I lowered my 18 Suburban Premier with Belltech 1019 kit, 2" in the front and 3" in the rear. I also installed Hellwig front and rear swaybars, they make a difference but it is still a 19' long, 6000lb truck with a solid rear axel.
Magnetic ride control and air leveling are two diffrent things on these trucks. Since you bought a Denali you have both of them. Do some google searches and you will find your answers.
As to lowering there are few ways of doing it, see the sport suspension section...
I did mine few years ago with the Belltech 1019 kit and I don't remember seeing aluminum ones back then. Maybe someone makes them but I have not seen any.
I fund the break in the wire. It was right above the rear most cross member where the harnes splits into two legs, one leg goes to the SCM. The vibration against the cross member wore through the cloth wrap tape and the wire, 5V signal to the front leveling sensor. I still need to do the MRC...
2018 Suburban Premier
I need to trace the wires since I don't have 5V Reference a the LF connncetor pin 1, the other 3 sensors have 5V reference voltage and the low and high readings change when the arm is moved. I opened the wiring loom above the spare tire that goes into the SCM and I did not...
Does anybody have the Suspension Control Module (SCM) wiring diagram and routing. I have a C0615-06 - Left Front Acceleration or Position Sensor Circuit - Low
Voltage/Open code and no 5V at #1 pin in the B152LF Suspension position sensor - left front. I need to trace the wires from the sensor to...
Last night I did the brakes all the way around plus brake fluid flush. Got 71K miles on the fronts and they were done, inside pads were to the wear indicators, outside pads were about equal thickness to the inside pads. All front pads had some cracking and separtion but no vibration at all...
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