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PostPosted: Tue Jun 19, 2007 8:07 pm 
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Zu Royalty
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Joined: Fri Nov 24, 2006 7:39 pm
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Location: Carson City, NV
93rodeoTpS wrote:
how long do u-joints typically last - the ones on this truck were replaced in '04


They should be fine, the ones on my truck are the factory ones with 195,000 miles on them and they're still fine.

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93 Rodeo 3.2 auto 4x4 205,000 miles
Indy4x 3" lift, HD tie rods, SS brake lines
DOR diff drops, UB Skidders
31" BFG A/T's
91 & 02 Ford Explorer 4x4s, Both bone stock


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PostPosted: Wed Jun 20, 2007 12:55 am 
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Drives in Mud

Joined: Tue Apr 10, 2007 11:11 am
Posts: 98
yeah i figured u-joints were quite robust i think i'm leaning back towards a clutch/pressure plate/flywheel issue now...like i said nothing drastic but it does get annoying to have my head thrown forwards everytime i take my foot off the gas with the clutch engaged

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96 Volkwagen Passat GLX VR6 (old boxy FAST german sedan >-D)

99 Trooper LS (Daily Driver) - Got Oil? (SOLD)


'93 Rodeo 3.2 5spd - Custom Intake, Broke Driver, DEAD due to sabotage



http://www.cardomain.com/ride/2434079


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PostPosted: Wed Apr 23, 2008 4:17 pm 
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Drives on Pavement

Joined: Tue Apr 22, 2008 8:48 pm
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Thanks!!


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PostPosted: Thu Oct 23, 2008 1:42 am 
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Joined: Sat Jul 19, 2008 1:51 am
Posts: 37
When do you guys get this clank?


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PostPosted: Thu Oct 23, 2008 12:24 pm 
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Expedition Ready
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Joined: Fri Aug 06, 2004 3:08 pm
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Location: Pahrump, NV
I got my clunking noise in my Amigo at about 60k miles. I took the write up and some Mobil One grease to a local shop that did it for me. They only charged $50.00 and it took less than an hour.

The shop showed me the Isuzu Service Bulletin on the subject that says the clunk is perfectly normal!

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2000 Amigo Ironman, 3.2L Auto 4WD
1982 Cadillac Fleetwood Hearse
1927 Ford Model T Roadster w/327 Chevy


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PostPosted: Mon Feb 02, 2009 10:01 pm 
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Drives on Pavement

Joined: Sun Jan 11, 2009 10:21 am
Posts: 14
Location: new port richey, FL
i know this post has been burried a bit, so i apologize for bringing it back up. my 99' trooper is having some of the symptoms that seem to be explained here.

the only time i feel a 'thud' from the rear is from a dead stop, taking my food OFF the brake. its a slight thud, but noticeable none the less.

my owners manual states that if on my information plate on the firewall, i have "G80", then it is equiped with a limited slip differencial. is this the same as a slip yolk?

i noticed the write up was for amigos/rodeos, but was wondering if this is also applicable if a trooper has the limited slip differencial.

sorry for the newbie questions. ive just gotten my first trooper about a month ago and can't stop thinking about mods and preventative maintenance that i want to do to it.

this forum is great for not only ideas, but how-to's also.

thanks for your time
mike

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1999 Trooper 4x4, T.O.D.
92K miles. Update 2/11- 124K miles


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PostPosted: Mon Sep 21, 2009 7:49 pm 
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Drives on Pavement

Joined: Mon Sep 21, 2009 7:03 pm
Posts: 1
thanks for all the great insight... I am also dealing with the clunk.

just bought a 00 passport ex 4X4 and dropped the shaft and did the grease right away - 3000 miles later it clunks again.

I am thinking about tapping for a sert - but a few things bother me about this whole thing. (1) can a one peice shaft be swapped out? (2) why does the clunk come back? (3) what physical force makes the clunk sound? - as I understand it - the slip yoke is designed to slide in and out when the suspension is moving up and down - so why does it clunk when you stop or go? (unless your shocks are junk) (4) it feels that upon stopping, a rotating mass preciptates the clunk - as in, something else stops after the vehicle stops, and same with hitting the gas. it turns (rotating mass) and clunks to engage the driving process.

