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9th Gen Suspension Springs, Shocks and Brakes.

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post #1 of (permalink) Old 08-03-2019 Thread Starter
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Police struts

Hello everyone, first time posting in awhile. I'm a former B-body owner that is getting a 2010 impala ready for my daughter. I decided to go with police package struts because I read that they were supposed to be direct bolt on. Got one front strut in and noticed that the brake hose will not stretch far enough if I let the whole assembly down. Is there a police package brake hose that's a little longer? It's a 2010 Impala LS with the 3.5 thanks in advance.
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post #2 of (permalink) Old 08-03-2019
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Quote:
Originally Posted by Krizimpala View Post
Hello everyone, first time posting in awhile. I'm a former B-body owner that is getting a 2010 impala ready for my daughter. I decided to go with police package struts because I read that they were supposed to be direct bolt on. Got one front strut in and noticed that the brake hose will not stretch far enough if I let the whole assembly down. Is there a police package brake hose that's a little longer? It's a 2010 Impala LS with the 3.5 thanks in advance.
Welcome back to the forum.

I've looked around on three different GM parts websites, but haven't seen any front brake hoses that had separate police callouts such as a 9C1 RPO code next to the part. (JIC, For example, in the pic below, you can see the 9C1 callout for the police brake pads.)

https://www.gmpartsdirect.com/auto-p...nt-brakes-scat

https://www.gmpartsgiant.com/parts-l...a323f2d7f70265

https://www.gmpartsonline.net/v-2010...--front-brakes

I'm wondering if possibly you have a car with the wrong brake hose installed. Or maybe the struts you got are not the correct ones.

But I can't find any indication that a police car would use different brake hoses. Different pads and other parts, yes, but not hoses. Sorry I can't be more help.

Doug

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Last edited by plano-doug; 08-03-2019 at 06:26 PM.
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post #3 of (permalink) Old 08-04-2019 Thread Starter
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Thank you for the response. I'm just really confused. My searches have pointed in the same direction. I got the AC Delco struts off rockauto and even on other sites they come up as police/taxi for a 2010 Impala. I'm starting to worry someone put the wrong strut in the right box. I needed to loosen the sway bar end link to drop the control arm a little to get the knuckle bolt holes lined up with the strut. I understand the 9c1 struts ride a little higher, but should the fully extended length have been any different?
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Quote:
Originally Posted by Krizimpala View Post
Thank you for the response. I'm just really confused. My searches have pointed in the same direction. I got the AC Delco struts off rockauto and even on other sites they come up as police/taxi for a 2010 Impala. I'm starting to worry someone put the wrong strut in the right box. I needed to loosen the sway bar end link to drop the control arm a little to get the knuckle bolt holes lined up with the strut. I understand the 9c1 struts ride a little higher, but should the fully extended length have been any different?
I'm not sure what the next step should be. I can think of several things to try, but they may also be a waste of time

One thing that may be simple is to do a side-by-side comparison. Were the new struts complete with springs and mounts? Or did you have to assemble them by moving the spring and mounts over from the old ones?

If you can take just the strut cores and lay them next to each other, how do they compare? Are they the same length? Are the lower spring mounts in the same positions? With the rods pulled out all the way, how do they compare?

As for having to remove the sway bar link, I can't recall whether I needed to do that or not, but probably did. In fact, I might have also put a pry bar on the control arm to bend it down to get the bottom strut hole lined up with the hole in the steering knuckle.

One of the upsides to going to a parts store, and, I will add, a sort of tradition, is that you can lay the old and new parts side-by-side on the counter for comparison.

If you decide to pursue some more police type struts, and you can find them at a local outlet, take your old one with you for a comparison.

If you find police struts but they're again too tall, you can then fall back to regular stock struts, and put this to rest - for sure, this sort exercise can be frustrating.

Doug

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Side by side they are pretty much the same from what I could see as far as the length. The new ones definitely have more spring in there and I think the spring is a tad thicker. Anyway, I ended up finishing the rest of the struts(and rear brakes) today and noticed the passenger side front was fine. It wasn't very noticeable, but I think the mechanic knocked the brake hose bracket out of position on the driver's side when they put the new trans in. I re-positioned the bracket back to how it was supposed to be and it made all the difference. Not that I had much choice when your trans takes a dump in the middle of the winter, but this is why I hate bringing my car to mechanics. I get it's how you gotta make a living in that profession, but they're always in a mad rush. I remember checking everything out when I got the car back from the shop and a few bolts on the engine bay braces weren't tightened down. I want my caprice back, this 2010 impala was my last straw with GM cars.
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post #6 of (permalink) Old 08-08-2019
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If the ones you purchased have a GM number, call a Chevy dealership and see if the part numbers are the same. You can also call Matt at BriggsAuto.com in Manhattan, KS. He's really good at this stuff! He works in the internet parts sales for Buick, but has access to GM parts.
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