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Suspension / Lifts This is the place to discuss the suspension, lift systems, and other stuff underneath your Jeep Commander

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post #1 of 19 (permalink) Old 06-25-2019, 06:54 PM Thread Starter
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Completely lost!

I’ve spent days reading all of the posts and stickies regarding lifts and shocks. I acquired a RC 2” lift from someone who purchased but never installed. I’ve read about how factory shocks and UCAs should be replaced. And everyone seems to love Bilstein’s. 5100s are supposed to be for lifted trucks and 4600s are stock replacements. But after coming up empty while searching for 5100s I contacted Bilstein directly for recommendations. Bilstein responded that the 4600s were the only shock/strut they had for Commanders and therefore cannot recommend anything for lifted Jeep. I’ve also read where people are using Bilstein’s for Grand Cherokees because of similar platform. But someone else posted that Bilstein would not honor the warranty because of wrong application. I’ve got a 2008 Sport. Any suggestions would be appreciated because my head is spinning right now.

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post #2 of 19 (permalink) Old 06-25-2019, 08:35 PM
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4600s will work. The RC lift and all spacer lifts work by lowering where your struts mount to the Jeep. So strut size is irrelevant unless you just want the added length an adjustable strut will give you. I have the RC lift and I replaced my stock struts with Monroe Quick Struts. I wish I would’ve used a better quality strut though because 3 years later my front end is sagging enough to notice. I used the load leveler F150 shocks in the back and they are still standing tall.
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Mine: '06 XK Limited Hemi, QD II, RC Lift, Moog UCAs, F-150 rear shocks, CB, Brake Controller, Reman from Pro-Engines

Hers: '19 Honda Odyssey EX-L (3 kids)
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post #3 of 19 (permalink) Old 06-25-2019, 08:37 PM
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Forgot to add that I also used the Moog problem solver UCAs and haven’t had any issues will ball joints in 3 years.
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Mine: '06 XK Limited Hemi, QD II, RC Lift, Moog UCAs, F-150 rear shocks, CB, Brake Controller, Reman from Pro-Engines

Hers: '19 Honda Odyssey EX-L (3 kids)
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post #4 of 19 (permalink) Old 06-25-2019, 09:28 PM Thread Starter
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Join Date: Jun 2019
Location: Livonia, MI
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Quote:
Originally Posted by BenSmith View Post
4600s will work. The RC lift and all spacer lifts work by lowering where your struts mount to the Jeep. So strut size is irrelevant unless you just want the added length an adjustable strut will give you. I have the RC lift and I replaced my stock struts with Monroe Quick Struts. I wish I would’ve used a better quality strut though because 3 years later my front end is sagging enough to notice. I used the load leveler F150 shocks in the back and they are still standing tall.
That’s where I was getting lost. I understood that the RC was merely suspension lift. But when people were throwing around the 5100s but Bilstein said those don’t work on Commanders it threw me off. Heard lots of regrets on the Monroes too. For the F150 shocks did you just go by length? How did you know which ones to choose? I appreciate your feedback. Didn’t want to be the annoying newb that added a new post to a topic discussed ad nauseum. But many of the posts are from years ago and it seems frowned upon to resurrect dead threads too. And like I said, Bilstein wasn’t much help either.

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post #5 of 19 (permalink) Old 06-26-2019, 06:26 PM
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Quote:
Originally Posted by Jerry Nowak View Post
I’ve spent days reading all of the posts and stickies regarding lifts and shocks. I acquired a RC 2” lift from someone who purchased but never installed. I’ve read about how factory shocks and UCAs should be replaced. And everyone seems to love Bilstein’s. 5100s are supposed to be for lifted trucks and 4600s are stock replacements. But after coming up empty while searching for 5100s I contacted Bilstein directly for recommendations. Bilstein responded that the 4600s were the only shock/strut they had for Commanders and therefore cannot recommend anything for lifted Jeep. I’ve also read where people are using Bilstein’s for Grand Cherokees because of similar platform. But someone else posted that Bilstein would not honor the warranty because of wrong application. I’ve got a 2008 Sport. Any suggestions would be appreciated because my head is spinning right now.
You don't need any of that to install the RC lift unless you want to replace them. If not, just bolt on the RC lift and be done.


Keep your stock front and rear springs and if you want to replace the front shock then just buy the shock and have a shop swap out the old. This idea that you need new shocks is a new one for me.

Again, if you WANT new shocks by all means do it. If not then don't bother.
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Last edited by Legofan; 06-26-2019 at 06:30 PM.
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post #6 of 19 (permalink) Old 06-26-2019, 07:17 PM Thread Starter
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Join Date: Jun 2019
Location: Livonia, MI
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Model year: 2008
Trim Package: Sport
Power-Train: 3.7L V-6
4WD
If 4WD - system: QT-I
Current Mileage: 144,000
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Quote:
Originally Posted by Legofan View Post
You don't need any of that to install the RC lift unless you want to replace them. If not, just bolt on the RC lift and be done.


