That is maintenance schedule that we thought would be the best for a Jeep XJ that is being maintained by its owner, meaning, You don’t have to run to your dealer every week for the weekly check and most of the checks/tasks that are represented here can be done by the owner.
Engine oil level
Break fluid level
Tires visual inspection and tire pressure.
Check the coolant hoses, look fir dry hose/leaks.
Every 10,000 km or 1 year (whichever comes first):
Change oil and oil filter
Change the air filter
Check the transmission fluid level
Check power steering fluid level
Check the battery and cables (clean if needed)
Check the water pump (visual inspection only, look for leaks)
Remove the wheels and check the breaks – replace if needed.
Inspect the suspension parts – bushings, control arms: look for cranks/play.
Check the transfer/differentials oil level and oil condition (make sure the oil is clean and no water joined the party 🙂 )
Check the engine belt tension and the engine belt itself, replace if needed.
Every 50000 km or 2 years (whichever comes first):
All of the above plus:
Replace automatic transmission oil and filter
Replace manual transmission oil.
Replace transfer and differentials oil
Replace the fuel filter
Replace the coolant (if your radiator is more than 5 years old and has the plastic tanks, it would be a good idea to replace it as well)
Replace the spark plugs
Inspect the spark plug wires and distributor cup (for XJ’s before 2001), replace them every 100000 km – or before if needed.
Engine oil: for most of the weather conditions, 10W-40 will fit, if you live in extremely cold area, you may want 5W-30., anyway, it should be SF,SF/CC,SF/CD or SF/SG type.
Auto transmission oil: I used Mopar ATF for the AW4 transmission (Mercon ATF)
Manual Transmission: SAE 75W-90 GL-5 gear lubricant.
Differentials: 80W-90 GL-5 gear lubricant (if your rear diff is equipped with the limited slip, you should add 2 oz. of Friction Modifier additive.
Transfer case oil: Dextron 3 ATF.
Break fluid: DOT 3.
Clutch fluid: DOT 3
Power steering fluid: Jeep power steering fluid or equivalent (I used Dextron 3 ATF for 10 years…)