Jeep Wrangler 1996 4.0 petrol service and maintenance

Engine oil

Engine oil capacity: 5.7 litres (6 quarts)
Oil change interval is 10,000 km or one year, whichever comes first.
Recommended oil type (Oil Viscosity Classification SAE) is 5W-30

Air filter

Replacement interval for the air filter is 20,000 km.
After prolonged driving in particularly dusty conditions, it is advisable to check the condition of the air filter earlier and replace it if the filter is visibly dirty.

Spark plugs

Recommended spark plugs change interval is 45,000 km.

Engine coolant

Engine coolant (antifreeze) recommended replacement interval for Jeep Wrangler 4.0 petrol is 120,000 km or 10 years, whichever comes first.

Gearbox oil change

Jeep Wrangler automatic transmission oil change interval is 50,000 km, the gearbox oil filter must also be changed at the same time as the oil.
Gearbox oil specification is Mopar ATF+4 (MS-9602). Gearbox oil capacity is 7.6 litres (8 quarts).

Transfer case oil change

Transfer case oil change for Jeep Wrangler 4.0 petrol is recommended every 50,000 km.