Maintenance Chart — Cummins Diesel Engine
Mileage or time passed (whichever comes first):
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7,500
15,000
22,500
30,000
37,500
45,000
52,500
60,000
67,500
75,000
82,500
90,000
97,500
105,000
112,500
120,000
127,500
135,000
142,500
150,000
Or Months:
6
12
18
24
30
36
42
48
54
60
66
72
78
84
90
96
102
108
114
120
Or Kilometers:
12,000
24,000
36,000
48,000
60,000
72,000
84,000
96,000
108,000
120,000
132,000
144,000
156,000
168,000
180,000
192,000
204,000
216,000
228,000
240,000
Change engine oil every 15,000 miles (24 000 km) or six months or 500 Hours or sooner if prompted by the oil change indicator system, whichever comes first. **
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Additional Inspections
Check the Diesel Exhaust Fluid (DEF) tank, refill if necessary.
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Rotate the tires.
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Lubricate front drive shaft fitting (4x4).
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Lubricate outer tie rod ends.
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Inspect engine air filter, replace if necessary. ****
X
X
X
X
X
X
X
X
X
X
Inspect the front suspension, tie rod ends and boot seals for cracks or leaks and all parts for damage, wear, improper looseness or end play; replace if necessary.
X
X
X
X
X
X
X
X
X
X
Inspect the brake linings.
X
X
X
X
X
X
Inspect and adjust parking brake.
X
X
X
X
X
X
Inspect drive belt; replace as necessary.
X
X
X
X
X
X
Inspect wheel bearings.
X
X
X
X
X
Additional Maintenance
Replace engine fuel filter element.
X
X
X
X
X
X
X
X
X
X
Replace chassis mounted fuel filter element.
X
X
X
X
X
X
X
X
X
X
Inspect the front and rear axle surfaces. If gear oil leakage is suspected, check the fluid level. If using your vehicle for police, taxi, fleet, off-road or frequent trailer towing change the axle fluid. *
Inspect the transfer case fluid (4x4), change for any of the following: police, taxi, fleet, or frequent trailer towing.
X
X
X
X
X
Change the transfer case fluid (4x4).
X
X
Change automatic transmission fluid (AS69RC transmission only).
X
X
X
X
X
Change the automatic transmission fluid and sump filter (AS69RC transmission only).
X
X
Change automatic transmission fluid and filter(s) if using your vehicle for any of the following: police, fleet, or frequent trailer towing (68RFE transmission only).
X
X
Change automatic transmission fluid and filter(s).
X
Change the manual transmission fluid if using your vehicle for any of the following: police, fleet, or frequent trailer towing.
X
X
Replace Crankcase Ventilation Filter (CCV).
X
X
Flush and replace power steering fluid.
X
Flush and replace engine coolant. ***
X
Adjust valve lash clearance.
X
Inspection and service should also be performed anytime a malfunction is observed or suspected. Retain all receipts.
* Inspect the front and rear axle surfaces every 20,000 miles (32,000 km). If gear oil leakage is suspected, check the fluid level. If using your vehicle for police, taxi, fleet, off-road or frequent trailer towing change the axle fluid every 20,000 miles (32,000 km).
** Under no circumstances should oil change intervals exceed 15,000 miles (24 000 km) or six months or 500 Hours, whichever comes first.
**** Under no circumstances should the air cleaner filter element exceed 30,000 miles (48,000 km) or 24 months, whichever comes first.
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