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  1. #1

    Default Newbie from the So Cal mountains!

    So yesterday I pulled the trigger on a new-to-me 1999 4x4 Suburban 2500. I live at 4,200 feet in the Tehachapi Mountains between Mojave and Bakersfield in southern/central California. I have been getting by without 4x4 for several years during the snow season, but over the summer we moved into a comunity that has a bad habit of requiring chains every time the snow flies. I also have 4 kids and one more on the way, so even though this won't be a daily driver, lots of seating is a bonus for me.

    I know the 5.7L is not the first choice for towing, but I may end up doing some anyway. My wife wants a travel trailer, and in the next few years I may endulge her. The problem may be finding one that can sleep 7 and still comes in under 7,000 pounds fully loaded.

    The only complaint issue I have with the truck is there is an oil leak at the front of the engine. I at first thought it was the front seal, but after poking around for a bit, I think the oil is coming from the intake manifold gasket. The passenger side of the engine has a pretty good coating of oil on it. Changing an intake manifold gasket is not beyond my mechanical skills, but I would like to make sure of the origin of the oil before I tear into the truck.

    Is there anywhere else on the front of the vortec 5.7l engine that could be leaking oil?

    C. Alan
    Somewhere in the Tehachapi Mountains (Central California)
    1999 K2500 Suburban 4x4, 5.7L, 4L80E transmission, 4.10 posi rear end, bone stock <-- The hauler
    2011 Prius II, the daily driver
    2006 Sienna, The Kid hauler

  2. #2
    Caddiac's Avatar
    Join Date
    May 2011
    Upstate South Carolina
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    Welcome aboard and congratulations on the Burb. A community that 'requires' chains when the snow flies? We have a place where we keep people that attempt to drive in winter weather conditions without the skills or the equipment. It is called the ditch so we do not need a requirement for chains LOL. If you have a lot of oil build up, I would get the engine cleaned and then inspect it after every trip to see if you can pin it down. Good luck!
    86 911 Porsche Carrera
    98 K1500 Suburban LT
    2012 Nissan Leaf

    ​General Motors.
    Because life is too short to drive a Ford

  3. #3


    Unfortunately, I think the ditch would be a far better place for a lot of drivers around here in snow, or dry weather for that matter. However, it seems to be the west coast mentality that Mother California must save you from yourself.

    Back on topic: The leak from the front looks like it has been going on a while, and it has soaked part of the front suspension in oil. I may have to take it down to the car wash this weekend and try to clean it off.
    --C. Alan
    Somewhere in the Tehachapi Mountains (Central California)
    1999 K2500 Suburban 4x4, 5.7L, 4L80E transmission, 4.10 posi rear end, bone stock <-- The hauler
    2011 Prius II, the daily driver
    2006 Sienna, The Kid hauler

  4. #4

    Red Z71 Max's Avatar
    Join Date
    May 2011
    Myrtle Beach, SC
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    Welcome to the Club!!

    (Scott) Myrtle Beach, SC
    January 2012 ROTM WINNER
    2011 GMC Sierra Z71 MAX 6.2 L w/ Trailering Package
    Rough Country, XD Rockstars, Nitto Trail Grapplers, N Fab, Lund Genesis, Putco, Gator Grip,
    Flowmaster 40 series, Diablosport InTune, Banks Ram Air CAI,
    WeatherTech, AVS Aeroskin, Tow Mirrors,

  5. #5


    Welcome to the G M T C ! The "350R" engine had a problem with gasket leak at the back of the intake manifold, but I'm not aware of any others. You might want to post in the "tech' forums" for more ideas.

    2010 Z/71 Colorado C/C
    Black 4X4 w/5.3L V8
    2007 Winnebago Adventurer
    w/8.1L Chevy & Allison 6spd.
    Canyon Lake, Texas

  6. #6
    murdog94's Avatar
    Join Date
    Feb 2008
    Cloquet, Minnesota, United States
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    Welcome aboard!


    1997 Chevy S-10 Blazer 4X4 with 330K miles and counting (Hunting rig).

    2009 Saturn Aura XE (wifes car)

    2011 F-150 Crew 4X4

    "Hold it to the floor till you see God.... Then Brake!!!!"

  7. #7


    Welcome to the club and congrats.

    Bobby - North Carolina
    2008 4x4 5.3L V8
    6" Suspension Lift and 1.5" Body Lift
    20x9 Ballistic Jesters w/35" Toyo Open Country MT's & 1.5" rear wheel spacers
    4:56 Yukon Gears
    Hypertech Speedometer Calibrator
    Baja style bed mount spare tire carrier
    Flowmaster 40 series dual exhaust
    Recon Smoked LED tails/3rd brake lights/black projectors w/switchback LED's in the corners
    N-Fab Nerf Steps
    K&N CAI
    No Fear Pedals
    Tint, Line-X bedliner, Window visors, Rear wheel well liners
    Painted front grill, bow ties and door badges, de-"lettered" tailgate
    Powder coated front and rear bumpers

  8. #8
    Legend Bigbomber's Avatar
    Join Date
    Feb 2010


    Welcome to the site!
    [/SIGPIC]2009 Chevy Silverado LT 1500 EXT CAB 4X4 Vortec 4.8L SFI,K&N air filter,Weathertech Floor Liners ,Weathertech Stone/Bug Deflector, Line X Spray On Bedliner, TruXport Rollup Tonneau Cover, Molded Mudguards, Viper 5701 LE 2 way Security Alarm/Remote Starter, Xm Satelite Radio,BILSTEIN 5100 rear shocks,BILSTEIN 5100 front levelling shocks,READYLIFT 2" rear lift blocks,Goodyear Wrangler Territorys -265/70R 17"

  9. #9
    Master Mechanic silverhobey's Avatar
    Join Date
    Oct 2010
    Cobourg, Ontario, Canada
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    welcome to the club/site ............hope you find lots !!!
    Silverado Crew.....4.8 L

    ---Pendaliner BoxLiner and Side Rails....Van and Truck World
    ---Reese Adjustable Step Down Trailer Hitch....Van and Truck World
    ---PUTCO chrome eyebrow Mirror Covers.... Van and Truck World
    ---PUTCO chrome Bowtie 3rd Brake Light Cover....Van and Truck World
    ---DeeZee TailGate Assist ....Van and Truck World ( now Action Car and Truck Accessories )

    ---Westin Series side steps....Apple Auto Glass
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    ---Chevrolet Bowtie Mudflaps...GM Dealer
    ---GM Rear Wheel Well liners...GM Dealer
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    ---GM Chrome Tailgate Handle/matching key-lock....GM Dealer
    ---GM Driver Information Center Upgrade...GM Dealer
    ---GM Front Tinted Bug Deflector...GM Dealer
    ---GM Chrome Door Handles....GM Dealer

    ---Better Built rear hitch step .... Lowe's !!!
    ---AVS Window VentVisors...Canadian Tire
    ---AVS tinted License plate covers....Wal-Mart

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