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05-06-2009, 11:00 AM
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#1 |
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Registered User
Join Date: Mar 2009
Location: buchanan,ga.
Posts: 1
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sm 465 problems.
I've got a '77 model sm465 with np 205. i was having a problem with the transmission jumping out of 2 and 3 gear. i first replaced the shift forks and detent balls and springs. this stopped third from jumping out. But second gear still jumps out, but it only does it when you let off the gas. i replaced the synchronizer keys and springs for the hub and this didn't help. anyone have any idea why it jumps out of gear? it seems to go into gear fine and stays in unless you let of the gas. it's like it doesn't go into gear fully. Any Ideas?
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05-06-2009, 12:17 PM
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#2 |
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Registered User
Join Date: Mar 2007
Location: Connecticut
Posts: 581
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Re: sm 465 problems.
worn gear? I can't remember what our tranny guy told us about that when we had our 465 checked out.
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"I'll Procrastinate Tomorrow" quote by LEEVON 71 K10 long fleet (sons truck) new 370hp 355, sm465 np205, 3.73's 33's 70 K20 long fleet 98 G3500 work van |
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05-07-2009, 05:48 PM
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#3 | |
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Chevys Kick A$$
Join Date: Jan 2005
Location: Zootown, MT
Posts: 12,699
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Re: sm 465 problems.
Quote:
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*HOODS is what I answer too* -'79, '77, '88 Pickup Sold, '85 Camaro, '83 T/A, '81,'83,'90 K5 Blazer All Sold  -'79 3/4 ton "Big Yellow Bananna" Lifted 4spd. 39.5 TSL Swampers, The money Pit   -'86 K5 Blazer Silverado 6.2 4" lift 35"s -'95 Ext. Cab Shorty 4" Tuff Country rolling 35" M/T's -'83 Monte Carlo T-Tops. 126,500 Original Miles -LATER  I would rather push a Chevy then drive a ford!!
 Last edited by Hoods69BadBowTie; 05-07-2009 at 05:49 PM. |
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05-07-2009, 01:58 AM
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#4 |
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Registered User
Join Date: Oct 2008
Location: WV
Posts: 209
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Re: sm 465 problems.
Anahiem Gear has a coller that fits in the space between the third and fourth gear that replaces the snap-rings. I dont think it's an expencive part but you have to tear the trans all the way down to replace it.
Check out this link: http://www.4wheeloffroad.com/brandpa...ild/specs.html Last edited by xbanone; 05-07-2009 at 01:59 AM. |
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05-07-2009, 10:10 PM
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#5 | |
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Registered User
Join Date: Apr 2007
Location: Kalamazoo, Michigan, USA
Posts: 538
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Re: sm 465 problems.
Quote:
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1970 K20, 350--- SOLD 05 silverado extended cab short box- duramax Jeep wrangler unlimited Last edited by Ace in the hole; 05-07-2009 at 10:11 PM. |
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05-08-2009, 12:08 AM
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#6 | |
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Bloo
Join Date: Feb 2001
Location: Barren County Kentucky
Posts: 6,283
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Re: sm 465 problems.
i have also seen a redesigned gear on ebay that is supposed to stop this problem
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ASE Master Certified-GM Trained-Mechanic 1968 Chevy C30 157" WB Wrecker 1969 Chevy CST/10 SWB 1971 Chevy Custom/10 (first truck) 350, NV3500 5 speed 1971 Chevy K20 Custom Camper 4x4 350 TBI, SM465/NP205 1974 Chevy Custom Deluxe/10 1979 Chevy Custom Deluxe K10 farm truck beater 1989 Chevy K2500 Quote:
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