I have a 2014 LT Limited. As yous know Its the not the New Style Impala. We use cookies to give you the best possible experience on our website. My question is: can I use the cheaper struts? The GXP is FE3. FE1 is soft or standard, FE2 is sport or performance, and FE3 is high performance such as Corvette. Regardless of whether the car is FE1, 2 or 3, the front is 23mm and rear is 16mm. Im under the assumption that the FE3 is the sport suspension version in the Impala. Like I said, I have the FE2 setup on mine and I've found it to be a good compromise between "traditional Cadillac" soft FE1 and autobahn hugging FE3. STRUT,FRT SUSP LEFT HAND; w/SOFT RIDE SUSP(FE1) or SUSP(6LR) $136.89. The FE3 suspension is a thicker rear swaybar, different rear springs, and front and rear shocks/struts. 12-29-2011, 12:48 PM #3. thebassbuilder. The 'Touring' (or FE1) set-up is used on Evoke, Calais and Calais V; the 'Sport' FE2 is reserved for SV6, SS and SS V; and the 'Track' FE3 suspension is available on SS V Redline only. FE3 suspension also is stiffer overall, providing greater stability at higher speeds than that offered by the FE1/FE2 tuning. Does anyone know what the standard suspensions (FE1,FE2,FE3) were for the different models of Ions? The 2012 Impala LTZ features 18-inch wheels. and requires a slightly higher load spring to keep the trim height in specification. rpo: fy: ly: divisional rpo description : fe1 : 76 : 81 : rally suspension package: fe1 : 87 : 88 : suspension system,soft ride: fe2 : 76 : 81 : rally suspension package FE2 = the option code for the base suspension FE3 = option code for uplevel suspension You will notice that the SKY LE5 front spring has a higher load. It's possible they did not put the standard code FE1 on the sticker since most models came with that type of suspension. FE2 is the GT suspension. Sounds like the FE2 setup would probably be more to your liking ride wise, but you'd give up the limited slip differential thanks to some oddball thinking at Cadillac, unfortunately. In years when the Impala SS was offered, it was also equipped with the FE3 tuning. I have a 2004 impala Ls with the 3.8L v6 and I need to find out if it has an fe1, fe2 or fe3 suspension? FE1 SUSPENSION SYSTEM , SOFT RIDE FE2 SUSPENSION SYSTEM , \"RIDE, HANDLING\" FE3 SUSPENSION SYSTEM , SPORT FE3 are stiffer (sport) ride suspensions. The Chevy dealer or a body shop should be able to tell you for sure. ACDELCO Part # 505526 More Information About this Part {#22064724} STRUT,FRT SUSP RIGHT HAND; w/SOFT RIDE SUSP(FE1) or SUSP(7LR) $142.79. Many here upgrade front and rear sway bars on the Aurora to FE3 Seville STS sway bars. I have no idea what the rates are, but I'd be surprised if the difference was big enough that the FE2/3 springs couldn't be used with FE1 dampers. My wife owns a '05 Ion3 Sedan with automatic. fe0 : suspension system, frt & rr, active fe1 : suspension system, soft ride fe2 : suspension system, ride handling fe3 : suspension system, sport fe5 : suspension system, ride l handling ---- delete fe7 : suspension system, frt & rr hd, var 3 fe8 : radial tuned suspension It does not say FE1 explicitly, but what else could it be? According to the label in the trunk, the car has an FE1 suspension. In general, the SKY is slightly heavier due to option content, differences in structural mass, etc. Looks like front springs are not different, but rears are. My question is the Suspension feels like my old Grand Pappys 87 Chrysler 5th Avenue. I was thinking that the FE2 suspension would have been on the level 3 model. - Answered by a verified Chevy Mechanic.