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Thread: Diesel Truck Shiat - Per Cook's Request...

  1. #661
    Resident Ricer Sparling's Avatar
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    It's called a general electric module or GEM on these trucks and they do go bad with age or with a leaky windshield. Usually when those go though, the stuff just stops working, it doesn't leave a code. Does anything else in the truck like the dome lights not work?
    '91 Bronco 351w, ZF5, D44 TTB, 9" rear swap with disk brakes, 37" toyos, method wheels, mastercraft seats, A/C and heat

  2. #662
    Registered User DangerRanger15's Avatar
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    No everything works besides the 4WD. There is no indication on the dash that something is wrong but it does throw that code.
    -Andrew-

    1999 Cherokee crawler (The OD)
    2000 F250 7.3l (The tow rig)
    2006 KTM 625 SMC (The supermoto)
    2009 KTM 250 XC (The 2 smoker)

  3. #663
    Registered User DangerRanger15's Avatar
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    Played around with a multimeter and found out that I am not getting any voltage to my transfer case motor when I put the switch in the 4x4 position.....
    -Andrew-

    1999 Cherokee crawler (The OD)
    2000 F250 7.3l (The tow rig)
    2006 KTM 625 SMC (The supermoto)
    2009 KTM 250 XC (The 2 smoker)

  4. #664
    Old school badass Seth's Avatar
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    Fuse?
    Seth Stewart '04
    2000 Suburban DD
    1995 F150 SAS - Needs more work to sell
    1998 GMC pickup - sold
    2003 Yukon XL - wrecked/motor donor
    1975 Scout - TBD
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  5. #665
    Resident Ricer Sparling's Avatar
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    '91 Bronco 351w, ZF5, D44 TTB, 9" rear swap with disk brakes, 37" toyos, method wheels, mastercraft seats, A/C and heat

  6. #666
    Come and Take it BroncoJo's Avatar
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    What's the plan? just replace one piston?
    Born to Kill

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  7. #667
    Like my rock crawler? KrazyKarl02's Avatar
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    Is there also valve contact on that piston?
    -Karl
    2006 Chevy K3500 4X4 - No J.B. Weld on it yet!
    1982 thru 94 F-Series "The Klogger" AKA Transport on the road, on the trail, or on the trailer!
    1965 Chevelle
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  8. #668
    Resident Ricer Sparling's Avatar
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    Pretty much needs a whole motor. Cheap way out would be to sleeve this one cylinder, and replace all the pistons. I'm not sure what that would do for longevity. I'm glad it's not my truck
    '91 Bronco 351w, ZF5, D44 TTB, 9" rear swap with disk brakes, 37" toyos, method wheels, mastercraft seats, A/C and heat

  9. #669
    Resident Ricer Sparling's Avatar
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    It definitely looks like 2 valves got a little intimate with the piston.
    '91 Bronco 351w, ZF5, D44 TTB, 9" rear swap with disk brakes, 37" toyos, method wheels, mastercraft seats, A/C and heat

  10. #670
    Tommy sucks Sharpe's Avatar
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    How does that happen? Timing chain wear? Who's truck? 7.3L?
    On the 8th day god created the Super Swamper TSL and said "go forth and kick ass"

  11. #671
    Resident Ricer Sparling's Avatar
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    That's a 6.4 powerstroke. Timing is gear driven on a majority of modern diesels. This is the result of bad tuning, either written with too much timing or someone put a giant tuner on and just beat the **** out of it. This truck has 2 melted pistons and the heat marks on the rest were pretty close to melting.
    '91 Bronco 351w, ZF5, D44 TTB, 9" rear swap with disk brakes, 37" toyos, method wheels, mastercraft seats, A/C and heat

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