the turbo seals are located in the turbo core ,, ,, ,, you need to remove the compresser houseing and exhaust houseing which should leave you with compresser wheel exhaust wheel and core ,, you need to remove the compresser wheel which should allow you to slide the main shaft and exaust wheel out check for damage on the shaft (ive had them on cossys turbos where the shaft breaks ) ,, dont forget to get a service kit which will have everything you need in ,,, good luck ant