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  1. #11

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    The oil light is most likely caused by a bad oil level sensor, they are around $25. That sound on the right side does not sound good. Maybe, @j cat will get a chance to listen to the video and can help out on this one. He is very good with this kind of thing. Just out of curiosity have you checked your fuel pressure? You can borrow a fuel pressure gauge from almost any parts store for free. you might want to check it just to eliminate fuel delivery as an issue. The gauge simply screws onto a port on the driverside fuel rail on top of the motor.

    1995 Silverado 4x4
    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, Bilstein Shocks, Bilstein rear springs, Helwig Anti-sway bars, EGR Window Visors, EGR Hood Shield, Denali Headlights, Headlight harness upgrade, GE NightHawk Bulbs, White Night Rear lighting system, Russell Braided SS brake lines, PowerStop Brake pads, PowerStop cross drilled and Slotted Rotors, http://www.gmtruckclub.com/forum/sho...5-GMC-Yukon-XL
    2002 Silverado ext cab 2wd (Sold)
    2003 Yukon XL (Totaled)

  2. #12

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    Quote Originally Posted by Pikey View Post
    The oil light is most likely caused by a bad oil level sensor, they are around $25. That sound on the right side does not sound good. Maybe, @j cat can help out on this one. He is very good with this kind of thing. Just out of curiosity have you checked your fuel pressure? You can borrow a fuel pressure gauge from almost any parts store for free. you might want to check it just to eliminate fuel delivery as an issue. The gauge simply screws onto a port on the driverside fuel rail on top of the motor.

    Have not checked the fuel pressure but I'll look in to that.

  3. #13
    Legend

    Join Date
    Sep 2010
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    everett, massachusetts
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    1,316

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    I would check compression. also do a coolant pressure check ...head gasket / cracked head etc...my guess.

  4. #14

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    Quote Originally Posted by j cat View Post
    I would check compression. also do a coolant pressure check ...head gasket / cracked head etc...my guess.

    So its not guaranteed that there would be water in the oil or vise-versa with a blown head gasket or cracked head? Bc I am not experiencing either that I can tell. And can I borrow a compression tool from say Advanced Auto?

  5. #15
    Legend

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    Sep 2010
    Location
    everett, massachusetts
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    1,316

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    the heads and head gasket is one failure .. the other would be coolant leaking into the intake port.

    call autozone or another store for test tools.. get the coolant pressure tester..

    if you find coolant leak then the compression is good. check spark plugs for coolant..this will show a very clean plug as the water removes all carbon deposits..the plug will be the odd colored one..then this may be the intake gasket but some have had crack in the head with this..

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