Hot answers tagged

5

It may not be apparent right away but may cause issues later on. The Limited Slip Differential contains clutches. They require oil with an additive that allows the clutches to operate correctly. Check the container that the oil came in, it should say Limited Slip/ Posi-trac compatible. It may be in small print on the back of the bottle. If it doesn't, you ...


2

It's the LSD. Depending on the type, if it's a torsen or vicious one then when cold it'll be pretty much locked, and any sharp turn will spin the inside wheel - that's the point of a differential, and more so the exact point of a "limited slip" differential. You could try changing the diff oil but there's every chance it'll make no difference. Best to ...


2

You need to find the RPO (Regular Production Options) list on the Service Parts Identification label. Similar to what is pictured below. It will likely be on the spare tire cover or the glove box, but may also be in the door jam or under some other compartment lid. Each on of those three digit number/letters indicates an option the car is equipped with on ...


2

If you have any doubt at all that the RPO code sticker is accurate (like, maybe someone swapped the rear differential), you can tell an ordinary open diff from an LSD by jacking up the rear end of the car, releasing the parking brake, and turning each rear wheel in turn, leaving the other one free to turn by itself. With an open differential, the opposite ...


1

My car vin report specifies which options were / are fitted and also some things fitted by the manufacturer as a change of spec level. So, listed are things like no dpf, no high-end sound system, yes for power mirrors, yes for adjustable drivers seat, no for memory seats and the list is long. So depends on the manufacturer, but an lsd will be listed - ...


1

As Larry said, look for the RPO codes. The code you are looking for the Limited Slip option is G80. Look here for a list of RPO codes specific to your CTS.


Only top voted, non community-wiki answers of a minimum length are eligible