Went for a cruise down to the central coast over the long weekend and I noticed there is a slight shudder when accelerating either at high or low speed.. almost like its misfiring but it isn't, the revs remain constant I just feel a slight kick back n forth shuddering. Kinda hard to explain but could also be mistaken for a bumpy ride. It could be normal and i'm just not used to it since its my first time owning a 4WD after switching from a sedan which was quite low.
Have you ever had it checked over or serviced? Sounds like it's not running on all cylinders or similar, perhaps a lead or spark plug? If in doubt change them all. Any error or engine lights on the dash?
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__________________ 2010 KK Sport, LPG, Mygig, Uconnect, JBA UCAs, 3" CRDstu lift & Uneek bull bar.
SUBJECT:
Flash: Surge, Shudder Or Pulsation At Highway Speeds
OVERVIEW:
This bulletin involves selectively erasing and reprogramming the Powertrain Control
Module (PCM) with new software.
MODELS:
2009 - 2011 (KA) Dodge Nitro (International Only)
2009 - 2012 (KK) Jeep Liberty (International Only)
NOTE: This bulletin applies to vehicles equipped with a 3.7L engine (sales code
EKG).
SYMPTOM/CONDITION:
A small number of customers may experience a surge, shudder or pulsation type
sensation when driving on smooth road surfaces at highway speeds of 37-62 mph (60-100
km/h). Some customers may also describe the sensation similar to that of a fish biting on a
fishing line (fishbite) .
SUBJECT:
Flash: Surge, Shudder Or Pulsation At Highway Speeds
OVERVIEW:
This bulletin involves selectively erasing and reprogramming the Powertrain Control
Module (PCM) with new software.
MODELS:
2009 - 2011 (KA) Dodge Nitro (International Only)
2009 - 2012 (KK) Jeep Liberty (International Only)
NOTE: This bulletin applies to vehicles equipped with a 3.7L engine (sales code
EKG).
SYMPTOM/CONDITION:
A small number of customers may experience a surge, shudder or pulsation type
sensation when driving on smooth road surfaces at highway speeds of 37-62 mph (60-100
km/h). Some customers may also describe the sensation similar to that of a fish biting on a
fishing line (fishbite) .
Yup that sounds about right. How does one obtain the new software mentioned?
I had similar issue added this:
Lubeguard Instant Shudder Fix Automatic Transmission
Believe it or not no more shudder
I might just get the transmission serviced with a filter kit and new oil then add this in since I don't know when the last owner did it. Do you know how many litres of trans oil I need for the transmission in the KK?
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2010 Jeep Cherokee KK Limited
Shudder while accelerating
2010 KK Sport, LPG, Mygig, Uconnect, JBA UCAs, 3" CRDstu lift & Uneek bull bar.
