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Old 08-27-2013, 10:27 AM   #1
Arrwin
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Shock Through Trunk! Subframe?

Hey guys,

Started to hear a progressively bad clunking from the rear passenger side trunk. Indy diagnosed as blown shock which also pierced through the body to the trunk. Replaced the rear shocks and was driving great for a week but then clunking again! The car is an '00 E46 323i.

Anyone had this problem and is this the subframe issue i've read about?

Here's what it looks like....ouch!
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Old 08-27-2013, 10:33 AM   #2
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Your mechanic is dumb if the shock poked through again. Are those pics after he replaced the shocks? If so, he left out a very crucial large washer when he installed new shocks and shock mounts. No it's not the subframe
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Old 08-27-2013, 10:43 AM   #3
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Quote:
Originally Posted by Mango View Post
Your mechanic is dumb if the shock poked through again. Are those pics after he replaced the shocks? If so, he left out a very crucial large washer when he installed new shocks and shock mounts. No it's not the subframe
Mango,

Thanks for the quick reply. Yes. These pics are after the new shocks were installed. I will make sure they check the washer. Glad it's not the subframe ($$$) issue.

Thanks again.
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Old 08-27-2013, 10:47 AM   #4
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Holy jesus that's insane.
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Old 08-27-2013, 10:56 AM   #5
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Make sure your mechanic installed the dust shield, bumper, and all other hardware.

Many non German car mechanics do not fully realize what is required for the shock/strut installation.

Additional, replacement rear upper shock mounts should have been installed.

A raw shock has NOTHING other than the lower bushing and upper nut, installed must either have new replacement accessories or reuse the accessories from the original shock. Many time the shocks center rod breaks just below the shock mount and washers, bumpers and dust shield can fall off.
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Old 08-27-2013, 10:57 AM   #6
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Wow! Some shops are just full of fools, hate when they forget something.
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Old 08-27-2013, 10:58 AM   #7
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Quote:
Originally Posted by jfoj View Post
Make sure your mechanic installed the dust shield, bumper, and all other hardware.

Many non German car mechanics do not fully realize what is required for the shock/strut installation.

Additional, replacement rear upper shock mounts should have been installed.

A raw shock has NOTHING other than the lower bushing and upper nut, installed must either have new replacement accessories or reuse the accessories from the original shock. Many time the shocks center rod breaks just below the shock mount and washers, bumpers and dust shield can fall off.
Sounds like his mechanic may have installed new shock mounts.
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Old 08-27-2013, 11:04 AM   #8
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This happened to me in my last vehicle (02 lancer) the mechanic also forgot to put the washer and the strut went right through
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Old 08-27-2013, 11:06 AM   #9
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Missing is the lower plate (33526762325;#6 below), or the shim (33526779398;#5 below) which caused the shock rod to poke through the plate.

First RSM failure was probably due to age, this one due to installation error. That indeed is not your subframe, but on a 323 I would get it inspected anyway. But choose another shop as I wouldn't trust one who can't put a shock assembly together.

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Old 08-27-2013, 12:24 PM   #10
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yep see this all the time. he probably forgot the washer as mentioned. there are dozens of threads on this.

I would make him do the labor for free and part if he's honorable.
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Old 08-27-2013, 01:07 PM   #11
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Ouch!
Did the shop install new RSMs with the new shocks?
The shop should have waranty on Parts & LABOR.
Obviously, the mount failed.

They installed it incorrectly OR they tried to re-use old parts...

(And, who ripped-up the sound damping insulation/mat? Terrible! I'd be doubly pissed.)

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Old 08-27-2013, 01:16 PM   #12
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Also make sure the spring is not broken, this is a pretty common E46 issue as well.
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Old 08-27-2013, 01:23 PM   #13
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Quote:
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Ouch!
Did the shop install new RSMs with the new shocks?
The shop should have waranty on Parts & LABOR.
Obviously, the mount failed.

They installed it incorrectly OR they tried to re-use old parts...

(And, who ripped-up the sound damping insulation/mat? Terrible! I'd be doubly pissed.)
the insulation is fragile at this age/mileage and breathing on it wrong will cause it to rip.
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Old 08-27-2013, 01:27 PM   #14
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Quote:
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the insulation is fragile at this age/mileage and breathing on it wrong will cause it to rip.
Thanks for everyone's comments and suggestions. I pulled the sound insulation back to take the picture. I'm going back to the shop in a few and will let everyone know how it goes.

Thanks!
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Old 08-27-2013, 01:29 PM   #15
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Just when I thought I'd seen it all.....
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Old 08-27-2013, 01:30 PM   #16
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the insulation is fragile at this age/mileage and breathing on it wrong will cause it to rip.
+1 good god the **** around my fuel pump fell apart. I threw it all out.
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Old 08-27-2013, 02:46 PM   #17
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Quote:
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the insulation is fragile at this age/mileage and breathing on it wrong will cause it to rip.
Hmm.. Must be the region then, my old car still have its sound mat in good order.
But, I'll remember to breath very lightly next time when I'm back there.

TFTHU

OP,
Keep us in the loop.
Hopefully, the shop will do right by you.
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Old 08-27-2013, 03:23 PM   #18
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I just did front and rear shock installation (with the help of Mango and some others) and there are quite a few washers and other parts that have to be placed on the top of the strut before installing. I can see where he went wrong but if you do this for a living I feel as though you'd be more careful?
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