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Thread: Close Call!

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  1. #1
    Join Date
    Sep 2010
    Location
    North East Ohio
    Posts
    278

    Close Call!

    So I got my gears in and about 500 miles on them. I decided to take it on the freeway yesterday and see what it has off the line now. Everything was going good since I the traction light kept flashing.... I get up to about 80 when I let out of it and start dropping back to cruising speed. I check my mirror and smoke starts pouring out from under truck like there is a leaf fire. I get the brakes hard and pull to the berm and hop out. Trans fluid is pouring out by the bell housing. At this point I am pretty concerned and called AAA to get the truck home. I get under the truck and started to look for a hole in the case even though I didnt hear any sounds when it happened. I found the Pressure line for the cooler came out from the transmission and was the source of the leak. Now I am going to convert everything over to -AN braided line and hoping since I was on decel and stopped within 20 seconds of seeing smoke I didn't wipe out 3-4... Truck has about 30k on it so I will use this time to pull the pan and change the fluid.
    2010 Silverado 4.8 Ext Cab 4x4
    Cam, Stall, 4.88's

  2. #2
    Join Date
    Apr 2011
    Location
    East Texas
    Posts
    508
    Damn. Lucky it didn't burst into flames. Hot tranny fluid is like gas on a fire!

  3. #3
    Join Date
    Sep 2010
    Location
    North East Ohio
    Posts
    278
    When I had to call my wife and told her I though I just blew the transmission in my truck I was actually hoping it would catch fire. LOL.... I would of started over with a 6.2
    2010 Silverado 4.8 Ext Cab 4x4
    Cam, Stall, 4.88's

  4. #4
    Join Date
    Dec 2006
    Posts
    4,033
    believe it or not i know the feeling you went through, it happened to me on the same 4l60e im running today, was on I10 heading home from baytown when the transcooler line blew off when i hit the gas peddle, best damn smoke show i ever been to lmao!!, had a few miles to go before the first store made it in and they didnt have enough fluid ( damn ) it was barely showing on the stick, didnt have a choice limped it another mile or so to another store, bought all there fluild ( 14 quarts total ) cheap chit at that, ran it for a month drained it and added some advance special shes still running today behind my 408


    best of luck hope nothing inside went wrong !
    Simple: 408 on steroids!
    single digits coming soon!

  5. #5
    Join Date
    Sep 2011
    Posts
    1,235
    My truck when up in flames one day when some tranny fluid shot out the dipstick tube and hit the turbo manifold . I got it put out before it done to much damage. Talk about a panic attack!
    99 rcsb silverado...... boosted.

  6. #6
    Join Date
    Sep 2010
    Location
    North East Ohio
    Posts
    278
    I got all the lines except one made up since I was short one fitting. I pulled the pan last night and the fluid was just above the top of the filter. It pumped out enough that I didn't get the usual shower. I drained it into new foil roasting pans so I could look for carnage but couldn't feel any grit and the color was still bright red.

    I did notice there were a few bolts that hold the valve body in had some very small amounts of metal magnetized to them. Not sure if this was from standard wear or if i should be worried.

    Here are a few pics of the of the Braided setup. BTW anyone looking to do this NNBS uses -6 straight cut O ring into the transmission and coolers. Don't convert the radiator cooler fittings since they have a large washer that seals the trans cooler to the radiator end tank and holds in the fluid.... Don't ask how I figured this out..

    Untitled by Badger009er, on Flickr

    Untitled by Badger009er, on Flickr They are not as close to the header as this angle suggests

    Untitled by Badger009er, on Flickr

    Bracket and isolator clamps I put in to hold the lines still by the bellhousing
    Untitled by Badger009er, on Flickr

    Untitled by Badger009er, on Flickr

    Untitled by Badger009er, on Flickr

    Untitled by Badger009er, on Flickr

    Untitled by Badger009er, on Flickr

    Untitled by Badger009er, on Flickr
    2010 Silverado 4.8 Ext Cab 4x4
    Cam, Stall, 4.88's

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