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07-03-2003, 04:13 PM | #1 |
Registered User
Join Date: Nov 2002
Location: Edgerton, Wisconsin
Posts: 25
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HUB LOK Problem on '67 K-10
I posted this earlier in the 4x4 section but no one has touched it, so I'm trying here too
HUB LOK problem on '67 K-10 Grrrr.....I'm having problems with the 4 wheel drive on my 67 K-10....when I engage the hubs (these are the original HUB LOK's that came on the front Dana 44 closed knuckle axle) to lock and put it in 4 hi, or 4 low and drive in forward gears, I get this nasty "pop" noise from the front axle about every revolution of the tires or so and the whole axle shudders. I'm kind of stuck on this one, I'm not sure what the problem i. When I disassembled the front knuckles, the upper and lower bearings (ball joints) are good-no play, and the u-joints are good too. The interlocking hub gears appear as if they could be slipping out of each other, there are a few little chew marks on the gear teeth-but they're still fine, none of them are broken or worn, and they mesh together well. I'm suspecting that maybe the multiple springs that push the gears together are worn and maybe do not have as much tension as they used to??? Then again, when I go to take it out of 4 wheel drive and unlock the hubs, they stick, they won't disengage-until of course I jack up the truck-then they come free easily....funny thing is last time I did this, as the front wheels started to come off of the ground-the passenger side wheel slipped and turned slightly as though there was tension, like it was under load, and that would explain why they won't disengage...but why would they be under load? (now that I think about it the truck may have been in gear, I'll have to try it again making sure that everything is in neutral) I'm also possibly suspecting that the drive ratios of the front and rear axles differ form a possible rear axle change someone may have done before I owned it. I'm not sure how to check this, I've ID'd the front axle (Dana 44's only have one ratio right?), but I still need to find out what the rear axle is, or should be and how to ID it. Anyone have any ideas? |
07-03-2003, 04:33 PM | #2 |
Have A Nice Day!
Join Date: May 2003
Location: California
Posts: 356
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I think you are on to something with the ratios. I have seen the 44s with several ratios. kinda sounds like front and rear are binding. You could pull the inspection covers front and rear and check the ratios. count teeth or check the numbers on the ring gear too.If you want to know if the front is working fine then just remove the rear drive shaft and lock in the front, put it in 4 hi and see if it pops driving it down the road. stay close to home. this is how you limp the truck home if you mess up the rear drive line. Done this more than a few times! Hope this helps.
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1970 CST K10 350/350/205
Short Bed - Fleetside Tach-Tilt-A/C-Tow Hooks Front & Rear Disc Brakes Front & Rear Posi 3.73 Gears 30 Gallon Stainless Fuel Tank SOLD 01/18 !!!!! 2007 2500 HD Classic Crew Cab LT2 4X4 Duramax LBZ |
07-03-2003, 06:36 PM | #3 |
Registered User
Join Date: Nov 2002
Location: Edgerton, Wisconsin
Posts: 25
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Say that's a good idea, I think I'll try that this weekend. I wish I would have thought of that the other day, I was just replacing the rear shaft u-joint, that would have been really easy to do! If it does still pop, I'm going to suspect those locking hubs. I'm not really relishing the idea of spending the bucks on them though! I think LMC wants like 300 bucks for mile markers for my truck! BTW: check out this u-joint!
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07-03-2003, 07:14 PM | #4 | |
Bloo
Join Date: Feb 2001
Location: Barren County Kentucky
Posts: 6,285
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$300?!?!?! you should be able to get quality (Warn/Superwinch) for way less then $300 for milemarkers.... ive heard also the mile markers have plastic in them=break easily
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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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07-03-2003, 07:28 PM | #5 |
PROJECT 7DEUCE
Join Date: Dec 2002
Location: GRANTS PASS OR
Posts: 21,608
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Do not buy mile marker hub's they are junk if you really use your truck ....
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GO BIG GREEN GO DUCKS MEMBER #6377 72 k-5 daily driver 6'' lift 35'' 350-350-205 slowly getting rust free. Project "7DEUCE" check out my build http://67-72chevytrucks.com/vboard/s...d.php?t=267665 Tim Powell..R.I.P EastSideLowlife..... R.I.P.. |
07-03-2003, 09:25 PM | #6 |
Recovering 67-72 Addict
Join Date: Oct 2000
Location: North Bend, WA
Posts: 1,788
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Good luck finding new hubs for that. I would double check the application on the Milemarkers that you are talking about. When I was looking for hubs for my 68 last summer, no one made replacements. Not even Warn has them available anymore. I upgraded the axles to 3/4 ton gear and sold my old hubs to a boardmember.
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68 Short Fleet 4x4; 427; BTO Level 3 700R4; NP205; Dana 60 front and rear; 4" lift with 35's; Disc brakes; AGR variable ratio steering; factory bucket seats; factory tach and tilt. "Friends call me cruzer cuz I like fast cars and fast women" |
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