Review on 🔧 ACDelco GM Original Equipment Fuel Injection Pressure Regulator Kit (217-1582) – Complete with O-Rings for Optimal Performance by Jay Aukuso

I replaced the vacuum hose that came with it so I figured why not replace that as well, my 2002 Yukon XL Flex Fuel 5.3L has almost 184,000 miles It was a perfect fit , no leaks. There is no new bracket in the kit, which is not critical. The order of installing the seals (large and small) is as follows: first nylon, then rubber o-ring. Lubricate the O-rings with engine oil or cylinder grease before installation. I have a special o-ring grease that a colleague gave me to work on his Audi and I used it. I checked the fuel pressure before and after installation, that part didn't matter, but at least I shouldn't worry about it any time soon.