2018 JEEP GRAND CHEROKEE spark plugs

Mileage or time passed (which-
ever comes first)
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: 12 24 36 48 60 72 84 96 108 120 132 144 156 168 180 192 204 216 228 240
Kilometers or time passed (which-
ever comes first):
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
Inspect the front and rear axle
fluid, change if using your ve-
hicle for police, taxi, fleet, of-
froad or frequent trailer towing.XX X X X
Change brake fluid every
24 months if using DOT 4 brake
fluid.**XXX X X X X X X X
Replace the air conditioning fil-
ter.XXX X X X X X X X
Adjust parking brake on vehicles
equipped with four-wheel disc
brakes.XX X X X
Replace engine air cleaner filter. X X X X X
Replace spark plugs * X X
Replace accessory drive belt(s).X
Flush and replace the engine
coolant at 120 months or
240,000 km whichever comes
first.XX
SERVICING AND MAINTENANCE
232

Miles:6,000
12,000
18,000
24,000
30,000
36,000
42,000
48,000
54,000
60,000
66,000
72,000
78,000
84,000
90,000
96,000
102,000
108,000
114,000
120,000
126,000
132,000
138,000
144,000
150,000
Or Months: 6 12 18 24 30 36 42 48 54 60 66 72 78 84 90 96 102 108 114 120 126 132 138 144 150
Or Kilometers:
10,000
20,000
30,000
40,000
50,000
60,000
70,000
80,000
90,000
100,000
110,000
120,000
130,000
140,000
150,000
160,000
170,000
180,000
190,000
200,000
210,000
220,000
230,000
240,000
250,000
Inspect 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.XXXXXXXXXXXX
Replace the engine air cleaner fil-
ter.XXXXX
Replace the air conditioning filter. X X X X X X
Inspect and replace the PCV Valve
if necessary. †X
Replace the spark plugs 6.4L En-
gine. (**)XX
Replace the spark plugs 6.2L En-
gine. (**)XXX X
Flush and replace the engine cool-
ant at 120 months if not done at
150,000 miles (240,000 km).XX
(*) The brake fluid change interval is time
based only, Mileage intervals do not apply.(**) The spark plug change interval is mile-
age based only, Monthly intervals do not ap-
ply.† This maintenance is recommended by the
manufacturer to the owner, but is not re-
quired to maintain emissions warranty.
237

FLUIDS AND LUBRICANTS NON-SRT
Engine
Component Fluid, Lubricant, or Genuine Part
Engine Coolant We recommend you use Mopar Antifreeze/Coolant 10 Year/150,000 Mile Formula OAT (Organic
Additive Technology) that meets the requirements of FCA Material Standard MS.90032 or an
equivalent coolant.
Engine Oil – 3.6L Engine We recommend you use API Certified SAE 0W-20 engine oil, meeting the requirements of FCA
Material Standard MS-6395, FCA 9.55535-CR1, or ACEA A1/B1. Refer to your engine oil filler
cap for the correct SAE grade.
Engine Oil – 5.7L Engine We recommend you use API Certified SAE 5W-20 engine oil, meeting the requirements of FCA
Material Standard MS-6395, FCA 9.55535-CR1, ACEA A1/B1. Refer to your engine oil filler cap
for the correct SAE grade.
Engine Oil – 3.0L Diesel Engine We recommend you use 5W-40syntheticengine oil such as Mopar that meets FCA Material Stan-
dard MS-10902 or FCA 9.55535-D3 and the ACEA A3/B4 or API CJ-4/SM engine oil category is
required.
Engine Oil Filter We recommend you use Mopar Engine Oil Filters.
Spark Plugs We recommend you use Mopar Spark Plugs.
Fuel Selection – 3.6L Engine Minimum 91 Octane
Fuel Selection – 5.7L Engine Minimum 91 Octane Acceptable - 95 Octane Recommended
Fuel Selection – 3.0L Diesel Engine 50 Cetane or higher (Less than 10 ppm Sulfur)
AdBlue Mopar Diesel Exhaust Fluid (API Certified) (DEF) or equivalent that has been API Certified to the
ISO 22241 standard. Use of fluids not API Certified to ISO 22241 may result in system dam-
age.
TECHNICAL SPECIFICATIONS
280

FLUIDS AND LUBRICANTS — SRT
Engine
Component Fluid, Lubricant, or Genuine Part
Engine Coolant We recommend you use Mopar Antifreeze/Coolant 10 Year/150,000 Mile Formula OAT (Organic
Additive Technology) that meets the requirements of FCA Material Standard MS-12106.
Engine Oil We recommend you use API Certified SAE 0W-40 synthetic engine oil, meeting the requirements
of FCA MS-12633 or ACEA A1/B1.
Engine Oil Filter We recommend you use Mopar Engine Oil Filters.
Spark Plugs We recommend you use Mopar Spark Plugs.
Fuel Selection We recommend you use 98 Research Octane Number (RON) or Higher.
Chassis
Component Fluid, Lubricant, or Genuine Part
Automatic Transmission Use only Mopar ZF 8&9 Speed ATF Automatic Transmission Fluid or
equivalent. Failure to use the correct fluid may affect the function or
performance of your transmission.
Transfer Case – Single-Speed (Selec-Track) We recommend you use Mopar ATF+4 Automatic Transmission Fluid.
Axle Differential (Front) We recommend you use Mopar GL-5 Synthetic Axle Lubricant SAE
75W-85.
Axle Differential (Rear) – With Electronic Limited-Slip Differential (ELSD) We recommend you use Mopar GL-5 Synthetic Axle Lubricant SAE
75W-85 with integrated friction modifier.TECHNICAL SPECIFICATIONS
282