C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

SRC Shocks Broken?

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Old Sep 9, 2004 | 11:25 AM
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Default SRC Shocks Broken?

'93 Vert shows SRC codes 21 & 31. Working through diagnostics I have a question about the shocks. The gears on top of both front shocks will turn (with some resistance) endlessly. They never come to a dead "stop". Does this mean they're broken, or is a slight difference in turning resistance all the actuator looks for to determine the "stop" position? I can't tell for sure from the diagnostic instructions in the GM manual which is supposed to be correct.

It makes the difference between buying an actuator or a shock. The price of either will undoubtedly be "shocking", so I don't want to buy the wrong one. Thanks for any help from experience,

Steve
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Old Sep 9, 2004 | 05:22 PM
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Originally Posted by swifty
The gears on top of both front shocks will turn (with some resistance) endlessly. They never come to a dead "stop". Does this mean they're broken?
Yes. The gear on the shock for a `93 will only have 90* range of movement. Most likely the "stop" at the bottom of the gear has broken off. That is why they will turn without stopping, and throw a service code to the CCM.
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Old Sep 9, 2004 | 07:48 PM
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Thanks for the response. I was afraid that was going to be the case, since GM lists replacement shocks at just over $600 each. Any chance of repairing these if a guy is reasonable capable?

Anybody know of a forum sponsor / member who offers a discount worth chasing replacement adjustables - or a source for servicable used units?
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Old Sep 9, 2004 | 09:49 PM
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Bilestien (sp) are able to rebuild them for a lot less than $600
Hopefully someone will chime in with their contact info.
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Old Sep 10, 2004 | 12:01 AM
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I happen to have a set of used rears that I bought by mistake. email me if you are interested.
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Old Sep 10, 2004 | 12:09 AM
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You can buy them new from Mid America designs for under $200 apiece. If the gear is broken, bilstein will charge $150 plus shipping per shock to rebuild, so you may as well just buy new.
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Old Sep 11, 2004 | 11:14 AM
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Originally Posted by Z-07 freak
Yes. The gear on the shock for a `93 will only have 90* range of movement. Most likely the "stop" at the bottom of the gear has broken off. That is why they will turn without stopping, and throw a service code to the CCM.
I believe a 91 has 90 deg range of motion. 92 and up has 160 deg.
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