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

Sagging suspension

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Old Aug 12, 2012 | 11:39 AM
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Default Sagging suspension

On my 92 (FX3) I notice the driver side rear is sagging, sitting about 3/4-1" lower than passenger side rear. I also notice if I accelerate hard and lift off immediately it feels like it "pulls" to one side. I can't remeber which way and whether it's on accel or decel. I also know I'm getting SRC codes 31,33,34 so the passenger front is the only actuator/shock working properly. What would be the obvious things to check first?
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Old Aug 12, 2012 | 02:56 PM
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The difference in ride height is not likely connected to the SRC issue. Unless a spring is broken, the car has probably taken a "set" to the springs if it was mostly driven without a passenger. Mine, for one, has done this. You can compensate for it to some extent by adjusting the tie rod on the left rear spring, but you won't get it perfect.

Re the SRC, here is the relevant page in the '92 FSM...
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Old Aug 13, 2012 | 04:51 AM
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Your spring might be cracked. A close inspection would be Good Thing.
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Old Aug 13, 2012 | 11:01 AM
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If the rear spring is not cracked, try turning it 180 so the driver and passenger side of the spring are swapped. If you car pulls toward one side during acceleration and decel, your thrust angle is off. Get a 4 wheel alignment after getting the ride height issue resolved. You can shim or adjust the rear spring height bolts to help with your ride height descrepency.
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