Kia Optima 2017, Owner'S Manual, Page: 626 / 776

Maintenance Under Severe Usage Conditions - For Diesel Engine [Except Europe (Including Russia)]
Maintenance item
Maintenance
operation
Maintenance intervals Driving condition
Engine oil and engine oil filter
For Russia R
Every 7,500 km (5,000
miles) or 6 months
A, B, C, D, E, F, G,
H, I, J, K, L
Except Russia R
Every 5,000 km (3,000
miles) or 6 months
A, B, C, D, E, F, G,
H, I, J, K, L
Air cleaner filter R
Replace more fre‐
quently depending on
the condition
C, E
Manual transaxle fluid (if equipped) R
Every 120,000 km
(80,000 miles)
C, D, E, F, G, H, I, K
Dual clutch transmission (DCT) fluid (if equipped) R
Every 120,000 km
(80,000 miles)
C, D, E, F, G, H, I, K
Automatic transaxle fluid (if equipped) R
Every 90,000 km
(60,000 miles)
A, C, D, E, F, G, H, I,
K
Steering gear rack, linkage and boots I
Inspect more frequent‐
ly depending on the
condition
C, D, E, F, G
Suspension ball joints I
Inspect more frequent‐
ly depending on the
condition
C, D, E, F, G
Brake discs and pads, calipers and rotors I
Inspect more frequent‐
ly depending on the
condition
C, D, E, G, H
Maintenance
8-40