My money is on a rusted rear spring. The shocks shouldn't have an effect on ride height - hell, you can unbolt them with the car on the ground. It's very common for these cars to lose a coil on the rear spring to rust. When you put in the new rear shocks, look at the springs.

Luke

 

Sorry, I should have been clearer. Those mm values are the distance the shock travels when compressed as opposed to ride height. I'll definitely be taking a look at the springs too, I've seen lots of cases where the end of the coil cracks off.

 

oh I was going to say broken coil spring as well. but that's the shock travel difference.

i don't see how it would make the wheel turn more or less. but i'm thinking it could cause the "yaw" sensor to be off, thus triggering the DSC :dunno:

 

I was also thinking yaw sensor/steering angle sensor, but I reeeeally hope it's not. I've gone through the DIY here for it several times and I think it might be a DIY just out of my comfort zone. Haven't seen any surefire way of diagnosing whether it's the SAS so I'm hesitant to buy the part or take the steering column apart.

My thinking behind the wheel speeds being different is a stretch I'll admit. I was thinking that since its intermittent and since our roads are lumpy and rarely smooth, it would have some bearing in how the wheels are travelling and providing data to the DSC. I'm no expert anyway, just thought I'd propose the theory!

 

wasn't thinking the yaw sensor was bad. just being trigger by uneven side heights. sort of like the car sitting as if it's on an off camber banked turn. but driving straight. :dunno: purely just a theory I'm mentioning to examine. guess we will find out more when rear shocks are replaced and see how sensors react.

 

Aaaah yes I get what you're saying. I hope that's all it is ha! Just got a call off the parts website, they couldn't find the rear shock mounts I wanted so none of my parts will be here for the weekend :facepalm: