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10-29-2007, 02:15 AM
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#1 |
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Registered User
Join Date: Jan 2005
Location: tasmania.australia
Posts: 170
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how tight?
can any one tell me how tight this nut(see picture) should be?pulled gearbox and transfer out yesterday,had a funny noise in gearbox after it had been drove for about 3/4 of an hour,front bearing on input shaft isnt real good and the nut on the output shaft isnt tight,the only thing holding it on was the tabbed washer! the gearbox and transfer is a sm465 and a np205('78 k-20)
any help would be great,thanks Last edited by k-20; 10-29-2007 at 02:16 AM. |
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10-29-2007, 06:03 PM
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#2 |
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Registered User
Join Date: Jan 2005
Location: tasmania.australia
Posts: 170
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Re: how tight?
ive just noticed a number on the edge of the nut,80n.would this be a torque setting or a part number??
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10-29-2007, 07:48 PM
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#3 |
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Senior Member
Join Date: Dec 2003
Location: Kingsport TN
Posts: 4,641
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Re: how tight?
Here is a web page that will help. http://www.okcnetworks.com/bronco/205/np1.htm
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Earl 68 2500 4x4 GMC Burb |
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10-29-2007, 08:27 PM
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#4 |
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Registered User
Join Date: Jan 2005
Location: tasmania.australia
Posts: 170
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Re: how tight?
thanks for the link,but the nut im talking about is on the sm465 and not the np205,sorry for the confussion
Last edited by k-20; 10-29-2007 at 08:28 PM. |
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10-29-2007, 08:53 PM
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#5 |
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Well, Whoop-dee-do!
 
Join Date: Mar 2003
Location: Easton, Mo. pop.- me & scarcely a few others
Posts: 2,302
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Re: how tight?
I've never torqued it myself. I clean up the threads real good, put on some blue Loctite & tighten the **** out of it
__________________
'68 GMC shortbox 4x4 350/SM465/T221- bought it in '83 SOLD  '72 K20 500 Cad/TH400/NP205 SOLD '92 Chevy 2500 6.5 mech TD 4L80E crusty daily driver '72 Monte Carlo... sweet low mile toy '11 Dodge Challenger IE 392 6spd... midlife car 
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10-30-2007, 12:55 AM
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#6 |
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Senior Member
Join Date: Dec 2003
Location: Kingsport TN
Posts: 4,641
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Re: how tight?
per the manual its 100ftlbs. I have a copy of the sm465 manual scanned if you would like give me an e-mail and Ill beglad to send you a copy.
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Earl 68 2500 4x4 GMC Burb Last edited by earl87gta; 10-30-2007 at 12:58 AM. |
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10-30-2007, 07:02 AM
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#7 |
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Senior Member
Join Date: Dec 2003
Location: Kingsport TN
Posts: 4,641
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Re: how tight?
its on its way to you if any one else needs it let me know.
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Earl 68 2500 4x4 GMC Burb |
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10-31-2007, 08:13 AM
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#8 |
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Registered User
Join Date: Jan 2005
Location: tasmania.australia
Posts: 170
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Re: how tight?
got the manual,thanks earl.
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10-31-2007, 08:34 AM
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#9 |
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Senior Member
Join Date: Dec 2003
Location: Kingsport TN
Posts: 4,641
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Re: how tight?
Any time
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Earl 68 2500 4x4 GMC Burb |
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11-01-2007, 06:37 AM
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#10 |
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Special Order
  
Join Date: Nov 2004
Location: Mt Airy, MD
Posts: 85,862
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Re: how tight?
Can I get that scan???Or,did I miss the boat?
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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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11-01-2007, 06:46 AM
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#11 |
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Senior Member
Join Date: Dec 2003
Location: Kingsport TN
Posts: 4,641
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Re: how tight?
PM me your e-mail and Ill send it to you
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Earl 68 2500 4x4 GMC Burb |
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