shutter or shaking over 80 mph

kelticknight · **Posted:** Mon Nov 13, 2006 5:43 pm

was over taking on motorway and felt a shutter or shaking at around 80 mph
is this normal,if not
what would cause it

2006KJSPORT4x4 · **Posted:** Mon Nov 13, 2006 7:19 pm

gusts of wind, and pretty much wind period really affect the KJs when travelling at high rates of speed, I get it too when I start to go above 75mph....I would think it is normal, unless your hearing any sort of metallic clanging or something like that???

kelticknight · **Posted:** Mon Nov 13, 2006 7:23 pm

cheers guy for reply
doesnt happen below 80 mph,only above it
i bought the kj crd used
dont know if this has anything to do with it abit
rear tyres are like grapper treads and front tyres are normal ply treads

auggy · **Posted:** Mon Nov 13, 2006 7:50 pm

I hate to be the guy to say this, but it's a jeep. The reason it shudders above 80 mph is that it is a JEEP .. nothing more.

bmg9b · **Posted:** Mon Nov 13, 2006 7:51 pm

kelticknight wrote:

dont know if this has anything to do with it abit
rear tyres are like grapper treads and front tyres are normal ply treads

I've seen a bunch of people doing that around here... especially on cruddy old 2WD pickups... but I've always heard it's real hard on vehicles.

kelticknight · **Posted:** Mon Nov 13, 2006 7:53 pm

NOT for speed,only offroading and getting places
thats ok, as long as no probs
next up,diesel filter change and oil change for winter

kelticknight · **Posted:** Mon Nov 13, 2006 7:54 pm

bmg9b wrote:

kelticknight wrote:

dont know if this has anything to do with it abit
rear tyres are like grapper treads and front tyres are normal ply treads

I've seen a bunch of people doing that around here... especially on cruddy old 2WD pickups... but I've always heard it's real hard on vehicles.

will be changing next year ,will get normal grappers for road,will help alittle

MikeD0106 · **Posted:** Tue Nov 14, 2006 2:01 am

My KJ used to shutter at 75-80 until she got used to the high speeds. Now the KJ handles reasonably well at 75+. Do need new tires though.

Just FYI - Most of the rural freeways outside of metro Phoenix are 75mph.

warblade666 · **Posted:** Tue Nov 14, 2006 2:47 am

I wouldn't know... have never taken it over 75mph. max speed limit here is 65.
:roll:

sleeve84028 · **Posted:** Tue Nov 14, 2006 8:31 am

Above 80MPH my Liberty (on the expressway) will develop a very low hum. My Liberty is completly stock right down the the goodyear tires. I'm hoping a tire change sometime soon will eliminate the problem.

But until that noise disappears the limit for my Liberty is 80 MPH

auggy · **Posted:** Tue Nov 14, 2006 10:42 am

MikeD0106 wrote:

My KJ used to shutter at 75-80 until she got used to the high speeds. Now the KJ handles reasonably well at 75+. Do need new tires though.

Just FYI - Most of the rural freeways outside of metro Phoenix are 75mph.

That's true but that does not mean that the lib was designed to go that fast. Trust me I have taken my lib to speeds faster than 80 mph but the shaking is just part of it being a jeep

Jeger · **Posted:** Tue Nov 14, 2006 10:46 am

Have had our CRD up to 90 and had no shake that I couldnt attribute to road irregularities. Cruised through mountians with cruise set on 80 with no problem. Of course we were loaded down pretty heavy so that might have smoothed things out a bit.

hyedipin · **Joined:** Thu May 11, 2006 10:20 am **Posts:** 1667

Several times hit 80, and had no problems on goodyear wrangler HP 17" tires. Also went up to 100 once or twice, but most of those times it was flooring so had the engine shaking the KJ a bit, steering was still OK.. But if I were to let go of the gas and cruise from 100 down to 80, still no obvious violent shakes.
Normally drive around 50-65mph.

One thing I noticed, if you go up on the mph steadily, you don't even notice you are speeding, untill you glimps at the dashboard.

Do not speed.

Jeepjeepster · **Posted:** Tue Nov 14, 2006 1:00 pm

My jeep shakes alittle around 80mph. I think its just the A/T tires though. My hp's shake alittle too but they have around 22k on them and theyve never been balanced. Been needing to get that done but I know its just going to bring the clear coat off the lip of the rim and look worse than they already do..

Im thinking about getting them re-cleared..

kelticknight · **Posted:** Tue Nov 14, 2006 2:11 pm

i guess me having grabbers in rear and normal road tread tyres in front dont help

kelticknight · **Posted:** Tue Nov 14, 2006 2:11 pm

i guess me having grabbers in rear and normal road tread tyres in front dont help

jeepgirl0385 · **Posted:** Tue Nov 14, 2006 2:16 pm

My Jeep shakes above 70 at the moment....but I am 99% sure that it is just tires. I have the awful POS Goodyear HPs that came with my Jeep. The darn dealer hasn't been able to balance them properly for like 2 years now. They rotated them around the other week, I had to get them derotated because they shook so bad I couldn't go over 65 without fear of breaking stuff.

I am looking forward to the ride of new tires....just not paying for them...

(I so wish the speed limit on highways was 75! I would be beyond thrilled!!! I am stuck in wussy 65mph zone....stupid NH! Of course, there are days everyone is driving like 80 and you have to go that or you get run over!)

kelticknight · **Posted:** Tue Nov 14, 2006 2:51 pm

getting service soon
passed its nct,which is like your yearly test to get as we call here road tax which you need to insure it,they check every,swinging off joints and everything
will be getting service in couple of weeks and ask to have check again
myself,thng having 2 different tyre tread doesnt help

hyedipin · **Joined:** Thu May 11, 2006 10:20 am **Posts:** 1667

jeepgirl0385 wrote:

(I so wish the speed limit on highways was 75! I would be beyond thrilled!!! I am stuck in wussy 65mph zone....stupid NH! Of course, there are days everyone is driving like 80 and you have to go that or you get run over!)

NY = 55mph :oops:

Jeepjeepster · **Posted:** Tue Nov 14, 2006 6:07 pm

Yea, 55mph around here too. I usually do around 65mph. I do 75mph in 65mph zones though..

There are some places I know better than to speed like that though.. :wink:

shutter or shaking over 80 mph

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