Found this in the 13,000+ page 2019 Suburban service manual regarding the 5.3:
Minimum - Hot -
@ 1,000 RPM - 152 kPa (22 psig)
@ 2,000 RPM - 207 kPa (30 psig)
@ 3,000 RPM - 228 kPa (33 psig
Appears to be within spec.
2019 Suburban with the V4/V8 5.3. Truck has 75000 on it no issues to date. Noticed this week, where the oil pressure held at 40 psi, it now is holding at 35. When car is warmed up, dropping to around 25 at idle. No visible oil leaks and oil reads full. Is this a precursor to soon to be...
Never saw it again after it was turned over to the US Marshals in San Antonio. Was later told it was being used for "dignitary" transport in the D.C. area. I'm sure it was either auctioned off or disposed of a long time ago.
Prior to retirement, I spent 32 years in law enforcement, 25 of it as a special agent (investigator) with a government law enforcement agency. In 1996, a partner and I received information regarding a new armored 2500 Suburban that was being driven from San Antonio to an undisclosed location in...
Thanks for all the input on this question. Today, my 19 yr old daughter and I hooked the horse trailer to the Suburban to try it out for the first time. The Suburban drove just as smooth as it always does with the trailer behind it. A clear difference from the trailer beast of a 2016 Ram 3500...
Found these Cooper AT3 tires on Facebook for $300.00. Seems like a good price. I've heard the pros and cons to running 10 ply tires on 1/2 tons but looking for real word experience/opinions on putting them on Suburbans. I do tow a two horse trailer and spend time off pavement fishing and...
Looks like you guys are right. A little bit of google work and it appears to be a fleet management GPS tracker. I figure if I pull the fuse, Hertz won't be able to track me anymore. Thanks
While installing a trailer brake controller on my 2019 Suburban (prior rental vehicle) This electrical thing fell out from under the dash. The wiring looks like it follows the OBDII cabling up further into the dash. There's a 20 Amp fuse for it in the wiring. Nothing on the white barcode...
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