TECHNICAL SERVICE BULLETIN: SERVICE ACTION: OIL FILTER AND COOLER HOUSING O-RING GASKET REPLACEMENT (SA500) - This bulletin provides information to replace the oil filter and cooler O-ring gaskets on some 2022MY Carnival (KA4) vehicles produced from September 27, 2021 through January 27, 2022, which may exhibit oil leakage due to poor sealing of the oil filter and cooler assembly O-ring gaskets.