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Discussion Starter · #1 ·
It looks like I'm going to be keeping the Cruze a little longer than what I expected, and I'm looking at doing struts and shocks.

For some of you that have been around for a while like @XtremeRevolution will remember that early 2011 and 2012 Cruzes prior to VIN C7239134 required replacement of the spring when doing struts. I've searched this forum high and low and I can't find these old threads explaining the changes, and concerns with just swapping cartridges into the old springs.

I thought Xtreme did a How-To on front struts, rather than his review at 100-500 miles which I found, but it didn't mention this issue.

Does anyone remember exactly what the differences were between the springs used on pre VIN C7239134 and the current GEN 1 springs?

While KYB and Monroe both have a strut for prior to VIN C7239134 and after, Bilstein B4's only have one part number.

If I go with the B4's would I need to buy new OEM springs as well?

I know the B6's are heavy duty, but that's a few hundred more for a car that doesn't see that much driving anymore. I'd like to avoid ending up ordering parts that don't work together if I order the B4's and use my springs.

My springs are in good shape, and were repaired late in 2011 on a 2012 build, prior to the service bulletins requiring spring replacement redesign.

Now 7 years latter finding all this info on the internet is harder to come by in searches. Anyone remember the details with this?

Thanks-

Carbon02
 

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It looks like I'm going to be keeping the Cruze a little longer than what I expected, and I'm looking at doing struts and shocks.

For some of you that have been around for a while like @XtremeRevolution will remember that early 2011 and 2012 Cruzes prior to VIN C7239134 required replacement of the spring when doing struts. I've searched this forum high and low and I can't find these old threads explaining the changes, and concerns with just swapping cartridges into the old springs.

I thought Xtreme did a How-To on front struts, rather than his review at 100-500 miles which I found, but it didn't mention this issue.

Does anyone remember exactly what the differences were between the springs used on pre VIN C7239134 and the current GEN 1 springs?

While KYB and Monroe both have a strut for prior to VIN C7239134 and after, Bilstein B4's only have one part number.

If I go with the B4's would I need to buy new OEM springs as well?

I know the B6's are heavy duty, but that's a few hundred more for a car that doesn't see that much driving anymore. I'd like to avoid ending up ordering parts that don't work together if I order the B4's and use my springs.

My springs are in good shape, and were repaired late in 2011 on a 2012 build, prior to the service bulletins requiring spring replacement redesign.

Now 7 years latter finding all this info on the internet is harder to come by in searches. Anyone remember the details with this?

Thanks-

Carbon02
Spring length is the difference. The spring perch was moved. I believe they lengthened the spring on later models. I had my front struts replaced under warranty for clicking/knocking, and when I installed the Bilstein B6 HD shocks, they were a perfect fit. Bilstein's shocks will comply with the newer design.

Worst case, just order the replacement springs on gmpartsdirect.com or something and you'll be all set.
 

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It looks like I'm going to be keeping the Cruze a little longer than what I expected, and I'm looking at doing struts and shocks.

For some of you that have been around for a while like @XtremeRevolution will remember that early 2011 and 2012 Cruzes prior to VIN C7239134 required replacement of the spring when doing struts. I've searched this forum high and low and I can't find these old threads explaining the changes, and concerns with just swapping cartridges into the old springs.

I thought Xtreme did a How-To on front struts, rather than his review at 100-500 miles which I found, but it didn't mention this issue.

Does anyone remember exactly what the differences were between the springs used on pre VIN C7239134 and the current GEN 1 springs?

While KYB and Monroe both have a strut for prior to VIN C7239134 and after, Bilstein B4's only have one part number.

If I go with the B4's would I need to buy new OEM springs as well?

I know the B6's are heavy duty, but that's a few hundred more for a car that doesn't see that much driving anymore. I'd like to avoid ending up ordering parts that don't work together if I order the B4's and use my springs.

My springs are in good shape, and were repaired late in 2011 on a 2012 build, prior to the service bulletins requiring spring replacement redesign.

Now 7 years latter finding all this info on the internet is harder to come by in searches. Anyone remember the details with this?

Thanks-

Carbon02

Probably not what you want, but this is what I have found so far:

Improving the 2011-2016 Cruze Handling & Suspension

[h=1]RE: TSB PI0645, why new Springs?[/h]
 

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Discussion Starter · #4 · (Edited)
Thanks guys. I did find the Improving handling thread, but I didn't find the new springs thread. I remember it though.

You confirmed my suspicions. If I go with the Bilstein B4 I'll need springs. Since I'm considering doing this on a budget I'm tempted to consider KYB-G2, complete quick struts. I can get the complete assembly for the price of the G2 strut and new mounts, and I don't have to deal with the compression.

A bit surprised that Some manufacturers, Monroe, and I thought KYB had different assemblies for before and after the VIN break point. Why they wouldn't just use on part number, since the customer is installing what should be a matched spring and strut I don't know.

A side not to Balsirl-

Balsirl- I'm located one state over from you, are you finding a lot of Cruze GEN 1 in U Pull yards at a competitive price, or do you have a connection to get your seats? Guessing your getting a good deal pulling yourself.

I think there's only one U Pull yard near the twin cities and most of the new stuff is still 2005 and older. I snapped some dash vents in year 3, and I've lived with it since then. Maybe it's cheaper to just buy new, plastic in a yard can be brittle, unless you get it dirt cheap.
 
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