This is what is recommended for most Duramax power steering pumps, I have used ATF but have switched to it, yes it is expensive but the pump is quieter and don't cry like that I'll use this.
Genuine Honda Fluid 08206-9002 Power Steering Fluid - Superior Performance in a Convenient 12 oz. Bottle
8 Review
🔧 Niteo Motor Medic M2714H/6 Power Steering Fluid for Honda and Acura - 12 oz., with Stop Leak & Conditioner
6 Review
🔧 TRIAX Powerfluid 450: Lifetime Fill Power Steering Fluid, CHF 11S, CHF 202, CHF 7.1 for European Cars | OEM Grade | Hydro-Pneumatic Suspension (1 Quart)
7 Review
🛢️ ACDelco GM OE 10-4017 Auto-Trak II Transfer Case Fluid - 33.8 oz
9 Review
🔧 Permatex 80071 Anti-Seize Lubricant - Enhance Engine Optimization with this Bottle
8 Review
💪 Powerful Liquid Wrench L116 Penetrating Oil - 16 oz.: Superior lubricant for efficient maintenance and repairs
8 Review
Copper Anti-Seize Stick by Loctite - 20-Gram Size
8 Review
Anticorrosive coating / Anticorrosive Defender Auto 150 ml. (Transparent)
24 Review