Keep your stock front and rear springs and if you want to replace the front shock then just buy the shock and have a shop swap out the old. This idea that you need new shocks is a new one for me.

Again, if you WANT new shocks by all means do it. If not then don't bother.
I figured it'd be a good idea to replace shocks anyway. I've had it for a year now and have spent a good portion of the time getting it mechanically sound. If the shocks aren't original, they still look pretty old/worn. At any rate, thanks for the help!

Living the dream...that's what I tell the guy in the mirror anyways.
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post #7 of 19 (permalink) Old 06-26-2019, 09:43 PM
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I was in the same exact boat 1 year ago and bought my xk with a well rusted/worn out set of monroes on it...
knowing i needed shocks, did a lot of research, and probed real world local 4x4 shop experiences among all the other threads here.
I went 5100s all around, and since i ordered through amazon by part#, no vehicle entered, i believe the warranty remains in tact. LOVE these shocks !! Rides around town like a caddy and soaks up loads of whoop de doos with very little fade. Highly reccommend, and if your willing to meet up for a brew on the east side, you can give it a test drive and see for yourself!
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post #8 of 19 (permalink) Old 06-26-2019, 10:31 PM Thread Starter
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Join Date: Jun 2019
Location: Livonia, MI
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Power-Train: 3.7L V-6
4WD
If 4WD - system: QT-I
Current Mileage: 144,000
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Quote:
Originally Posted by Stircrayzy View Post
I was in the same exact boat 1 year ago and bought my xk with a well rusted/worn out set of monroes on it...
knowing i needed shocks, did a lot of research, and probed real world local 4x4 shop experiences among all the other threads here.
I went 5100s all around, and since i ordered through amazon by part#, no vehicle entered, i believe the warranty remains in tact. LOVE these shocks !! Rides around town like a caddy and soaks up loads of whoop de doos with very little fade. Highly reccommend, and if your willing to meet up for a brew on the east side, you can give it a test drive and see for yourself!
Test drive sounds cool. Beer on the east side sounds even better (cousins lived at 12/Gratiot growing up). Unfortunately this is the time of year my kids’ sports schedules drive me nuts. Daughter’s high school basketball team continue to play all summer to stay competitive. And my son is on a travel lacrosse team. We’ll be in Indy this weekend for his tournament. I’m thinking sooner rather than later on replacing shocks. Rain check on the beer! Thanks for the advice
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post #9 of 19 (permalink) Old 06-27-2019, 08:09 AM
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Quote:
Originally Posted by Stircrayzy View Post
I was in the same exact boat 1 year ago and bought my xk with a well rusted/worn out set of monroes on it...
knowing i needed shocks, did a lot of research, and probed real world local 4x4 shop experiences among all the other threads here.
I went 5100s all around, and since i ordered through amazon by part#, no vehicle entered, i believe the warranty remains in tact. LOVE these shocks !! Rides around town like a caddy and soaks up loads of whoop de doos with very little fade. Highly reccommend, and if your willing to meet up for a brew on the east side, you can give it a test drive and see for yourself!

Did you buy quick struts or have a shop swap out the front springs to the new shocks?


Also, it's helpful if you direct link the shocks you installed on your vehicle so others can find them easily.
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post #10 of 19 (permalink) Old 06-27-2019, 11:04 AM
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Quote:
Originally Posted by Jerry Nowak View Post
That’s where I was getting lost. I understood that the RC was merely suspension lift. But when people were throwing around the 5100s but Bilstein said those don’t work on Commanders it threw me off. Heard lots of regrets on the Monroes too. For the F150 shocks did you just go by length? How did you know which ones to choose? I appreciate your feedback. Didn’t want to be the annoying newb that added a new post to a topic discussed ad nauseum. But many of the posts are from years ago and it seems frowned upon to resurrect dead threads too. And like I said, Bilstein wasn’t much help either.
Jerry;

First & foremost, the RC Lift is a spacer lift - NOT a suspension lift. Despite what Bilstein's website says - or what they tell you, you can go with 4600's or 5100's they both will fit; the 5100's are longer - which is good for the rear in particular, because it will allow your rear axle a little more travel.

Before I upgraded to the Superlift, I had B6 4600's in the front and 5100's (non-adjustable) in the rear. I actually still have my B6 4600's up front (Part # 24-186797).

Just pay attention to which 5100's you order, because they have a few different variations of it - height adjustable and not height adjustable for starters. Either one will work, just want you to be aware that there are a few different variations of it.
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Last edited by Big Blue; 06-27-2019 at 11:06 AM.
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