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Thread: How to remove the front drive shaft from a NP 246 transfer case.

  1. #1
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    Default How to remove the front drive shaft from a NP 246 transfer case.

    Do you cut the clamps on the rubber boot and slide it apart?

    Does anynody have any pics &/or instructions for removing the front drive shaft from the NP 246?
    98 GMC Suburban 2500 6.5 4x4 235,000 mi, FS2500, new timing chain, gears, Fluidamper & remote PMD, braided stainless oil cooler lines

    96 GMC 6.5 Suburban 1500 4x4 240,000 mi; Amsoil bypass & remote transmsision filters
    new timing chain, gears, fluidamper & remote PMD, braided stainless oil cooler lines

    95 Tahoe 2 door 4x4 6.5 240,000 mi;
    Stainless mandrel 3" exhaust, Amsoil Bypass filter, new timing chain, gears, Fluidamper, transmission, 3.73 rear end & remote PMD, braided stainless oil cooler lines

    1989 GMC Sierra 2500 2wd 5 spd get-rag trans had 108,000 mi. in 92 when the odometer broke. 7-800,000 miles on the truck. Installed a GM crate 6.5 non-turbo & FS 2500 in 2000 about 400,000 miles on the motor
    new timing chain, gears, Fluidamper & IP
    locked up and sold.

    95 Chevy C2500 xtra-cab 2wd 6.5 240,000 miles, remote PMD

    91 international 4700 low pro, spicer 6 speed, DTA 360 with 18' van box 500,000 miles plus.

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  2. #2
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    Cut the clamp then use a wire tie to replace it after you reassemble it.
    93 Chev 2500 4x4 HD Ext Cab Fltsde Pickup
    6.5 turbo mechanical injection F
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    Gibson 3" Exhaust & new crossover
    Rebuilt Inj Pump, New Injectors @175,000 miles

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    Default

    The clamp closest to the transfer case?
    98 GMC Suburban 2500 6.5 4x4 235,000 mi, FS2500, new timing chain, gears, Fluidamper & remote PMD, braided stainless oil cooler lines

    96 GMC 6.5 Suburban 1500 4x4 240,000 mi; Amsoil bypass & remote transmsision filters
    new timing chain, gears, fluidamper & remote PMD, braided stainless oil cooler lines

    95 Tahoe 2 door 4x4 6.5 240,000 mi;
    Stainless mandrel 3" exhaust, Amsoil Bypass filter, new timing chain, gears, Fluidamper, transmission, 3.73 rear end & remote PMD, braided stainless oil cooler lines

    1989 GMC Sierra 2500 2wd 5 spd get-rag trans had 108,000 mi. in 92 when the odometer broke. 7-800,000 miles on the truck. Installed a GM crate 6.5 non-turbo & FS 2500 in 2000 about 400,000 miles on the motor
    new timing chain, gears, Fluidamper & IP
    locked up and sold.

    95 Chevy C2500 xtra-cab 2wd 6.5 240,000 miles, remote PMD

    91 international 4700 low pro, spicer 6 speed, DTA 360 with 18' van box 500,000 miles plus.

    NRA Life Member for over 30 years
    Vote Freedom First

    1994 chev K3500 crew cab SRW 5 speed 4x4 230,000 miles
    PMD with heat sink. FS2500 bypass filter, The engine oil cooler lines are not leaking, Knock wood

  4. #4
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    Any I've seen, you take the 4 bolts out of the flange on the transfer case and the 4 bolts out of the yoke on the front differential.Compress the shaft by prying it out of the front diff. No need to take the shaft apart.
    Barry



    I am not on the Heath Bandwagon

  5. #5
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    Quote Originally Posted by bk95td View Post
    Any I've seen, you take the 4 bolts out of the flange on the transfer case and the 4 bolts out of the yoke on the front differential.Compress the shaft by prying it out of the front diff. No need to take the shaft apart.
    This must be a 1998 and newer thing or 246 transfer case specific. no bolted flange from the transfer case. All the other transfer cases I had were as you described.

    My newest service book is a 1996 so it didn't show anything applicable.

    Why do they take something that works and change it?
    98 GMC Suburban 2500 6.5 4x4 235,000 mi, FS2500, new timing chain, gears, Fluidamper & remote PMD, braided stainless oil cooler lines

    96 GMC 6.5 Suburban 1500 4x4 240,000 mi; Amsoil bypass & remote transmsision filters
    new timing chain, gears, fluidamper & remote PMD, braided stainless oil cooler lines

    95 Tahoe 2 door 4x4 6.5 240,000 mi;
    Stainless mandrel 3" exhaust, Amsoil Bypass filter, new timing chain, gears, Fluidamper, transmission, 3.73 rear end & remote PMD, braided stainless oil cooler lines

    1989 GMC Sierra 2500 2wd 5 spd get-rag trans had 108,000 mi. in 92 when the odometer broke. 7-800,000 miles on the truck. Installed a GM crate 6.5 non-turbo & FS 2500 in 2000 about 400,000 miles on the motor
    new timing chain, gears, Fluidamper & IP
    locked up and sold.

    95 Chevy C2500 xtra-cab 2wd 6.5 240,000 miles, remote PMD

    91 international 4700 low pro, spicer 6 speed, DTA 360 with 18' van box 500,000 miles plus.

    NRA Life Member for over 30 years
    Vote Freedom First

    1994 chev K3500 crew cab SRW 5 speed 4x4 230,000 miles
    PMD with heat sink. FS2500 bypass filter, The engine oil cooler lines are not leaking, Knock wood

  6. #6
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    the setup is basicly the same as far as i know,the 98 could be the same on both ends(no flange)
    98 GMC 2500 HD 6.5 F auto ext 4x4 engine rebuild at 268.000 km,Provent Oil seperator,Vacpump deleted,TM,all gauges,5th wheel.currently at 307.000 km
    95 GMC 2500 6.5 F auto ext sh bx 4x4 ,relocated PMD,OPS,extra glow and aux LP manual switch.In cab fuel gauge.CDR vented at 307.000 km to the atmosfeer.presently 405.000 km
    Wife's d dr.Soon to have pyro,boost,chip and TM
    89 GMC 2500 6.2 auto ext 4x4 relocated OPS 700.000+ KM denoted to ranch duty.
    95 chevy 2500 6.5 F st ext .parts truck .
    2 spare 6.5 F blocks,
    1 is a powerup project, the only 506 block in existence with no outer main cap bolt holes.

  7. #7
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    Quote Originally Posted by jrsavoie View Post
    The clamp closest to the transfer case?
    Doesn't matter. Your choice.
    93 Chev 2500 4x4 HD Ext Cab Fltsde Pickup
    6.5 turbo mechanical injection F
    4L80E 410 locker rear
    Gibson 3" Exhaust & new crossover
    Rebuilt Inj Pump, New Injectors @175,000 miles

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