There is no one definitive answer to this question as it depends on the specific hood lift support that you are using and the specific techniques that you are using to fix it. However, some tips on how to fix a hood lift support include using a plunger to push and pull the support out of the way, using a vacuum cleaner to suck the dust and debris out of the support, and using a torque wrench to tighten the screws to hold the support in place.