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01-15-2009, 07:58 AM
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#1 |
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Senior Member
Join Date: Jul 2004
Location: Clarks Hill, Indiana
Posts: 733
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Front ds vibration
Looking for ideas,
2WD, hubs unlocked - no vibration 4WD, hubs locked - no vibration 2WD, hubs locked - vibration. and it phases in and out. I'm fairly certain it's coming from the front. anyone got any ideas? THX
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1969 K10 - V8, 465, 205, 12 bolt, D44 2002-current 1969 K20 - V8, 465, 221, Eaton, D44 2012-current Nothin' but drums on all 4 corners! past horses in the stable 72 C10-short step (97-02), 68 C10-long fleet (06-12) |
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01-15-2009, 03:01 PM
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#2 |
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Registered User
Join Date: Oct 2003
Location: Central Vermont
Posts: 8,537
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Re: Front ds vibration
Slip joint would be where I'd look first, then front u-joints, then...everything else.
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01-17-2009, 07:09 PM
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#3 |
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Registered User
Join Date: Sep 2003
Location: Franconia,N.H.
Posts: 1,029
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Re: Front ds vibration
i had a similar problem then i grenaded the right front axle and repleced it with another one and presto! no more vibration. not sure the reason behine the grenading axle but it could've been a bad u-joint since the new axle has a new u-joint in it
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(Only) Member of the CPNE Fan Club  Aint that the truth 67 C-10 350 with 3-speed tranny and 308 gears swb step  82 Z28 Camaro 355 small block over 350 hp and a borg warner super t-10 (blown engine) 72 Chevy K20 Suburban (future project) 70 Chevy K20 now 68 GMC K2500 2003 Chevy 2500hd ccsb 4X4 (daily driver) |
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01-19-2009, 07:37 AM
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#4 |
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Senior Member
Join Date: Jul 2004
Location: Clarks Hill, Indiana
Posts: 733
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Re: Front ds vibration
thanks for the replies! I've noticed no vibration at slower speeds, then around 50 it starts to pick up... I'm starting to wonder if the DS is out of balance. I picked it up from a junkyard when I did my T-221 to NP205 conversion...
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1969 K10 - V8, 465, 205, 12 bolt, D44 2002-current 1969 K20 - V8, 465, 221, Eaton, D44 2012-current Nothin' but drums on all 4 corners! past horses in the stable 72 C10-short step (97-02), 68 C10-long fleet (06-12) |
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01-19-2009, 08:58 AM
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#5 |
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Special Order
  
Join Date: Nov 2004
Location: Mt Airy, MD
Posts: 85,851
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Re: Front ds vibration
In that mode your wheel are turning you shafts freely,as in unengaged to the t-case.Wteh it in 4wd it`s enough to put tension on the worn joint.So,it would be either in the axle "u"s or driveshaft.Put t-case in neutral and unlock hubs to check for play in joints.You`ll be able to turn everything into whatever position.Once in position you can hold one side of the joint or lock the hubs.Stick a big screwdriver through the joint and check for slop.You should notice slop by losking hubs,grabbing the d-shaft and twisting back and forth,too.
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"BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed" GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project) GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling) Tim "Don't call me a redneck. I'm a rough cut country gentleman" R.I.P. ~ East Side Low Life ~ El Jay ~ 72BLUZ ~ Fasteddie69 ~ Ron586 ~ 67ChevyRedneck ~ Grumpy Old Man ~ |
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