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Grabbed the old Napa/Cardone unit. Found the QA/QC paperwork for the current Edelman in the vehicle. My understanding is it tested to nearly 1.45K PSI. No point in trying to mess with PSI on it, that's really the most we should ever need. I still have yet to create the hard steering symptoms...

I spent some time last night trying to re-create the hard steering issue on concrete in the shop and couldn't! No matter if i was on the brakes or not. I think some type of correlation discovery would help solve this better. Going forward I will try to be more cognizant on when it happens and...

I agree. I wished I grabbed the PS pump from the Yukon that I got the clean gearbox from. Unfortunately, they already scrapped it per my last walk. I also need to do some RockAuto part number cross referencing to see if regular vacuum boost trucks have the same pump as a hydroboost truck. I do...

I am trying to get to the bottom of an on-going issue I've had for several years with my 05 Yukon XL. It is mostly pertaining to power steering effort while the vehicle is moving very slow or stationary. Specifically navigating parking spaces, parallel parking, at idle, etc. I have very little...

Box is ready for install, cleaned up well.

I wish it was closer, I'd pick it up for a project.

Confirmed. I actually spent some time yesterday counting rotations lock-to-lock as I struggled a bit to get the old pitman arm off. Its about 3.25 rotations total. I split the difference and marked it on the case and input shaft. I "should" be in the ballpark. Typically when I disconnect the...

Got the JY steering box cleaned up and first couple coats on. Might just leave it gray as thats what I had on the shelf.

I might have a spare RSE panel from a Tahoe we scrapped years ago. Maybe I will give it a try. I got the Mic installed up by the rearview mirror for the Bluetooth and it works excellently. I also installed the PAC RCA noise filters and they do combat much of the "whine". Even with the RSE...

Took advantage of the warm weather today and washed the cars.

Yes, I will definitely do that. There was a name for it I saw through all my searching but it has completely escaped me. I did also remove some of the electrical tape to try and peel the speaker wires further from the speaker wires. And ultimately, your right. There could be an underlying issue...

The whine has always been there when selecting the XM radio function with the OEM HU. Normal radio, it wasnt there before. Now with the aftermarket radio the whine is across all sources BT, radio, and Aux. I think I am going to try an InstallBay 30A noise filter on the incoming power to the...

Spent some time really trying to put together wiring diagrams for the audio system. Just really trying to understand its grounding system more than anything. Its so tough to find any decent wiring diagrams without some type of expensive subscription or a sweet set of original GM documents (not...

Ah, 10-4. I read that wrong.

I would assume its all internal, I think that's the case on a GMT800. The alternator is newer (3-years old) as I replaced it in a precautionary manner back when I got the Yukon. I actually have an old spare alternator in the basement for a backup. Would it be worth trying to unplug the...

We got blitzed again this morning. Another good 6-inches.

Update. The ground wire trick did NOT work. Still lots of RPM noise in the speakers. I just purchased some PAC RCA inline noise filters which should be here Saturday. So annoying, not a fan of the bose setup. I should try and bypass the amp to see if it works, but I know ill miss the amp and...

Performed the grounding trick, we will see if it improves anything. My backup plan is to get true RCA filters from PAC. Stripped a small piece of wire, wound it tight, and wrapped it accordingly between some local screws. Swapped out my junk Duralast universal plug wires and installed a nice...

Welcome! Always interested in pics!

Yes it does, and I've actually replaced that because it was making noise. Maybe 2-3 years ago IIRC. Good thought though. This noise is definitely coming through all door speakers when radio is on, doesn't matter the source. Since its the door speakers I know those go through RCA connections so...