clunkin - Ford Powerstroke Diesel Forum
Suspension & Steering Discuss OEM & aftermarket suspension, lifts, air ride suspension, shocks, steering components, etc.

 
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post #1 of 8 Old 11-06-2013, 08:25 PM Thread Starter
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clunkin

front end clunks in first and second and third everytime I hit the gas no matter how hard or soft I hit it... would bad leaf spring bushings cause this cause mine are weathered and cracked bad
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post #2 of 8 Old 11-06-2013, 08:52 PM
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It could be anything from bushings to a U-joint (and anything in between). The best thing to do is safely try to replicate it in the driveway with somebody else in the truck.

Throw your truck info in your signature


2001 7.3L
Pro Comp 6.5" Lift
Pro Comp 16x10 Alloys
35x12.5 Nitto Mud Grapplers
Sky Jacker Hydro 7000 Steering Stabilizers
K&N CAI JUNKED For A 6637
Straight Piped Dual 4"
Jasper 4R100 (Rebuilt in '05)
Tru-Cool Max
Dieselsite Coolant/Trans Filters
ISSPRO EV2 (Boost, EGT, Trans)
Centramatics
EBPV Switch
'07 Headlight Conversion
Foil Delete
Zoodad
Monitoring with Torque
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post #3 of 8 Old 11-06-2013, 09:38 PM Thread Starter
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ok thing I did my sig right and ive tried all the other things ive searched on here like loose ubolts and chit like that and nothing was loose.... I just need it fixed cause I drive 5 1/2 hours to see my gf a lot and I don't need it breaking down, oh and the dealership I got it from over greased the steering arms? and blew the rubber seals.. could that cause a sound like that?

1994 f250 7.3 psd
extra leaf pack in rear for towin goose neck
trailer brakes
5sp manual
true 500watts of pure deafening bass
cat and muffler delete
143k original miles on the clock
custom camo headliner done by yours truly


soon to come:
3 inch lift
35's
single 6in miter cut stack
and moarrrr power some how haha
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post #4 of 8 Old 11-06-2013, 09:58 PM
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I wanna say that's a common issue (people over-greasing and blowing that rubber seal). If on a turn, I would lean towards that being a possibility of a clunk, but it's likely sway bar bushings, a bad U-joint, or even ball joints.

Maybe if you don't have anybody available, just run through the front end and see what's what. Give everything a little wiggle, inspect bushings and grease any zerks that may be down there. Jack up the front end, turn the wheel back/forth and feel for any clunks, then while still jacked up and on stands, get out and try to move your entire wheel up/down on both sides. Feel for any movement. It's really just a guessing game until you get to narrow it down a little more. I have a pop in mine currently (thinking it's sway bar bushings). Will be looking at it Friday.

Sig looks good

Oh, one more thing: Are you sure it's coming from the front? A lot of times, a pop or clunk can be felt in the driveline (causing some to not know where it's coming from). If you can't find anything in your front end, it could be your slip joint on the driveshaft. The splines may just need greasing.


2001 7.3L
Pro Comp 6.5" Lift
Pro Comp 16x10 Alloys
35x12.5 Nitto Mud Grapplers
Sky Jacker Hydro 7000 Steering Stabilizers
K&N CAI JUNKED For A 6637
Straight Piped Dual 4"
Jasper 4R100 (Rebuilt in '05)
Tru-Cool Max
Dieselsite Coolant/Trans Filters
ISSPRO EV2 (Boost, EGT, Trans)
Centramatics
EBPV Switch
'07 Headlight Conversion
Foil Delete
Zoodad
Monitoring with Torque

Last edited by AgTires4295; 11-06-2013 at 10:03 PM.
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post #5 of 8 Old 11-07-2013, 12:14 AM Thread Starter
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yea that's what I was reading about the slip joint and it sounds from the front but could be front or middle and the slip joint? that's where the two drive shafts meet or is that where it goes into the transfer case?

1994 f250 7.3 psd
extra leaf pack in rear for towin goose neck
trailer brakes
5sp manual
true 500watts of pure deafening bass
cat and muffler delete
143k original miles on the clock
custom camo headliner done by yours truly


soon to come:
3 inch lift
35's
single 6in miter cut stack
and moarrrr power some how haha
509lifted is offline  
post #6 of 8 Old 11-07-2013, 12:51 AM
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It's just after the carrier bearing. Youll see the rubber boot that covers it. Heres a shot of what it looks like: http://www.competitiondiesel.com/for...006_Large_.jpg


2001 7.3L
Pro Comp 6.5" Lift
Pro Comp 16x10 Alloys
35x12.5 Nitto Mud Grapplers
Sky Jacker Hydro 7000 Steering Stabilizers
K&N CAI JUNKED For A 6637
Straight Piped Dual 4"
Jasper 4R100 (Rebuilt in '05)
Tru-Cool Max
Dieselsite Coolant/Trans Filters
ISSPRO EV2 (Boost, EGT, Trans)
Centramatics
EBPV Switch
'07 Headlight Conversion
Foil Delete
Zoodad
Monitoring with Torque
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post #7 of 8 Old 11-10-2013, 04:46 PM
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I have to grease my slip joint about every 6 months. if I don't I will start to get a "thud" on acceleration and also when I come to a complete stop it will thud. If your truck has a 2 piece drive shaft I would give that a check.

I replaced my trans mount one time thinking that was what my noise was coming from (for $13, it wasn't a bad idea to replace the stock one anyways!) But it ended up being the slip joint was froze so when the axle would wrap slightly on accel or decel it would thud.


02 F-250 7.3 Powerstroke PMF Suspension 20" XD Hoss 325/60R20 Dura-Tracs
38R 4" MBRP TW Chip HPX Mod EBPV delete 6637 Billet Converter Shift Kit Autometer GS
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post #8 of 8 Old 11-10-2013, 04:50 PM Thread Starter
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That is exactly what happens on mine so I will check it as soon as I can since I'm working 7 days a week right now, what would be the best grease to use on it as for a lithium based grease? Since I know some grease isn't good in the cold and so on.

1994 f250 7.3 psd
extra leaf pack in rear for towin goose neck
trailer brakes
5sp manual
true 500watts of pure deafening bass
cat and muffler delete
143k original miles on the clock
custom camo headliner done by yours truly


soon to come:
3 inch lift
35's
single 6in miter cut stack
and moarrrr power some how haha
509lifted is offline  
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