Kia Sorento Owner's Manual page 575

Maintenance
MAINTENANCE UNDER SEVERE USAGE CONDITIONS - AUSTRALIA & NEW ZEALAND ONLY
The following items must be serviced more frequently on cars mainly used under severe driving conditions.
Refer to the chart below for the appropriate maintenance intervals.
R : Replace I : Inspect and if necessary, adjust, correct, clean or replace
Maintenance item
Engine oil and engine oil
filter
Air cleaner filter
Manual transaxle fluid (if equipped)
Automatic transaxle fluid (if equipped)
Steering gear rack, linkage and boots
Front suspension ball joints
7 20
Maintenance
operation
Petrol R
Diesel R
R
R
R
I
I
Maintenance intervals
Every 7,500 km or 6 months
Every 7,500 km or 6 months
Replace more frequently
depending on the condition
Every 120,000 km
Every 100,000 km
Inspect more frequently
depending on the condition
Inspect more frequently
depending on the condition
Driving condition
A, B, C, D, E,
F, G, H, I, J
A, B, C, F, G,
H, I, J, K, L
C, E
C, E, F, G, I, K
A, C, D, E, F,
G, H, I, J
C, D, E, F, G
C, D, E, F, G