Rear End Noise - 986 Forum - The Community for Porsche Boxster & Cayman Owners

gabedrummin · 07-07-2018, 11:17 AM

I don't think its limited slip.Is there any to know without opening it up?

911monty · 07-07-2018, 11:32 AM

With rear of car on jackstands and in gear, grab a wheel and rotate. If open differential the other wheel will turn in the opposite direction. An LSD will attempt to rotate the other wheel in the same direction.

You can check your option codes under hood. If factory should have IIRC code 220.

gabedrummin · 07-11-2018, 08:59 AM

It is an open diff.

BYprodriver · 07-11-2018, 09:08 AM

Quote:

Originally Posted by gabedrummin

I don't think its limited slip.Is there any to know without opening it up?

Look for the receipt, I don't think any 986's came with limited slip.

tommy583 · 07-11-2018, 12:00 PM

Worn center motor mount can cause these noises as well. Mine sounded like a bad CV joint when cornering hard. With new mount the noise is gone. Since your getting a new engine i'd imagine that's the perfect time to install a new mount.

Calmg0d · 08-20-2018, 09:28 AM

I too replaced the complete drive shaft CV joints, all suspension parts AND last weekend I did both rear wheel bearings. The only thing I haven't done is to replace all the bushings for the swaybar.

How difficult is replacing the center motor mount? Is this a DIY type of project? I do have access to a full lift and tool system.

Thanks
Thom