What maintenance does a 5 9 Cummins need?

Service Procedure Intervals
Flush engine cooling system 1998.5 – 2002 30,000 miles/24 months
2003 – 2007 100,000 miles/5 years
Inspect water pump 15,000 miles (inspect weep hole for blockage)
Replace automatic transmission fluid & filter 1998.5 – 2002 (47RE) 30,000 miles

How many miles will a Cummins 5.9 last?

The Cummins engine is design for initial overhaul between 400,000 and 500,000 miles.

How often should you change oil in a 5.9 Cummins?

04′ 5.9 Cummins

One is through Dodge for the powertrain; 7 years or 70,000 miles. The motor had a second warranty for 7 years or 100,000 miles and they would warrant the motor with an oil change interval of 15,000 miles.

Are 5.9 Cummins reliable?

Outside of the fuel system, the 5.9 24v is a very reliable engine. The engine internals such as the pistons, rod, and crankshaft will last a lifetime and can hold up beyond 500,000 miles.

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How do you maintain a Cummins diesel?

Cummins recommends that fuel filters be changed at least every other oil change. Fuel/water separator filters should be checked daily – drain any accumulated water.

Every 6 months or 12,000 miles:

  1. Lube Oil & Filter.
  2. Fuel Filter.
  3. Coolant Filter (C Series only)
  4. Drain water and sediment from fuel tank(s)

Is 5.9 or 6.7 Cummins better?

The common-rail 5.9L Cummins was produced from 2003-2007 and featured a fixed-geometry turbo. … However, the 6.7L’s use of a variable geometry turbocharger makes it much more responsive than the 5.9L at low rpm, not to mention that it incorporates a very effective exhaust brake function.

What is the best year Dodge Cummins to buy?

  • 1989-1993 Dodge Ram 2500 and 3500 – Timeless Diesel. …
  • 2003-2008 Dodge Ram 2500 and 3500 Heavy Duty – Best Used Diesel Value. …
  • 2010-2013 Ram 2500 Heavy Duty – Most Capable Diesel. …
  • 1999-2003 Super Duty – Best Budget Diesel. …
  • 2008-2010 Super Duty – Best Diesel to Modify.

What oil is best for Cummins?

Cummins specifically recommends two Valvoline oils for its engines. The 15W-40 oil is for temperatures above 0 degrees Fahrenheit while the 5W-40 is for extremely cold temperatures.

Why does diesel oil turn black so quickly?

While heat cycles cause oil to darken, soot causes oil to turn black. Most people associate soot with diesel engines, but gasoline engines can produce soot as well, particularly modern gasoline-direct-injection engines. … If soot particles agglomerate into larger wear-causing contaminants, the oil filter will catch them.

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How often should you change oil on a Cummins?

Straight out of the gate we recommend 6000 km (3700 mile) oil changes if you are running conventional oil 15W/40. This should be a safe interval for city driving, stop and go driving, and idling.

What is high mileage for a Cummins?

Cummins is the brand of engine found in the Dodge diesel and Ram diesel truck lines. Like the Duramax, Cummins diesel engines can be expected to last a long time. Between 350,000 and 500,000 miles is usually considered high mileage on a Cummins diesel.

What’s wrong with 12v Cummins?

Despite the brutal reliability of the 5.9 Cummins 12v, it does have one fatal flaw. The 12v has a dowel pin that sits on the front of the engine. The pin is responsible for ensuring proper alignment of the timing cover, and is made of steel.

How much HP can a stock 5.9 Cummins handle?

The 5.9L inline-six mill’s factory rotating assembly from ’89 to ’02 is capable of handling 800 hp (1,400 to 1,600 lb-ft of torque) without breaking a sweat, and is often pushed into four-digit territory before aftermarket rods become a consideration.

How much transmission fluid does a 6.7 Cummins take?

2007 – 2017 Ram 2500/3500, 6.7L Cummins Fluid Specs & Capacities

Engine oil 2007.5 – 2018 12 qts oil capacity w/ oil filter change
DEF tank capacity 2013 – 2019 5.5 gallons
Manual transmission fluid G56 6 spd manual 4.95 qts
Transfer case fluid NV271/NV273 2 qts
NV241/NV243/NV244 1.7 qts

How often do I need to drive my diesel truck?

Some of them sit there for quite a while with no problems, so a good running every 10 days should be just fine. You should be fine. My truck isn’t my daily driver either but I would usually put about 100+ on mine a week on weekends.

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How many miles is a 6.7 Cummins?

Ram claims the Cummins 6.7 engine to be good for 350,000 miles. The mileage is guaranteed if the scheduled services has been carried out timeously and no performance modifications have been done to the engine.

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