Will this pump connect to my existing washer hose and reservoir?

Yes. This is a direct replacement — it uses the same connection points and hose diameter as the factory pump. No adapter or modification needed.

What if the spray is weak or uneven after installation?

Check for kinks or clogs in the hose lines running to the jets, and confirm the reservoir is filled. If lines are clear and fluid level is good, the pump may need a second test cycle to prime fully before spray normalizes.

Do I need to drain the reservoir before swapping the old pump out?

Recommended. Removing as much fluid as possible first prevents spills during pump removal and makes the swap cleaner. You don't need to empty it completely, but less fluid makes the job easier.