npr wheel shake
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john

AOL

#1 Apr 22, 2010
My '06 NPR Diesel Box truck develops a violent front wheel shake when I hit minor rough pavement on the highway at speeds around 50-60. This truck has 25,000 miles and I am the only person who has ever driven it. It's never been in an accident.

It's like the tires take off and start to bounce. Is it possible the tires are out of round from sitting? As you can see, the milage is low and the truck sits for long periods between use. Maybe 6 months at one point.
sick little npr

Los Angeles, CA

#2 Apr 26, 2010
My 2001 npr does the same thing. I have taken the truck to a big truck alignment shop and my local GMC dealer. Both my helper and also my wife have witnessed this same scary event. New tires seem to keep the problem masked, but the problem eventually reappears.
james

Bridgeport, CT

#3 May 3, 2010
My 2002 Npr is having the same problem. It is quite scary at 75 mph. Going to change Shock/Struts this weekend hopefully let u know what happens.

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Gaffer

Palos Heights, IL

#4 May 23, 2010
I have a 06 npr hd and have experienced 3 blow outs on the highway in the last 8 months. The truck has been sitting a lot but I always check the pressure.
I think you have damaged tires from sitting. Shaking is from a slipped belt.
elton stafford

Savannah, GA

#5 Jun 29, 2010
I had the same shaking problem. The dealer replaced everything under the front , and it still did it > I asked them to change the tires and they told me that it was not the tires , so i had the tires changed my nself , and the problem . After the tire get a lot of wear on them it comes back . So now i am rotating them on a regular basses and i never have this problem anymore.
elton stafford

Savannah, GA

#6 Jun 29, 2010
I have a2005 isuzu npr deseial and i am having a problem that is driving me nuts. When i come to a stop the engine light comes on and the fuel pedal has no response. If i shut the truck off and recrank it it will work fine till i come to a stop again at this time the pedal again has no response, until i shut it off and receank it . Please help me
brian

Lawrenceville, GA

#7 Jul 30, 2010
my company operates two of these isuzu npr trucks that also develop a dangerous, violent 'death wobble' as i describe it when it hits rough pavement on the interstate. reading all your posts, describing my problem with the truck and the DEALER in a mirrored fashion leads me to believe that this is a manufacturer issue. what's really scary is that someone is going to get hurt, if they haven't already.
Dan

United States

#8 Jul 31, 2010
WHEEL BALANCE!!!! Very common on this type wheel used at highway speeds. Doesn't have to be off much but anything road irregularity can set the wobble off then hang on the fun has started.
Hugo

Las Vegas, NV

#9 Aug 17, 2010
I recently had this happened to me, it started shaking violently to the point i could not go on the freeway anymore, it was the tire actually separating, because these tires are alot bigger than normal car tires, they are made in 2 pieces so when the tire starts going bad, it will literally start separating in 2 down the middle and you will see a big bump in the middle of the tire, get it changed quick because it could cause a blowout. i just changed the tire and it went back to normal.
Martin Gurnik

Cerritos, CA

#10 Aug 24, 2010
chnage the front tires that so!!!
dino

Rome, Italy

#11 Aug 31, 2010
[Quote = Che " john "] Il mio '06 NPR Diesel camion Box sviluppa Una violenta Scossa . il problema risolto ingrassando i fuselli anteriori
dino

Rome, Italy

#12 Aug 31, 2010
Il problema di squotimento forte delle ruote anteriori si risolve ingrassando i 2 fuselli fate sapere se avete risolto
Andy

United States

#13 Oct 24, 2010
Sary wobble happened twice with my 2000 npr wrecker. Got new tires, new shocks same thing. This should be manufacturer or the road maintanance problem. So scary, I report all potholes 3 times a day until they are patched.
Isuzu

Birmingham, UK

#14 Oct 27, 2010
Hello,
I'm a trained Master Isuzu Technician from the UK. What your describing is a common fault we have these trucks come in for.
Firstly check there is no mud or other such likes on the inside of the wheel rims.
Secondly spin the wheel and line your sight up with a point past the wheel and monitor the tyre for any increases or decreases.
Thirdly it is very common for tyres to be unevenly worn, most visible on the inner tread of the tyre, nothing can be done to change this, the caster / camber angles are fixed due to the solid fixed axle with king pins.
I would think it will be down to the tyres having flat spots on them, at higher speeds this problem you describe will be more pronounced.
I hope this helps.
Liz

Portland, OR

#15 Oct 28, 2010
elton stafford wrote:
I have a2005 isuzu npr deseial and i am having a problem that is driving me nuts. When i come to a stop the engine light comes on and the fuel pedal has no response. If i shut the truck off and recrank it it will work fine till i come to a stop again at this time the pedal again has no response, until i shut it off and receank it . Please help me
I work at a dealership and most common problems we have found for this problem are injectors or EGR valves.
Singh

Roseville, CA

#16 Dec 11, 2010
I have a 2007 isuzu npr-hd. it has the same front end shaking problems. I have done everything that i could have. Replaced two brand new rims and two new tires, replaced all four shocks, ballanced the tires and mounted it back on the truck. guss what "THE FRONT END SHAKING DOES NOT STOPS" dealers only eat money they cant help, I have call isuzu for the help guess what they said "ITS A TRUCK AND IT WILL SHAKE" my advice to all is to file a Vehicle Safety Complaint at safercar.gov so that they can order isuzu to recall and get it fixed at no cost to us. "WE ALL NEED FILE A COMLAINT" "JUST LIKE TOYOTA GAS PADEL GET STUCK AND THEY MADE IT RECALL"
Kurt

Manitowoc, WI

#17 Mar 14, 2011
I am looking ot chang the split rims to a solid new style rim for more tire slections for a 86 W-4 and thought would be welcome. Thanks
wayne

Huntington Beach, CA

#18 Apr 21, 2011
i have a 2001 npr with the 215-85r16 tires and the front end shake about 50-55 thin stops after 55: 50 is fine to but at 50-55 shake shake shake ok new shoocks tires look good air, is at 75 not 80,so can somebody tell me truck mils is at 147,000 but i had a gmc w4500 with bigger tires the 19.5 and had 445,00 and never did have thee shaking.thanks wayne [so how can i fix it].
Big D

Brewster, MA

#19 Apr 25, 2011
This has just started happening to my 2007, but it happens on mine when I am driving down the road. Very dangerous. The Dealer/Stealer can not fix it. I am now looking all over the internet to find a solution. If you repaired yours, please post back.
I also just had the "death wobble" happen to me today for the first time. Very scary. Will be replacing tires very soon.
elton stafford wrote:
I have a2005 isuzu npr deseial and i am having a problem that is driving me nuts. When i come to a stop the engine light comes on and the fuel pedal has no response. If i shut the truck off and recrank it it will work fine till i come to a stop again at this time the pedal again has no response, until i shut it off and receank it . Please help me
Andy

Columbus, OH

#20 Apr 27, 2011
I got pricy high quality front steer tires from NTB for my 2000 wrecker and the scary ride vanished. You instantly notice the difference as pothole hits feel soft, cornering at high speeds is a breeze. Good luck.

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