I am not a mechanic, but tinker a bit for fun. this whole issue is nothing but annoying. any elaboration, alternatives, etc would be appreciated.


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PostPosted: Wed Apr 14, 2010 10:26 am 
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Super Trooper

Joined: Tue Apr 08, 2008 9:50 pm
Posts: 210
Location: Tricities, TN
jallantaylor wrote:
(3) what physical force makes the clunk sound? - as I understand it - the slip yoke is designed to slide in and out when the suspension is moving up and down - so why does it clunk when you stop or go? (unless your shocks are junk) (4) it feels that upon stopping, a rotating mass preciptates the clunk - as in, something else stops after the vehicle stops, and same with hitting the gas. it turns (rotating mass) and clunks to engage the driving process.

I am not a mechanic, but tinker a bit for fun. this whole issue is nothing but annoying. any elaboration, alternatives, etc would be appreciated.


I believe the clunk is the little bit of rotation that occurs between the 2 halves of the driveshaft being amplified through the drivetrain. The grease in the spline cushions that movement, and quiets the clunk.

My rodeo has the exact same feeling you describe, making me think its a combination of dry spline and maybe some worn suspension links.

When I swap out my axle I will grease my driveshaft, and post results.

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2000 Isuzu Rodeo 265/75/16 tires, brush guard, lift
1991 Isuzu Impulse RS running, driving, still in need of love.


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PostPosted: Sat Jan 08, 2011 7:25 pm 
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Drives in Mud

Joined: Mon Jul 05, 2010 8:20 am
Posts: 98
Location: Michigan
Whooda thunkit......

REALLY WORKS !!!

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99 Amigo - 3.2L, 4x4, Hardtop
- New fuel sender
- Manual hubs
- CD player and new speakers
- New fuel pressure regulator
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PostPosted: Sun Nov 27, 2011 12:49 am 
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Loyal P'up

Joined: Sun Nov 13, 2011 1:22 am
Posts: 101
Location: Kingsport ,TN
Dont mean to bring up old threads but thanks for the info, im defiantly going to try this. I was thinking my clunk was from a bad rear end, called the junk yard and done had a whole new rear end lined up to go in but if this works im gonna save myself a couple hundred dollars! I hope this fixes it dont have the money to buy a whole new rear end. The reason i feel it was my rear end is because i dug into mine the other day and that sucker was dry as a bone no grease at all so i figured the gears had worn and were getting ready to go.

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99 isuzu rodeo. 31" nexen rodain m/t tires, 3.5" lift, 2 bride low max seats in the front, k&n open air filter, more to come!
Check out my 2nd gen isuzu rodeo truck 3d project! viewtopic.php?f=12&t=58407&p=551770#p551770


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PostPosted: Sat Nov 10, 2012 11:51 am 
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Drives on Pavement

Joined: Sat Nov 10, 2012 11:49 am
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I want to thank the person who posted this cure to the drive shaft clunk. I performed this maintenance and solved my issue. The isuzu dealer didn't even know what to do about it. Brilliant!


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PostPosted: Sun Jan 03, 2016 10:24 pm 
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Joined: Wed Dec 01, 2004 2:59 pm
Posts: 587
Location: Denver, CO
Fixed the images. They are now hosted on one of my long-term servers and should not go away again.

