Snapped the U bolts and yolk on NP205 - The 1947 - Present Chevrolet & GMC Truck Message Board Network

72truckman · 09-15-2011, 03:06 AM

Power shifted into second gear yesterday, BANG. Broke the ubolts holding the ujoint to the yoke and really screwed the yolk up. Ill get some pics soon. Pulled the drive shaft and drove home in 4wd.

Anyone done a yoke on an NP205? any tricks/tips?

79k30dually · 09-16-2011, 08:32 PM

Remove the nut, change the seal, install yoke, torque new nut, check fluid. good luck, Ron.

EFI70Blazer · 09-18-2011, 01:11 AM

Yep, broke mine too. Just simply remove the nut and the yolk comes right off. Mine broke half the yolk off of the transfer case and the one on the rear end broke an ear off at the same time. I just had to pick up my driveline put it in 4 wheel drive and drive off. No unbolting needed. I think i may need to upgrade these in the future.

BlazinC5 · 09-21-2011, 12:23 AM

Had that happen to me a few years back too. Bad part I was 2 miles across town and in a parking lot so the drivline was still hanging to the rear axle. And Just before I left my house I looked rite at my lil tool kit I had pulled out of the back of the blazer when I cleaned it out. Thinking Awww, what are the chances, I'll be rite back... Yeah, well after walking home in 90 deg heat and getting my neibor to give me a lift. I took the drivline off and limped home on the front..

09-15-2011, 03:06 AM	#1
72truckman Registered User Join Date: Mar 2006 Location: San Ramon, California Posts: 276	Snapped the U bolts and yolk on NP205 Power shifted into second gear yesterday, BANG. Broke the ubolts holding the ujoint to the yoke and really screwed the yolk up. Ill get some pics soon. Pulled the drive shaft and drove home in 4wd. Anyone done a yoke on an NP205? any tricks/tips? __________________ My 1972 Blazer 5.3 E85/ NV4500 5spd 4x4 Work in Progress http://67-72chevytrucks.com/vboard/s...d.php?t=291482 **SOLD!!!!!** 1965 GMC 4X4 http://67-72chevytrucks.com/vboard/s...d.php?t=294727

09-16-2011, 08:32 PM	#2
79k30dually Registered User Join Date: Aug 2011 Location: Newark Ohio Posts: 122	Re: Snapped the U bolts and yolk on NP205 Remove the nut, change the seal, install yoke, torque new nut, check fluid. good luck, Ron.

09-18-2011, 01:11 AM	#3
EFI70Blazer Active Member Join Date: Apr 2006 Location: Pendleton, OR Posts: 243	Re: Snapped the U bolts and yolk on NP205 Yep, broke mine too. Just simply remove the nut and the yolk comes right off. Mine broke half the yolk off of the transfer case and the one on the rear end broke an ear off at the same time. I just had to pick up my driveline put it in 4 wheel drive and drive off. No unbolting needed. I think i may need to upgrade these in the future. __________________ Mike T. Oregon 70 GMC Jimmy 4x4 70 Camaro LS1 plans in the works 71 RS/SS Camaro numbers matching 86 Chevy Silverado SWB 4x4 (454 merlin heads, 3/4 running gear upgrade, Detroit lockers front and rear)

09-21-2011, 12:23 AM	#4
BlazinC5 Registered User Join Date: May 2010 Location: Cheney Washinton Posts: 378	Re: Snapped the U bolts and yolk on NP205 Had that happen to me a few years back too. Bad part I was 2 miles across town and in a parking lot so the drivline was still hanging to the rear axle. And Just before I left my house I looked rite at my lil tool kit I had pulled out of the back of the blazer when I cleaned it out. Thinking Awww, what are the chances, I'll be rite back... Yeah, well after walking home in 90 deg heat and getting my neibor to give me a lift. I took the drivline off and limped home on the front.. __________________ 71 2wd Blazer My build, Restarted 05 Buell firebolt 94 1500 Z71 No rice for me,,, I'm full



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