Jeep 2007 Grand Cherokee Series Owner's Manual page 440

M
440 SCHEDULE "B" — DIESEL ENGINES
A
I
Applies only if vehicle is used for frequent trailer
N
towing, or fleet/commercial service.
T
E
† The replacement of such component is requested when
N
A there is superficial wear, bearing clearance, or evident
N
grease leak.
C
E
S
C
H
E
D
U
L
E
S
8
Inspection and service should be performed anytime a
malfunction is observed or suspected. Retain all receipts.