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  1. #1

    Default 05 yukon xl oem thermostat temp

    does anyone know what the thermostat temp for a 05 yukon xl 5.3L flex fuel is? I have looked at some part stores and seen 187 F, 186 F, 180 F, 190 F. Any ideas which one is correct?
    Last edited by Pikey; 03-18-2013 at 01:37 PM.

    1995 Silverado 4x4 (Sold)
    6" BDS Suspension Lift-3" Body Lift-Add A Leaf in rear -Trailmaster SSV Shocks-Duel Steering Stabilizer Kit -AirAid Cold air intake-
    4.56 Gears with Detroit Auburn Locker-Pro-Comp Traction Bars with duel shocks-Aluminum Skid Plate Kit-38.5" x 16.5" Mickey Thompson Baja Claws-Constant Dropping fuel gauge

    2005 Yukon XL Jet Power Programmer, EGR Window Visors, EGR Hood Shield, Denali Headlights, HIR1 9011 Bulbs, White Night Rear lighting system http://www.gmtruckclub.com/forum/sho...5-GMC-Yukon-XL
    2002 Silverado ext cab 2wd (Sold)
    2003 Yukon XL (Totaled)

  2. #2
    Master Mechanic
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    Feb 2010
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    Middle TN, displaced Okie
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    Default

    Most vehicles have a stock thermostat temp of either 190 or 210. I would lean towards the 190 based on the options you have to choose from. I want to say my Vortec 350 was 190 but it's been almost 4 years since I've owned it so I'm not certain on that.
    93 Suburban (Southern Slayer): TBI 350, 4L60E
    73 Z28 Camaro: L82, TKO 600

    KJ4CLI



    "...Death smiles at us all, all a man can do is smile back..."

  3. #3

    Default

    I did some research today. It looks like it calls for a 187 degree t-stat.

 

 

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