2025 Jeep Grand Wagoneer Maintenance Schedule
Complete Service Intervals for the 540-hp Hurricane High Output Twin-Turbo I-6 (and the 2025 Wagoneer's 420-hp Standard Output)
Proudly serving Brevard, Asheville, Hendersonville, Fletcher & Cherokee NC
2025 Jeep Grand Wagoneer Scheduled Maintenance Overview
The 2025 Jeep Grand Wagoneer is the flagship American luxury SUV, and every 2025 Grand Wagoneer is powered by the 3.0L Hurricane High Output twin-turbo inline-six, rated at 540 hp and 521 lb-ft, with an 8HP75 8-speed automatic and Quadra-Drive II 4x4. The 2025 Wagoneer, sold as a separate nameplate that year, shares the same body, owner's manual and maintenance plan but uses the 420-hp Standard Output version of the same engine, so both are covered here. The High Output requires SAE 0W-40 full synthetic and premium 91-octane fuel, the Standard Output SAE 0W-20; our Mopar-certified technicians stock both.
Grand Wagoneer uses the Stellantis Oil Change Indicator System. Towing, mountain grades and hard driving bring the indicator on sooner, and the 2025 owner's manual says to never exceed 10,000 miles, 12 months or 350 engine hours between oil changes. Every oil change also includes a tire rotation, a 12V battery terminal inspection, and CV joint, brake, cooling system and exhaust inspections, plus an engine air filter check if you drive on dusty or unpaved roads.
Oil & Filter
Oil Change Indicator; max 10,000 mi / 12 months / 350 hours
(HO: 0W-40, 7.5 qt; SO: 0W-20, 7.5 qt)
Tire Rotation
At every oil change
(max 10,000 mi / 12 months)
Cabin Air Filter
Every 12,000 mi
(Mopar 68548579AA)
Spark Plugs
60,000 and 120,000 mi
(Mopar 68265438AB x6)
Complete Maintenance Schedule by Mileage
| Mileage Interval | Services Performed |
|---|---|
| Every 10,000 miles (Oil Change Indicator; never exceed 10,000 mi / 12 months / 350 engine hours) | Change engine oil and filter; rotate tires; inspect 12V battery terminals; inspect CV/universal joints; inspect brake pads, shoes, rotors, drums, hoses and parking brake; inspect engine cooling system and hoses; inspect exhaust system; inspect engine air filter if dusty/off-road |
| Every 12,000 miles | Replace cabin air filter |
| Every 20,000 miles | Inspect front suspension and tie rod ends (replace if necessary); inspect front and rear axle fluid (change if police/taxi/fleet/off-road/frequent towing); inspect brake linings and parking brake function |
| Every 30,000 miles | Replace engine air cleaner filter; inspect transfer case fluid |
| Every 60,000 miles | Replace spark plugs - 3.0L (60,000 / 120,000 mi; mileage-based only) |
| 100,000 miles | Replace PCV valve |
| Brake fluid / automatic transmission fluid | No scheduled brake fluid (DOT 3) or automatic transmission fluid replacement in the owner's manual; axle fluid change only under severe service |
| 10 years or 150,000 miles | Flush and replace engine coolant (OAT MS.90032); replace accessory drive belt; inspect belt tensioner and pulley (replace if necessary); change transfer case fluid (Mopar Mobile LT) |
Time-Based Service
Several 2025 Grand Wagoneer items are governed by time as well as miles, whichever comes first:
- Engine oil and filter: at least every 12 months even at low mileage
- Front suspension, tie rod ends, brake linings and axle fluid inspection: every 20,000 miles or 2 years
- Engine air filter and transfer case fluid inspection: every 30,000 miles or 3 years
- PCV valve: replace at 100,000 miles or 10 years
- Engine coolant, accessory drive belt and transfer case fluid: flush and replace the Mopar OAT coolant, replace the belt (inspecting the tensioner and pulley) and change the transfer case fluid (Mopar Mobile LT) at 10 years or 150,000 miles; the manual lists no shorter second interval
- Brake fluid and automatic transmission fluid: the 2025 manual sets no replacement interval for either; DOT 3 brake fluid and the transmission are inspected at every service
Engine-Specific Maintenance Details
Every 2025 Grand Wagoneer uses the Hurricane High Output, and the 2025 Wagoneer used the Standard Output; both are 3.0L twin-turbo inline-sixes that share filters, plugs and the 8HP75 8-speed, but not oil. The High Output (540 hp / 521 lb-ft) requires SAE 0W-40 full synthetic (MS-A0921) and 91-octane premium fuel; the Standard Output (420 hp / 468 lb-ft) takes SAE 0W-20 (MS-6395). Both hold 7.5 quarts with a Mopar 68466307AB filter, use a Mopar 68575644AB engine air filter, a 68548579AA cabin filter and six Mopar 68265438AB spark plugs replaced at 60,000 and 120,000 miles, and run Mopar ZF 8 & 9 Speed ATF in the transmission, Mopar Mobile LT in the transfer case, GL-5 75W-85 in the axles (with an integrated friction modifier for the rear limited-slip) and Mopar OAT coolant (16.6 quarts engine, 3.2 quarts intercooler). Get the right oil for your engine.
