I would recommend a good station dissaldante
Is the hair dryer from the car repair shop is fine but you must not overdo it and then slowly make the lever without inserting too the screwdriver and a little at a time, pull off, however, the eyes not to generalize why? ecu's are not made all in the same way
With a hair dryer from carrazzeria go well, there is no need to cut the sealant is from the se but be careful, do not heat too much in the hand, the excessive heat may harm