Identifying new models for human eye diseases By Sara Cassidy, M.S., Ph.D. Although it is difficult to measure the impact of chronic conditions like eye disorders, Prevent Blindness America estimates that eye disorders and vision loss cost $139 billion in 2013, placing these conditions among the most expensive health disorders in the US.
Curing deadly engine vacuum leaks. Vacuum leaks can be located with spray carburetor cleaner or a can of WD-40. If the area is obstructed by linkage or hoses, use an extension nozzle to pinpoint the area of the vacuum leak.
Now check the rack for leaks. If you see fluid dripping from the rack, the end seals are leaking and repairs are needed. If no leaks are found at the end seals, check the pinion input shaft seal and the hoses and pump. If a hose connection is leaking, you might be able to fix it by replacing the seals or O-rings.