Any one know how serious this might be? If I accelerate this doesn't happen and it shift's smooth as silk. However, if I am just puttering along duing the shift from 2nd and 3rd it feels like it slams in to the next gear? This usually only happens when I haven't gotten over 25-28 mph and it's going into 3rd gear. The obvious answer is "go faster then that" but there are times (school zones) when I can't. Any ideas?
99 GC Limited - 4.7L HO V8, 6.5" IRO HC LA lift, F&R D44s locked & trussed, 242HD, IRO TC Skid, KMA Bumper, 35's 2006 Saturn Redline -2.0L Eaton supercharged I4, GMPP Stage 2, Custom Tune, AEM CAI, Ebiach Pro Kit w/ swaybars, EVO Ventus V12s (13.76 @ 103.85) 2006 Pontiac G6 GTP 2012 Nissan Juke - (hers) 2000 SV650 - naked, integrated tail light, sliders, corbin, pilot roads, RK chain & sprokets, D&D full exhaust, FactoryPro Stage I jet kit, +4 Ignition Advancer, Barnett race clutch 2006 Triumph America 900 - Full Dresser
I have this EXACT problem. It seems as though it only happens when the engine is cold. If I've got the foot on the gas and the engine is pulling, it shifts fine. However, if I've barely got my foot on the gas when it is near the shift point, it seems like it slams into a gear. I've got a 2002 Overland with 40k miles on it.
I think what everyone is describing happens to be completely normal. During cold operation, it is normal for the transmission to shift roughly especially between two and three. This prevents the engine from over-revving itself when cold. Generally the problem should get better as the transmission fluid and engine oil heat up. If you have this problem when warm also, then you may have to have the transmission flushed and bands adjusted. The transmission on my 96 Limited did the same thing at 125K miles. Now almost 20K miles later the transmission still shifts smoothly. Overall, Grand Cherokee transmissions do shift a little harsher than some other vehicles, but are very durable so I wouldn't suspect this shifting problem to be anything major. Transmission services can be very costly, but will mostly likely solve this problem. Good Luck.