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HOMESERVICE MANUALSJEEP2009GRAND CHEROKEE LAREDO, 3.7 K, RWDREPAIR AND DIAGNOSISMAINTENANCEPROCEDURESVEHICLE QUICK REFERENCEMAINTENANCE SCHEDULESDESCRIPTIONMAINTENANCE SCHEDULES - NAFTA - KOREAN GASREQUIRED MAINTENANCE INTERVALS
2009 Jeep Grand Cherokee Laredo, 3.7 K, RWD

Required Maintenance Intervals

2009 Jeep Grand Cherokee Laredo, 3.7 K, RWDSECTION Required Maintenance Intervals
NOTE:

** Vehicles built with the 4.7L engine are equipped with sixteen spark plugs, one set is located on the top of the engine under the coils and the second set is located on the side of the engine.

The spark plugs located under the coils are a standard plug and must be change every 30,000 miles (50 000 km)

The spark plugs located on the side of the engine are a premium plug and must be changed every 102,000 miles (170 000 km).

Perform Maintenance Every Maintenance Items
(Where time and mileage are listed, follow the interval that occurs first.)
Miles Kilometers Months
6000 10000 6
  • Change the engine oil and engine oil filter.
  • Rotate tires.
12000 20000 12
  • Change the engine oil and engine oil filter.
  • Rotate tires.
  • If using your vehicle for any of the following: Dusty or off-road conditions. Inspect the engine air cleaner filter; replace if necessary.
  • Inspect the brake linings, replace if necessary.
  • Inspect the CV joints. Perform the first inspection at 12,000 miles (20 000 km) or 12 months.
  • Inspect exhaust system. Perform the first inspection at 12,000 miles (20 000 km) or 12 months.
18000 30000 18
  • Change the engine oil and engine oil filter.
  • Rotate tires.
  • Inspect the front and rear axle fluid, change if using your vehicle for police, taxi, fleet, off-road or frequent trailer towing.
24000 40000 24
  • Change the engine oil and engine oil filter.
  • Rotate tires.
  • If using your vehicle for any of the following: Dusty or off-road conditions. Inspect the engine air cleaner filter; replace if necessary.
  • Inspect the brake linings, replace if necessary.
  • Inspect the CV joints.
  • Inspect exhaust system.
  • Inspect the front suspension, tie rod ends and boot seals; replace if necessary.
30000 50000 30
  • Change the engine oil and engine oil filter.
  • Rotate tires.
  • Replace the engine air cleaner filter.
  • Replace the top row of spark plugs (4.7L Engine). 
  • Replace the spark plugs (3.7L and 5.7L Engines). 
  • Adjust parking brake on vehicles equipped with four-wheel disc brakes.
  • Inspect the transfer case fluid.
36000 60000 36
  • Change the engine oil and engine oil filter.
  • Rotate tires.
  • If using your vehicle for any of the following: Dusty or off-road conditions. Inspect the engine air cleaner filter; replace if necessary.
  • Inspect the brake linings, replace if necessary.
  • Inspect the front and rear axle fluid, change if using your vehicle for police, taxi, fleet, off-road or frequent trailer towing.
42000 70000 42
  • Change the engine oil and engine oil filter.
  • Rotate tires.
48000 80000 48
  • Change the engine oil and engine oil filter.
  • Rotate tires.
  • If using your vehicle for any of the following: Dusty or off-road conditions. Inspect the engine air cleaner filter; replace if necessary.
  • Inspect the brake linings; replace if necessary.
  • Inspect the CV joints.
  • Inspect exhaust system.
  • Inspect the front suspension, tie rod ends and boot seals; replace if necessary.
54000 90000 54
  • Change the engine oil and engine oil filter.
  • Rotate tires.
  • Inspect the front and rear axle fluid, change if using your vehicle for police, taxi, fleet, off-road or frequent trailer towing.
60000 100000 60
  • Change the engine oil and engine oil filter.
  • Rotate tires.
  • Replace the engine air cleaner filter.
  • Inspect the brake linings; replace if necessary.
  • Replace the ignition cables (3.7L Engine). 
  • Replace the top row of spark plugs (4.7L Engine). 
  • Replace the spark plugs (3.7L and 5.7L Engines). 
  • Adjust parking brake on vehicles equipped with four-wheel disc brakes.
  • Change the automatic transmission fluid and filter(s) if using your vehicle for any of the following: police, taxi, fleet, or frequent trailer towing.
  • Change the transfer case fluid if using your vehicle for any of the following: police, taxi, fleet, or frequent trailer towing.
  • Flush and replace the engine coolant if not done at 102,000 miles (170 000 km).
66000 110000 66
  • Change the engine oil and engine oil filter.
  • Rotate tires.
72000 120000 72
  • Change the engine oil and engine oil filter.
  • Rotate tires.
  • If using your vehicle for any of the following: Dusty or off-road conditions. Inspect the engine air cleaner filter; replace if necessary.
  • Inspect the brake linings; replace if necessary.
  • Inspect the CV joints.
  • Inspect exhaust system.
