Just out of curiosity I tested the torque on my CS wheel bolts. My car hasn't been touched since being assembled at the factory, and the bolts on three of four wheels were well below the factory torque recommendation of 96ft-lb or 130n-m. The passenger side bolts were especially loose. My car has about 1600 miles on it.

It is good practice to re-torque the bolts at about 50 miles after every re-mount of the wheels. A good 1/2" drive torque wrench (I use Precision Instruments) and a 19mm socket with wheel protection is a good investment for any Porsche owner. (An extension shaft is also a good idea.)

PS - on newly delivered cars, check the air pressure in the tires. Nearly all new cars are delivered with very high pressure, and you should lower it to factory spec for your tire size.

Great reminder!

Also, any time you get new tires, don't trust the inflation or the bolt torque. Test both. It's easy and cheap.

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Note to self...

And when you are done torque'n...don't put the wheel lock key in your tool box. Put it back in the car. It can't help you when it is in the garage and you need to take off the wheel somewhere....and the guys at the tire store really think you are silly.

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2007 Speed Yellow Cayman GT 2.7 (retired)
2008 Guards Red Cayman GT 3.4
"Carpe Cayman"

I've solved that particular embarassing issue previously by buying a second one for the tool box. Have to make a note to self to do that.

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Les

Yup, I did the same thing with my CS -- it also saves time when swapping wheels before/after autocrossing.

If you want to buy a second Porsche lock socket, just take your current socket to the dealer's parts counter. Show them your lock socket and ask them to order you another one. There's a code inside the socket that they need to get the right one. Also, if your dealer has a hard time finding the listing for the lock sockets, tell them to look under Cayenne parts -- for some reason, that was the only place the parts guy could find them (hopefully Porsche will fix this in PET soon).

.....aaaand always remember to tighten the doggone lug nuts when doing brake work.....plumb forgot it one time.

Damn near a major disaster.

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Craig
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The 1st thing I bought for the car was a set of 4 wheel bolts to replace the anti-theft units. Way too big of a PITA to deal with during the AX season. If someone wants my car, they will take my car, wheels and all.

Brian

You wouldn't want this to happen to you:

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Current Cars:

2008 Orange - Limited Edition Boxster S
2004 Atlas Grey - Boxster S

I noticed he engaged the emergency brake probably because the rolling resistance is much less for thin steel brake discs vs rubber tires... All four wheels at one time?? That had to be staged...

What an idiot! He must have been in a real hurry to get out on the course. He learned his lesson.

all wheels have the same torque spec?
btw where can i get the service manual if there is one.
thanks

yes, 96 ft. lbs.

No such thing as a printed service manual - it's all in PDF, and is in several volumes - you have to buy a subscription by the year - when it's all said and done, it's about $5k/year.

brad

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