| Specification | 3.0L Hurricane Twin-Turbo I-6 High Output (HO) | 3.0L Hurricane Twin-Turbo I-6 Standard Output (SO) - 2025 WAGONEER |
|---|---|---|
| Oil Type | SAE 0W-40 Full Synthetic (MS-A0921, API SP) | SAE 0W-20 Full Synthetic (MS-6395, API SP) |
| Oil Capacity | 7.5 qt (with filter) | 7.5 qt (with filter) |
| Oil Filter | Mopar 68466307AB | Mopar 68466307AB |
| Engine Air Filter | Mopar 68575644AB | Mopar 68575644AB |
| Cabin Air Filter | Mopar 68548579AA | Mopar 68548579AA |
| Spark Plugs | Mopar 68265438AB (x6) | Mopar 68265438AB (x6) |
| Spark Plug Interval | 60,000 mi | 60,000 mi |
| Transmission Fluid | Mopar ZF 8 & 9 Speed ATF (8HP75) | Mopar ZF 8 & 9 Speed ATF (8HP75) |
| Coolant | Mopar Antifreeze/Coolant 10 Year/150,000 Mile Formula OAT (MS.90032) (16.6 qt engine; 3.2 qt intercooler) | Mopar Antifreeze/Coolant 10 Year/150,000 Mile Formula OAT (MS.90032) (16.6 qt engine; 3.2 qt intercooler) |
Luxury Features, Air Suspension & Towing Maintenance
Grand Wagoneer combines flagship luxury features (Quadra-Lift air suspension, McIntosh audio, 22-inch wheels) with a heavy-duty drivetrain, and the 2025 plan reflects that. Front and rear axle fluid is inspected every 20,000 miles and changed under police, taxi, fleet, off-road or frequent trailer-towing use. Transfer case fluid is inspected at 30,000 miles and changed once, at 150,000 miles. No automatic transmission fluid change is listed at any interval. The owner's manual plan sets no separate air suspension interval; our technicians look over the Quadra-Lift system as part of the multi-point inspection at every visit. Large 22-inch tires make the every-oil-change rotation especially important, and 540 horsepower on 91 octane deserves the full-synthetic 0W-40 the manual specifies.
- Air suspension requires periodic inspection — leaks or compressor wear can develop without visible symptoms.
- 22-inch wheels are highly pothole-susceptible — inspect rims after rough roads.
- Towing 10,000 lbs is severe-duty — shorten transmission and oil intervals when towing regularly.
- Hurricane HO turbo bearings benefit from brief warm-up before aggressive use, especially in winter.
- Premium audio and luxury electronics put heavy load on the battery — annual testing matters.
- Air suspension uses electric compressors that drain battery if vehicle sits unused.
- Cold-start operation in Western NC winters stresses turbo bearings.
- L (extended-wheelbase) variants stress driveline more than standard — follow severe-duty intervals.
Severe & Special Operating Conditions
Stellantis defines severe operating conditions as any of the items below: dusty or off-road driving, frequent trailer towing, and police, taxi or fleet use. Many Grand Wagoneer owners in the mountains qualify for at least one, and the 2025 manual shortens specific items accordingly: the engine air filter is inspected at every oil change under dusty or off-road use, and front and rear axle fluid is changed at the 20,000-mile inspection under heavy use.
- Towing — Grand Wagoneer rated up to 10,000 lbs
- Hurricane HO aggressive driving
- Frequent short trips that prevent engine warm-up
- Heavy stop-and-go traffic
- Three-row family use with full passenger loads (L variants especially)
- Sustained mountain grade driving (Western NC routes)
- Operating in dusty conditions or gravel forest roads
- Extreme cold weather (below 0°F) or extreme heat (above 100°F)
Service for 2025 Jeep Grand Wagoneer Owners Across Western NC
Grand Wagoneer owners across Western NC use these flagship SUVs for premium daily driving around Brevard, longer trips to Asheville and Hendersonville, weekend excursions toward Waynesville and the Smokies, and heavy tow trips to Lake Lure. Mountain grades stress brakes and the cooling system, and towing stresses the axles and transfer case. Air suspension, luxury electronics and 540 horsepower of Hurricane High Output demand factory-trained service. Our Mopar-certified team handles flagship 2025 Grand Wagoneer service with appropriate care.
Monthly & Semi-Annual Owner Checks
Between scheduled service visits, a few quick owner checks help catch problems before they become repairs. These take only a couple of minutes and apply to every 2025 Jeep Grand Wagoneer.
- Tire pressure — check monthly; 22-inch wheels are sensitive to pressure variation.
- Engine oil level — check every 2-3 fuel fill-ups; turbo engines benefit from monitoring.
- Coolant level — verify monthly.
- Brake fluid level — check the master cylinder reservoir monthly.
- Washer fluid — top off as needed.
- Air suspension — observe ride height when parked; uneven settling indicates leak or compressor issue.
- Visual underbody check — look for fluid leaks after rough roads.
- Battery state of charge — H8 AGM should be tested annually given heavy electrical load.
Note on Pricing: Grand Wagoneer service pricing reflects the flagship platform. The Hurricane High Output takes 7.5 quarts of 0W-40 full synthetic, the 60,000-mile spark plug service covers six plugs, and air suspension and premium electronics work each carry distinct costs. Call (828) 492-2121 for trim-specific quotes.
Schedule Your 2025 Jeep Grand Wagoneer Maintenance at Mahon CDJR
Mahon CDJR is your authorized Jeep service center for the flagship 2025 Grand Wagoneer. Our Mopar-certified team handles the 540-hp Hurricane High Output and the 2025 Wagoneer's Standard Output alike, with the correct Mopar oil, filters and fluids for each. Schedule online or call our service team at (828) 492-2121.
Created September 29, 2026 by MM Dealer Advocates