  • Inspect the front suspension, tie rod ends and boot seals; replace if necessary.
  • Inspect the front and rear axle fluid, change if using your vehicle for police, taxi, fleet, off-road or frequent trailer towing.
78000 130000 78
  • Change the engine oil and engine oil filter.
  • Rotate tires.
84000 140000 84
  • Change the engine oil and engine oil filter.
  • Rotate tires.
  • If using your vehicle for any of the following: Dusty or off-road conditions. Inspect the engine air cleaner filter; replace if necessary.
  • Inspect the brake linings; replace if necessary.
90000 150000 90
  • Change the engine oil and engine oil filter.
  • Rotate tires.
  • Replace the engine air cleaner filter.
  • Replace the top row of spark plugs (4.7L Engine). 
  • Replace the spark plugs (3.7L and 5.7L Engines). 
  • Inspect and replace PCV valve if necessary. ** 
  • Adjust parking brake on vehicles equipped with four-wheel disc brakes.
  • Inspect the transfer case fluid.
  • Inspect the front and rear axle fluid, change if using your vehicle for police, taxi, fleet, off-road or frequent trailer towing.
96000 160000 96
  • Change the engine oil and engine oil filter.
  • Rotate tires.
  • If using your vehicle for any of the following: Dusty or off-road conditions. Inspect the engine air cleaner filter; replace if necessary.
  • Inspect the brake linings; replace if necessary.
  • Inspect the CV joints.
  • Inspect exhaust system.
  • Inspect the front suspension, tie rod ends and boot seals; replace if necessary.
102000 170000 102
  • Change the engine oil and engine oil filter.
  • Rotate tires.
  • Replace the ignition cables (4.7L Engine). 
  • Replace the side row of spark plugs (4.7L Engine). 
  • Flush and replace the engine coolant if not done at 60 months.
108000 180000 108
  • Change the engine oil and engine oil filter.
  • Rotate tires.
  • If using your vehicle for any of the following: Dusty or off-road conditions. Inspect the engine air cleaner filter; replace if necessary.
  • Inspect the brake linings; replace if necessary.
  • Inspect the front and rear axle fluid, change if using your vehicle for police, taxi, fleet, off-road or frequent trailer towing.
114000 190000 114
  • Change the engine oil and engine oil filter.
  • Rotate tires.
120000 200000 120
  • Change the engine oil and engine oil filter.
  • Rotate tires.
  • Replace the engine air cleaner filter.
  • Replace the ignition cables (3.7L Engine). 
  • Replace the top row of spark plugs (4.7L Engine). 
  • Replace the spark plugs (3.7L and 5.7L Engines). 
  • Adjust parking brake on vehicles equipped with four-wheel disc brakes.
  • Inspect the brake linings; replace if necessary.
  • Inspect the CV joints.
  • Inspect exhaust system.
  • Inspect the front suspension, tie rod ends and boot seals; replace if necessary.
  • Change the automatic transmission fluid and filter(s).
  • Change the transfer case fluid.
  • Replace the accessory drive belt(s).
126000 210000 126
  • Change the engine oil and engine oil filter.
  • Rotate tires.
  • Inspect the front and rear axle fluid, change if using your vehicle for police, taxi, fleet, off-road or frequent trailer towing.
132000 220000 132
  • Change the engine oil and engine oil filter.
  • Rotate tires.
  • If using your vehicle for any of the following: Dusty or off-road conditions. Inspect the engine air cleaner filter; replace if necessary.
  • Inspect the brake linings; replace if necessary.
138000 230000 138
  • Change the engine oil and engine oil filter.
  • Rotate tires.
144000 240000 144
  • Change the engine oil and engine oil filter.
  • Rotate tires.
  • If using your vehicle for any of the following: Dusty or off-road conditions. Inspect the engine air cleaner filter; replace if necessary.
  • Inspect the brake linings; replace if necessary.
  • Inspect the front and rear axle fluid, change if using your vehicle for police, taxi, fleet, off-road or frequent trailer towing.
  • Inspect the CV joints.
  • Inspect exhaust system.
  • Inspect the front suspension, tie rod ends and boot seals; replace if necessary.
150000 250000 150
  • Change the engine oil and engine oil filter.
  • Rotate tires.
  • Replace the engine air cleaner filter.
  • Replace the top row of spark plugs (4.7L Engine). 
  • Replace the spark plugs (3.7L and 5.7L Engines). 
  • Adjust parking brake on vehicles equipped with four-wheel disc brakes.
  • Inspect the transfer case fluid.
WARNING: You can be badly injured working on or around a motor vehicle. Perform only that service work for which you have the knowledge and the right equipment. If you have any doubt about your ability to perform a service job, take your vehicle to a competent mechanic. Failure to follow these instructions may result in possible serious or fatal injury.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.