few years that you can easily run it 15K miles.

If you're skeptical look here! Pay close attention to the interval on Diesel Sample Report #2 and then read the writeup that states the oil wasn't run as long as usual!


The last sample I sent to them had 15K miles on it. The writeup that accompanies the report stated that they highly doubted I had run that sample for any more than 7800 miles! I'm certain of the mileage because I changed the oil prior to a long trip out west and I was the one who pulled the sample once I got home.


Originally Posted by rossn2
The 3750/7500 deal. 3750 only applies to the trucks sold in California with the California engine..Look in your owners manual. There's a little cross looking icon and that is only applicable to the California engine. And if memory serves correctly it'll have 305 on the valve cover sticker...
Dealers tell you 3750 so they can charge you big bucks for an oil change.
I forgot that Daimler Chrysler publishes that service manual and there is no insert from Cummins for the engine itself.

Think about it...

3 gallons of Rotella 15W/40 @ $5.00/gallon = $15.00 Fleetguard Stratapore LF3894 Oil Filter from Genos Garage = $9.50 if bought seperately. (Discount if purchased in volume, I think it gets them down to about $8.00ea.) Oil Sample from Blackstone Laboratories = $18.00 (with TBN $28.00)

That shakes out to $42.50 with an oil sample. Without it is $24.50. It literally takes about 20 minutes once you get familiar with the filter removal. What is the dealer up to now? Last I noticed it was $69.95 for a diesel truck. Even if you have the oil analysis performed you still save almost $30.00. And you can't say that it saves you the time because there is no dealer that can drive to, get you in and out in 1/2 an hour for a diesel oil change, especially if they don't have a diesel tech (very few dealers do, only 2 in NE Ohio and one in Columbus, Ohio).

Now, figure on your 3750 mile interval at the same price.
You will change the oil 4 times compared to my 1. Do without the analysis and you are spending $98 and 1 hour 20 minutes to do the same thing I just did for $24.50 and 20 minutes.


I'm not trying to question your intelligence and by all means do what makes you comfortable, but at least give it some thought before you spend all that money.

My apology for the long post, but I don't want to see another fella say that he has to sell his truck because of high oil prices. Darn, the difference I save by going 15K mile intervals on an oil change compared to 3750 mile intervals is now almost a tank of fuel. Which, by the way, cost me $92.00 today! Prior to this week my high was $73.00, exactly the dollar amount I save by changing at 15K miles.
Old 10-04-2005, 09:03 PM
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I have a CA engine and meet the severe requirements guidelines, so I need to use a 3750 change interval. No one I know meets the 'normal' 7.5k / 15k service interval, not that some don't, but Cummins also states that you can't use used oil analysis to extend change intervals. The typical used oil analysis won't pick up a lot of varnish/sludging problems, you need a different test for that, and it won't pick up a lot of types of wear which produce particles too large for the typical oil analysis. If you look at sites where oil analysis may be a life or death situation, like private piston powered aircraft, they state the same and have recommended disecting the oil filter to look for particles, but you could also add particle analysis to the typical used oil analysis.
Old 10-05-2005, 06:36 AM
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Gotta love it when people misquote stuff from Cummins...

Directly from the Cummins FAQ page:
http://www.cummins.com/cmi/content.j...x=4&index=0#Q4

"What maintenance is required with the 24-Valve Turbo Diesel?
The only maintenance required is regular replacement of oil and oil filters at 7,500 miles and fuel filter replacement at 15,000 miles. The air filter should be replaced when the "Filter Minder" installed on the air cleaner box indicates a dirty filter. Valve adjustment is not required until 150,000 miles."

"What maintenance is required on 2003 engines?
For 2003, the oil change interval has doubled to 15,000 miles for normal use, and 7,500 for severe use. California, Maine and Massachusetts engines remain at 7,500 and 3,750 for normal and severe use, respectively. The fuel filter change interval is 15,000 miles. Valve adjustment is not required until 150,000 miles. "

" Is it OK to use synthetic oil with my Cummins engine?
Cummins recommends that you not use synthetic motor oil during the break-in period of 5000-20,000 miles, based on the type of driving, to allow proper seating of the piston rings. Beyond that mileage it is OK to use synthetic oil. "


Another words, schedule A & B in the owners manual for the California, Maine, MA engine. If you have the normal engine then schedule A& B are 7500/15k respectively.

If you want to run longer, on either Dino oil or Synthetic, than install a bypass system and have regular OIL Analysis done, like Smokindog suggested.

1sttruck -- " but Cummins also states that you can't use used oil analysis to extend change intervals." Oh really?? Please provide a link to that site or information please. How do you think Cummins extended the oil change intervals on Over-the-road (OTR) trucks using Valvoline Premim Blue Synthetic Oil? They worked with the manufacturer and used UOA! Here's the March 2004 Press release: http://www.cummins.com/cmi/content.j...61&menuIndex=0

The deal with extended oil change intervals is that you may run into your engine warranty being voided by DC. It's up to you as a consumer to prove the oil wasn't the cause of the failure. So, you better have all your receipts and UOA's from the lab as evidence. And, if are going to use extended oil change intervals, you better read all the fine print on the oil manufact. warranty requirements, such as Amsoil. And, I'm not putting down Amsoil, I use to run it. You just have to have all you ducks in a row to satisfy the Amsoil warranty. Like, Amsoil Oil and Filter, Amsoil Air Filter, Amsoil bypass-system and filters, UOA conducted only by Amsoil's lab, etc....