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'94 Isuzu Rodeo 4WD, 3.2L V6. 156k miles (Sold); '01 Isuzu Rodeo LS 4WD, 3.2L V6, 108k miles (Sold).
Currently restoring an '01 Rodeo Sport V6
My other passion: My Yamaha XJ600 and XJ600 Scrambler


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PostPosted: Mon Feb 15, 2016 8:11 pm 
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Zu Royalty
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Joined: Mon Feb 08, 2010 10:42 am
Posts: 1691
Location: Erlanger,Kentucky
Time for me to grease the shaft also. Clunks when cold more than warm. No jerks I can see on driveshafts. I may use a injection needle to put grease in without removing shaft if I can. My two cents,Tony

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2004 rodeo 4x4,3.2,aw3040ls automatic,Stock springs with Independent4x 2"coil spacers, Zone 2" Body Lift, 285/75/16 Mastercraft Courser HXT Tires. Cobra 29LTD CB,Transmission cooler,Functional hood scoop,kyb shocks


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PostPosted: Fri Jan 13, 2017 5:46 pm 
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Drives on Dirt

Joined: Wed Jul 13, 2016 1:31 pm
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Location: Utah
Hi there. Could the same instructions be applied to a 1994 Trooper with an AT?

Just got mine up and finally running and noticed the clunk after letting off the brakes, too.


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PostPosted: Fri Jan 13, 2017 6:13 pm 
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Site Admin
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Joined: Mon Jun 23, 2003 9:02 pm
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Location: Wandering Around
Yours is easy. It already has a grease zerk.

Tad

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2001 Trooper - 4.77s, 3xARB, OME 919HD springs. 255x85 Maxxis Bighorn MTs
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PostPosted: Fri Jan 13, 2017 7:15 pm 
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Drives on Dirt

Joined: Wed Jul 13, 2016 1:31 pm
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Location: Utah
Tad wrote:
Yours is easy. It already has a grease zerk.

Tad


Thanks Tad. And it's right where there the slip yoke is then?


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PostPosted: Sun Jun 25, 2017 4:55 pm 
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Super Trooper
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Joined: Wed Aug 11, 2010 8:23 pm
Posts: 224
Location: Near Reno NV
Bada-Bing! Just finished my '01 Rodeo and that clunk is history. It appeared the shaft had never been off the car (only 165k mi.) from the looks of things and I could feel the play in the spline before I separated it. Used my dad's old trick of a brush dunked in ATF to clean the splines; what little OE grease was in there had hardened and pretty much flaked off the spline and sleeve with the brush. Applied a generous portion of Napa wheel bearing grease to both pieces with a butter knife and slid them back together. (do it slowly to allow the air to escape) I used a couple of industrial-grade zip-ties (phone co. uses on overhead line bundles) to secure the boot and reinstalled the shaft after greasing front and rear universals. WELL worth the 1.5 hrs it took (94º in the shade here today)... you don't realize how annoying that clunk is until it's gone! My '94 Trooper's next in line but not until the weather cools down some... :wink:

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2001 Rodeo LS 4WD AT 164k Bone Stock Everything Works 01-14-2017
1999 Mazda MX5 Miata 5-speed 04-26-2019
1998 Chevy S10 2WD 4 cyl. 5-speed
1995 Ford Escort LX 1.9L AT Work Car
1994 Trooper SE DOHC AT 145k All the Frills including Headlight Wipers
1987 Wrangler 2.5L 5-spd 87k All Original
Numerous Motorola Commercial 2-way radios
Work: (wûrk) n. A sometimes irritating but necessary interruption to Troopin'.


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PostPosted: Tue Jul 04, 2017 5:30 am 
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Joined: Mon Jun 23, 2003 9:02 pm
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Your trooper should have grease zerks on it. Might take only 5 minutes.

-Tad

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2001 Trooper - 4.77s, 3xARB, OME 919HD springs. 255x85 Maxxis Bighorn MTs
1999 Rodeo - rebuilt DD


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PostPosted: Sun Sep 13, 2020 9:31 pm 
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Trail Master
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Joined: Wed Dec 01, 2004 2:59 pm
Posts: 587
Location: Denver, CO
I can’t believe this topic is 15 years old!

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'94 Isuzu Rodeo 4WD, 3.2L V6. 156k miles (Sold); '01 Isuzu Rodeo LS 4WD, 3.2L V6, 108k miles (Sold).
Currently restoring an '01 Rodeo Sport V6
My other passion: My Yamaha XJ600 and XJ600 Scrambler


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