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View Poll Results: Experiencing shudder, Do you have Quadra-Lift ?
Yes, I have Quadra-Lift and I am experiencing shudder 15 71.43%
No, I do not have Quadra-Lift, but I am experiencing shudder 6 28.57%
Voters: 21. You may not vote on this poll

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  #1  
Old 03-13-2011, 12:15 PM
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Shudder, Do you have Quadra-Lift ?

I have not seen anything yet that shows a link between Quadra-Lift and shudder, but I'm wondering if there might be a relationship there. If you are experiencing shudder, do you have Quadra-Lift ?
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  #2  
Old 03-13-2011, 04:30 PM
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Re: Shudder, Do you have Quadra-Lift ?

I have the Quadra-Lift II, i do not know if there is any relation there. However, i know that that the shudder is not normal, and you need to bring your jeep back to the dealership.
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  #3  
Old 03-14-2011, 08:17 AM
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Re: Shudder, Do you have Quadra-Lift ?

8 is not a large sample size but 3x the number have QL??? I can't see any connection but what else if different about a QL equiped GC?
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Old 03-14-2011, 08:19 AM
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Re: Shudder, Do you have Quadra-Lift ?

It happens with a WOT between 40 and 50. Could it be that the QL system is having problems during WOT when going into aero mode?
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Old 03-14-2011, 08:58 AM
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Re: Shudder, Do you have Quadra-Lift ?

Numbers for this poll are likely to be skewed because majority of active forum members seem to have Overlands with QL standard
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Old 03-14-2011, 09:26 AM
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Re: Shudder, Do you have Quadra-Lift ?

Does it occur in both V6 and V8 engines?
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Old 03-14-2011, 01:16 PM
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Re: Shudder, Do you have Quadra-Lift ?

No poll selection for NO Shudder WITH Quadra Lift?

No shudder here. Laredo X V6 with Quadra Lift.
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Old 03-14-2011, 01:20 PM
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Re: Shudder, Do you have Quadra-Lift ?

Quote:
Originally Posted by vikingdave View Post
I have not seen anything yet that shows a link between Quadra-Lift and shudder, but I'm wondering if there might be a relationship there. If you are experiencing shudder, do you have Quadra-Lift ?
I have my Laredo with QL and have a shudder, I also have a Limited without QL and have a shudder.
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Old 03-14-2011, 01:27 PM
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Re: Shudder, Do you have Quadra-Lift ?

It's hard to say how meaningful the poll results are without knowing what percentage of members have QL, but it seems logical to me that the additional lift could cause some issues with fit and alignment. I also wonder if the ability to compensate for movement is diminished during high-torque situations. If so, WOT at 50MPH is exactly where you would have problems as the QL lowered. If so, it also is reasonable to expect more problems with the Hemi given the large torque difference between it and the V6. My gut is that there are many more Jeeps without QL than with them so the poll results may be very meaningful. Of all the GC's at my local dealer only maybe 20% of them have QL.
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Old 03-14-2011, 03:36 PM
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Re: Shudder, Do you have Quadra-Lift ?

Quote:
Originally Posted by JayB View Post
No poll selection for NO Shudder WITH Quadra Lift?

No shudder here. Laredo X V6 with Quadra Lift.

Good point. I have an Overland (w/QL) Hemi and 2900 miles. No shudder.
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Old 03-14-2011, 03:38 PM
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Re: Shudder, Do you have Quadra-Lift ?

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Originally Posted by joebinotto View Post
Does it occur in both V6 and V8 engines?
There was another poll here and nobody with V6 reported shudder if I remember correctly.
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Old 03-14-2011, 05:33 PM
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Re: Shudder, Do you have Quadra-Lift ?

V6 with QL2, No shudder on my end.
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