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    275-55-20 OEM tires in the snow

    i had Alenza's on my LTZ. Dry rotted and cracked to shart with only 50,000kms on them (09 build). They were fine in 4 winters i used them. Just replaced them with 275/60R20 AT tires and so far i am happy with them.... I plan to NEVER purchase another Bridgestone/Firestone tire....
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    Avy LTZ w/ RC 2" Level, Autoride/Level not working....

    update; compressor fixed my issue. All seems to be working well; however i have noticed that it seems that my truck ride height; particularly in the rear isn't the same from the left side to the right.... Anyone else ever notice this ? I would have to get out the tape measure but it might be as...
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    RC 2" with 275/60/20

    I'm running 275/60R20 with the RC 2". no rubs; no issues. 09 Avalanche LTZ
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    Tire size with 2" level

    Yes. You will be fine.... 09 Avalanche LTZ, 20" wheels; I'm riding 275/60R20 tires. Rough Country 2" block. No rubs, no issues.
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    Two Left (Driver) Side DL3 Mirrors

    heated as well? My driver's side mirror heated function is shot on my 2009. Maybe i can just pop the glass and swap it into my housing?
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    Avy LTZ w/ RC 2" Level, Autoride/Level not working....

    UPDATE: Popped off the front sensor rods of the sensor and manually set them 1-2" higher to simulate extended rods. Turned the truck on; nothing. Just a click. Took the truck into the dealer after reconnecting the rods and they had a look at it. Compressor was shot. Covered under my warranty...
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    2009 Suburban sags bad when towing-what can help?

    is it auto level on the back or leaf? Chum of mine hauls a trailer with his 2010 Sierra with 4 cords of wood in it and he added helper bags for the weight. No more sag; he said they were pretty easy to install....
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    CCM + stock 20in = what tire?

    I've just got 2" up in the front, have a valence and mudguards. I have OEM 20's with 275-60-20's. Zero cut, zero rub. I know you can get a 305/55/20 in there, but it will take cutting.... and a 55 series is pretty thin. 285/60/20 is around 34". Again I'm sure trimming will be a must but there...
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    Avy LTZ w/ RC 2" Level, Autoride/Level not working....

    thanks. Found a thread by Marioski where it sounds like he was having a similar issue. He was going to try extending the sensor bars or adding a lift block to the rear but the thread was never updated.... His compressor still ran though... i tried to PM him but I'm not allowed yet because...
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    Avy LTZ w/ RC 2" Level, Autoride/Level not working....

    hoping changing the height rods for the front sensors will get me up and running. i would just send it back to them tomorrow but if this is the problem i will be out the diagnostic fee and it still won't be functional... When i start the truck i still hear the same audible click at the rear...
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    Avy LTZ w/ RC 2" Level, Autoride/Level not working....

    i think my next step is going to be to remove the front height bars and make them longer, see if that fixes it.... they are plastic, the metal is rusted and they are a PITA to remove....Maybe i can buy new ones from dealer? Surely the dealer would have made sure the compressor works when they...
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    Avy LTZ w/ RC 2" Level, Autoride/Level not working....

    I'm going to pop out there and see if it kicks on. ---------- Post added at 09:20 PM ---------- Previous post was at 09:12 PM ---------- Nope. Didn't run. Rear end seems as though it is sitting lower than the front. tried standing on the bumper to weight it. Nothing. ---------- Post added at...
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    Avy LTZ w/ RC 2" Level, Autoride/Level not working....

    update: harness was broken off in one of the rear shocks, required new harness and shock. Dealer/GM subsidized the cost so i paid 1/2 the bill. Ive been told its working now. Wife picked it up on the way home so i haven't driven it. Does the compressor run at every startup? Or just after a...
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    Avy LTZ w/ RC 2" Level, Autoride/Level not working....

    update: Tried jumping the light blue wire on the pump. Compressor did not run. i now have the Check air suspension message on the DIC (no message before). Guess its going to the dealer after all......
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    Avy LTZ w/ RC 2" Level, Autoride/Level not working....

    i just jacked the rear end up thought maybe i could use jumpers to test the pump but its way too crowded in there; id have to remove it.... tried starting the truck on the jack cause its all of kilter to see if the compressor would kick on, it did not...
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    Avy LTZ w/ RC 2" Level, Autoride/Level not working....

    Hello all; I know I'm not driving a Yukon or Tahoe but i was hoping some of the knowledgeable users here could help me out since there is so much info here. I used the search and poked around; however need further guidance hence the post.... Some are saying their install is working...

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