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Thread: Runnng low tire pressures

  1. #1
    murphy's Avatar
    murphy is offline Cadillac Owners Enthusiast
    Automobile(s): 2009 Cadillac Escalade Platinum
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    Dec 2008
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    Alberta,Canada
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    Runnng low tire pressures

    Recently I had my lade in for wheel balances..actually very soon after I purchased it (used). I suspect the shop checked and topped up the air pressures to spec. I always found it so rough and sharp over our roads which are just a mess...
    Yesterday it hit me to check the pressures from the DIC and I noticed wow ! 37-38 ish lbs. I thought no wonder it react so sharply to these divots so I tuned the pressures down to 35 hot (32 cold) and what an improvement in ride..amazing improvement ( not to mention the tires are probably 1/2 done)
    Any immediate risk or detriment running this reduced pressure around town ? If I hit the highway I'll top them up for improved mileage but now with this reduced pressure it rides more like a Cadillac instead of my Z06

    Last edited by murphy; 05-06-09 at 11:47 PM.

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  3. #2
    icejava is offline Cadillac Owners Fanatic
    Automobile(s): 2008 Escalade EXT
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    Re: Runnng low tire pressures

    Assuming you are running stock 22s, I would highly recommend running it at 35psi cold all the way around. 32 sounds little low. The risk factor might be small but you are going to have excessive heat and wear on your tires, which in turn leads to blow outs. But again, that risk is low. My DIC shows about 37psi hot.

    If you are running 18s, not sure what the recommended psi.

  4. #3
    hcvone is offline Cadillac Owners 10000+ Posts
    Automobile(s): 2012 Escalade, 2014 SRX
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    Re: Runnng low tire pressures

    I am at 35 lbs cold on my 22's, but on a 90 plus degree day I could easily get them up to 42 lbs, and needless to say the ride was very stiff, of course I don't drive like most , I filled them with 99% nitrogen and now I only get a 3 lb difference.


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