" The typical used oil analysis won't pick up a lot of varnish/sludging problems, you need a different test for that, and it won't pick up a lot of types of wear which produce particles too large for the typical oil analysis. If you look at sites where oil analysis may be a life or death situation, like private piston powered aircraft, they state the same and have recommended disecting the oil filter to look for particles, but you could also add particle analysis to the typical used oil analysis." I think you have been given bad information here....

If you really want more info on Extended oil changes then go to the source on the web Bobistheoilguy website: http://theoildrop.server101.com/cgi/ultimatebb.cgi
Old 10-05-2005, 10:04 AM
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Smokindog, who said anything about taking it to the dealer? The original poster was just asking for a 5,000 mile interval maintenance schedule.

Herrin821, your oil change interval should either be 7,500 or 15,000 miles, depending on whether you use the A or B schedule.
Old 10-05-2005, 12:17 PM
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Hoss, here is where the dealer came up.
Originally Posted by rossn2
Dealers tell you 3750 so they can charge you big bucks for an oil change.
Originally Posted by rossn2
Gotta love it when people misquote stuff from Cummins...
Not misquoted, just found in a different location...

http://www.everytime.cummins.com/eve...aintenance.jsp


I wasn't trying to turn this into a quote war, but rather explain the difference in costs associated with "peace of mind oil changes". There just isn't any benefit to doing it so soon, unless you need the exercise of digging in your pocket! I have nearly 200K miles on my truck. With 15K mile service intervals oil changes have cost me $326. If I would have performed 3750 mile oil changes the cost would be $1306. I'm simply providing the information for our buddy Herrin to make a decision. He can listen to someone who has 200K on their truck and will likely put another 200K on it or to someone who sold their truck, it's his choice.
Old 10-05-2005, 02:47 PM
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1sttruck -- " but Cummins also states that you can't use used oil analysis to extend change intervals." Oh really?? Please provide a link to that site or information please. How do you think Cummins extended the oil change intervals on Over-the-road (OTR) trucks using Valvoline Premim Blue Synthetic Oil? They worked with the manufacturer and used UOA! Here's the March 2004 Press release: http://www.cummins.com/cmi/content....561&menuIndex=0"

See below. Note that Cummins specifically states that you can't extend service intervals just because you're using a synthetic oil, they don't provide exceptions to the stated service intervals, and elsewhere in the FAQ they state that one needs to refer to the Dodge Ram data for ISB service intervals.

As previously stated do whatever you want on oil changes, obviously no one will stop you as no one cares, but also don't expect warranty coverage if you don't adhere to the warranty requirements. I'll probably go to at least a 5k interval when out of warranty, but not beyond 7.5k as from what I understand the model has a shorter interval due to soot from lower operating temperatures. I expect at least 500k out of mine, and most getting that kind of mileage seem to use a shorter oil change interval.


http://www.cummins-sp.com/support/#dodge

Is it OK to use synthetic oil with my Cummins engine?

Cummins recommends that you not use synthetic motor oil during the break-in period of 5000-20,000 miles, based on the type of driving, to allow proper seating of the piston rings. Beyond that mileage it is OK to use synthetic oil.



What maintenance is required on 2003 engines?

For 2003, the oil change interval has doubled to 15,000 miles for normal use, and 7,500 for severe use. California, Maine and Massachusetts engines remain at 7,500 and 3,750 for normal and severe use, respectively. The fuel filter change interval is 15,000 miles. Valve adjustment is not required until 150,000 miles.



Routine Maintenance Recommendations

Synthetic Oil -
Synthetic oil may be used provided it meets performance and chemical requirements. However, the use of synthetic oil does not justify extended oil change intervals.
Old 10-05-2005, 03:54 PM
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smokindog - Apologies, wasn't referring to you on the misquote. My post just happen to come in under yours... Your point of extended drain intervals for cost savings is accurate. Believe you misunderstood my talking points.

1sttruck. The original post Herrin821 vehicle has 7500/15k intervals, not 3750/7500 as yours does (california engine). If an owner wants to go further, such as smokindog offered -Extended drain intervals point - is to use a bypass system and OIL Analysis. And this applies to DINO or Synthetic Oil. Haven't seen any DC manual that calls for 5k mile OCIs on a Cummins.

For Herrin821 - Just take the Schedu B. 7500 recommended maint. list and change everything every 5k miles. Of course, now that means you have to change your rear end fluid every 10k instead of every 15k.
Old 10-05-2005, 03:59 PM
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Originally Posted by smokindog
Hoss, here is where the dealer came up. .
My bad. I thought you were directing your thoughts at the original poster (who said nothing about going to the dealership).
Old 10-05-2005, 05:59 PM
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It is weird... my service schedule book in my truck has 3750/7500, but the manual itself lists 7500/15000. Stupid. Either way, I am on the 7500 mile schedule right now and it will probably stay that way. I simply don't trust oil out to 15,000 miles, but 3750 is too soon for an engine like the Cummins.


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