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06-02-2010, 10:36 PM
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#1 |
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Registered User
Join Date: Apr 2010
Location: Kelowna, Canada
Posts: 116
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Clanking noise?
Hey all,
I finally got my truck on the road (after 5 grand worth of fix up) and i finally got it offroad. It was basically a gravel road and i had it in 4LO because i was some steep wet dirt/gravel. Anyways as i got it over 10kmh (20mph to americans?) a clanking noise started coming from the front right? I just got new ball joints and U joints put in and a few other things (4 grand) so i was thinking it should be everything but the U joints but what else could it be? It only happened in 4WD. Help? Last edited by 71GMCer; 06-02-2010 at 10:36 PM. |
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06-03-2010, 07:45 PM
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#2 |
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Registered User
Join Date: Apr 2010
Location: Kelowna, Canada
Posts: 116
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Clank noise?
Hey all,
I posted this on the drivetrain forum but got no reply so maybe ill get one here? I finally got my truck on the road (after 5 grand worth of fix up) and i finally got it offroad. It was basically a gravel road and i had it in 4LO because i was some steep wet dirt/gravel. Anyways as i got it over 10kmh (20mph to americans?) a clanking noise started coming from the front right? I just got new ball joints and U joints put in and a few other things (4 grand) so i was thinking it should be everything but the U joints but what else could it be? It only happened in 4WD. Help? |
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06-04-2010, 12:46 AM
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#3 |
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Grease Monkey
Join Date: Oct 2007
Location: Fresno CA
Posts: 750
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Re: Clank noise?
what size lift, tires, and axle do you have? I was thinking your hubs.
__________________
Tow Rig: 2012 Chevy 2500HD CCSB LTZ Z71 4x4 Duramax Ultimate Offroad Build: 1978 Chevy Silverado K30 Crewcab Build Link http://67-72chevytrucks.com/vboard/s...d.php?t=654053 Mud Truck: 1972 Chevy Cheyenne K30 4x4, 468/400/205, D60/D70HD, 18" Custom Lift, 17x39" IROKs FOR SALE http://67-72chevytrucks.com/vboard/c...ton-4x4&cat=12 |
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06-04-2010, 09:25 AM
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#4 |
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Special Order
  
Join Date: Nov 2004
Location: Mt Airy, MD
Posts: 85,851
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Re: Clank noise?
Sounds like the u-joint.Maybe your expensive mechanic put it together wrong.I`ve seen them grenade as soon as they were engaged into 4wd.The u-joint "must" be centered between the ball joints on the vertical plain.I`ve seen many front ends put together with the bronze spacer installed out at the axle end at the snap ring when it belongs the first thing on the outer stub behind the spindle.That 3/16" or so is enough to put the pivot of the u-joint off-plain with the knuckle pivot causing a bind that no u-joint can handle.Instant breakage as soon as you use 4wd.
__________________
"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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06-04-2010, 09:40 AM
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#5 |
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Registered User
Join Date: Oct 2008
Location: Meridian, Idaho
Posts: 321
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Re: Clank noise?
was it a clanking sound or a clicking sound? could you feel it through the 4x shifter? have you walked along side the truck while somone else drives it slow? pictures? is this truck lifted?
Matt
__________________
72 chevy k-10, swb, auto, 35's, rally's, posi, 4" lift, 2.5" old style 40 series flows with headers and crossover pipe and some other stuff!! Last edited by mstrav1973; 06-04-2010 at 06:50 PM. |
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06-04-2010, 05:02 PM
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#6 | |
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just can't cover up my redneck
Join Date: May 2004
Location: Columbus OH
Posts: 11,414
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Re: Clanking noise?
Merged, please don't do this. Place your question one time in one place, if you feel it would be better somewhere else a Moderator can move it for you.
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You can review the site's rules here. Quote:
Bad planning on your part does not necessarily constitute an instant emergency on my part.... The great thing about being a pessimist is that you are either pleasantly surprised or right. 
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06-04-2010, 09:29 PM
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#7 |
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Registered User
Join Date: Apr 2010
Location: Kelowna, Canada
Posts: 116
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Re: Clanking noise?
Hey all,
It has 33's and no lift....its a clanking noise like someone taking a chain and twirling it while clipping the ground....my friend walked beside it and said its definately the right from...couldnt feel it through the steering wheel and i looked at the joints afterwords and there seems to be no obvious signs of damage |
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06-04-2010, 09:45 PM
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#8 |
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Registered User
Join Date: Apr 2010
Location: Kelowna, Canada
Posts: 116
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Re: Clanking noise?
im just curious though as to what happens if you go too fast in 4lo? I was only in 2nd at like 2500rpm?
Also what happens if you drive on a flat paved road in 4x4? Ive never done it but it says not too so im just curious |
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06-04-2010, 10:57 PM
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#9 |
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Special Order
Join Date: Nov 2004
Location: Mt Airy, MD
Posts: 85,851
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Re: Clanking noise?
You can go as fast in 4lo as your motor can handle.It just revs up there quicker.I drive 3,000 rpm down the hiway everyday.
Driving on dry pavement puts more stress on things due to no slippage.If you hit the throttle hard with the front wheels turned sharp could easily find the weak link and break something in the front end.Doing the same going straight isn`t doing the drivetrain any favors from front to back.You can drive all day long on dry roads in 4wd and not hurt a thing.It depends on if you put unreasonable stress on the drivetrain.
__________________
"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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06-05-2010, 01:52 AM
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#10 |
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Registered User
Join Date: Apr 2010
Location: Kelowna, Canada
Posts: 116
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Re: Clanking noise?
ah ok cool thanks all...i will be looking into it more later
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06-05-2010, 09:30 AM
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#11 |
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Special Order
Join Date: Nov 2004
Location: Mt Airy, MD
Posts: 85,851
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Re: Clanking noise?
Do you have 4wd?If one lock-out is messed up neither wheel will spin.
__________________
"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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06-05-2010, 03:30 PM
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#12 |
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Registered User
Join Date: Apr 2010
Location: Kelowna, Canada
Posts: 116
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Re: Clanking noise?
Yes it is a 4x4...and the lockouts seem to work fine
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06-06-2010, 10:37 PM
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#13 | |
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Registered User
Join Date: Oct 2009
Location: Leesburg, VA
Posts: 424
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Re: Clanking noise?
Quote:
One problem with that theory.......If you have a D44/12bolt truck, the gears might not be a 100% match in both axles. The GM 12 bolt can have a 3.08:1 ratio and the D44 will be 3.07:1 I have had some occasions to end up in 4 on dry pavement and it wasn't pretty. 
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