4.8 Service procedure Maintenance Every 1000 hours service Clean transfer case breather 1. Remove cover (1). GK032289 1 2. Remove the mud and dirt from around the breather (2), then remove breather (2). 2 After removing the breather, take steps to prevent dirt or dust from entering the mount. 3. Soak the breather (2) in washing liquid and wash it. GK032290 WA150-5H – VEAM934100 4-57