Review on 🔧 ACDelco GM OEM Power Steering Pump - Part Number 15909832 by Doug Hook

2005 Yukon Denali XL 6.0 AWD: Exact same pump in AC Delco OEM box with some PS fluid sealed in the bag. I just removed the pulley from the old pump and reinstalled it on the new pump. Filled and started with Red Line Synthetic PS Fluid. Slight cavitation on first start but quickly went away. Everything was fine for the first few days, even with 110-degree weather. My old pump made loud howling noises at higher temperatures and the PS started to freeze. I'll check back in a few weeks. BTW the cap that was delivered was a bit loose so I used my old one instead to ensure a snug fit.