Shocks / clunk in rear - Hyundai Forums : Hyundai Forum
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#1 Old 01-01-2013, 05:21 PM
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Shocks / clunk in rear

I finally decided to crawl under and investigate the CLUNK I hear whenever hitting a bump... Aside from the noises, the ride is absolutely losy - sometimes bouncing borders on "uncontrolled" for lack of a better explanation.

Not too sure but it could appear I have leaky shocks for starters. Nothing is dripping out in large quantities, but there's a lot of suspicious oily coating on things back there.... There was an oily coating on the shock that I wiped off with my finger.

Passenger's side:


Wiped some of it off:


Driver's side:



Videos from underneath: (click to open link)


Passenger's side where the clunk is the loudest:



Almost 112k on it and will be 7 years old on 1/4... I guess I will go ahead and replace the shocks (with KYB's) but do you guys think there may be something else that could be contributing to the clunk that needs to be replaced? I can't really seem to tell exactly where it is coming from, I tried feeling around on the shock and spring while it was thumping and didn't feel anything.

It could really use struts too up front too, but I was quoted anywhere from $600 to $1000 for Monroes (no local KYB installers,) and $1200 for OEM at the dealer for shocks/struts/and alignment. The car already needs a full brake job and a drive belt/timing belt/water pump replacement and a few other odds and ends that are failing in its old age. By the time I add all this up, it exceeds what the car is worth (on trade-in at least.)

I guess it may be an easy-ish DIY for rear shocks, but I'm a little confused about what all needs to happen that is not outlined in hmaservice. I see I need to transfer the mount, but the diagram has all kinds of different pieces involved -- does all that come off at the same time in one piece, so I just transfer the mount/retainers/whatever else in one piece and tighten down the one nut on the top? What about the dust covers, is that another item to transfer over?

Or if I buy the OEM garbage from the dealer, will it already contain the whole shebang and I just bolt them up? I really hate to do that since they're expensive and I never have felt the suspension components in stock form were ever really up to par even when new.
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#2 Old 01-01-2013, 08:08 PM
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for the clunk (on a 7 year old car) I suggest you look at any rubber bushings in the suspension. I'm not familiar / have not looked at the suspension on the Accent, so I can't get more specific.

As far as replacement parts, I know when it comes time for me to replace shocks and struts, I will probably by the parts online and have a local mechanic do the labor. Should be a lot less than dealer/chain prices.

As far as struts, they usually just come out as a unit, then you need a spring compressor tool to take them apart. Check out some youtube videos for basic guidance. The Accent probably has a pretty basic suspension config, so it might be a good candidate to learn / DIY.

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#3 Old 01-02-2013, 08:11 AM
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If you are gunna change the shock I would suggest replacing the upper rubber mount aswell. The film on the shock doesn't look concerning, however after 7 years of driving there worn. I would bet the rear upper shock mount is probably making noise, as shock leak with time, but have to be completely blown to make noise

So replace the shock with a lifetime KYB GR2, and replace the upper rubber mount aswell, should be one bolt at the bottom of the shock, and 2 bolts at the top to remove the mount......throw it away. Bolt in new unit.

Be sure to check exhaust mounts, and interior panels while your there are they can cause rattles, and bangs aswell

Duro

Last edited by Duro5341; 01-02-2013 at 08:14 AM.
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#4 Old 01-02-2013, 12:38 PM
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Thanks guys.

I looked at it again today, shook the car while hanging onto the top of the right rear shock. I was able to feel the clunk from up there as the shock traveled downward. So yes, definitely the shock or mount.

Guess I'll be putting an order in soon... Mounts look to be a dealer-only item. Found some KYB's on Amazon that ship with Prime, but they're the SE ones -- they don't have the GLS ones prime eligible. Would it be a bad idea to upgrade to the stiffer SE style shocks and leave the rest as the sloppy GLS spec stuff? Plenty of other places to find the GLS-spec KYB's if that's a better idea. lol
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#5 Old 01-02-2013, 01:35 PM
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Rear KYB shock - 348002 (excel-g - Formerly GR2) - $88 each
Rear shock mount Monroe - 906971 $36 each

Everything avaliable at my suppliers anyway....

Not sure if SE shocks will work as they are 2 door hb, and you have a sedan

Duro

Last edited by Duro5341; 01-02-2013 at 01:40 PM.
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#6 Old 01-02-2013, 02:04 PM
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Upon further investigation the shocks are the same from 06-11, weather it's a hatchback, or sedan........

So yes the SE KYB shocks part number - 348007 should work, just different internal valving

Mounts are the same aswell.....

Duro

Last edited by Duro5341; 01-02-2013 at 02:09 PM.
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#7 Old 01-03-2013, 06:42 AM
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Quote:
Originally Posted by hoosieraccent View Post
Guess I'll be putting an order in soon... Mounts look to be a dealer-only item.
Rock Auto has them (Monroe PN# 906971) for $20.79 ea. - look under "Suspension", "Strut Mount".

You might get them from the Dealer cheaper, I dunno.

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#8 Old 01-03-2013, 09:48 AM
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Huh, who knew? I saw those but disregarded as they said 'strut.' (I remember early on, some parts places had '06 LC stuff too, which was an entirely different rear suspension than '06 MC so I must have dismissed it as strut mounts for the LC.) But sure enough, that appears to be the shock mount.

The online parts catalog I checked show the OEM mount at twice that (list price.)

Thanks for the tip, I never would have noticed otherwise.

Last edited by hoosieraccent; 01-03-2013 at 10:02 AM.
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#9 Old 01-05-2013, 08:37 PM
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After much deliberation, I decided to stick with the 348002's to stay close to the original GLS specs.

Now I just need to figure out how to safely raise and support the car. I think that's going to be worse than replacement. I've never jacked this one up from the rear with anything besides the factory scissor jack and I bent the engine cradle jacking it up in the front, so I have not had much luck with this thing. Any tips are appreciated. lol

I'm going to order a pad for my jack to help safely lift from the pinch welds too..
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#10 Old 01-05-2013, 10:47 PM
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I know when it comes time for me to replace shocks and struts

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