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Wheel nuts for Cayman S 987.1 and servicing schedule

ERICA D

PCGB Member
Member
Hello, I am looking for some help. A friend of mine who has a 911 997.1 popped to check out my relatively new purchase. They mentioned that my wheel nuts don’t look original... so I wondered if anyone had any ideas. They certainly look old enough and fit the locking wheel nut I have, but as this is my first Porsche I wouldn’t have a clue.


I would also appreciate your advice with regards to servicing. Mine is is 2006 Cayman S and has just 30,000 miles on the clock. I can’t find the service book for the car anywhere (yes I’ve contacted the previous owner and I was sure he’d enclosed it but it’s not on the drivers pack), but I wondered what the service schedule looked like and how often she will need servicing. She was last done in June 2020 at 28,000 miles and I’m sure the garage would tell me what they did, but I’d like an idea of when future ones are due and what they’ll consist of.


Thanks so much for help and advice I’m sure I’ll get.

Erica
 
Erica,

I too have a 2006 Cayman S with 24,000 miles on the clock.

I did away with the locking bolts long ago.

I usually need to purchase several replacement wheel bolts (they are not nuts) at every service/ maintenance event due to the conical bearing surface under the bolt head having cracked. These are effectively service items.

The visual appearance of the bolt heads can be resolved by painting them (when removed from the car obviously) - this is just an example of modern cost-cutting in volume manufacturing and I suspect is applicable across the whole range rather than being Cayman-specific.

Hope this helps.

Alastair

 
Hi Erica,

See attached service info, old prices though ! My 2012 Cayman was on a two year / 20,000 mile interval, not sure if earlier cars were the same ?

Not sure how to tell if the wheel `bolts` are original from here but does the locking bolt adapter have a number stamped on it ? If so, speaking with the local dealer may help to confirm things

 
Hi Erica,

Although they’re very rusty (a common problem), I think that the bolts are original, but the only way to be sure is to remove one and compare it with an original part. The bolts (including the locking bolt) will be available from your local Porsche Centre, although other specialists will be able to supply original or OEM bolts. Alternatively you could just clean and then respray them.

Regarding servicing, the Porsche Centres will have have a record of any servicing and remedial work carried-out on the car, but I’m not sure that there’s a central record which means some detective work could be required if you want to find that. If you can determine exactly what work was done at the 28,000 mile service the information that Andrew has provided should give you an idea if additional work is required. Incidentally, I note that the information doesn’t include sparking plug and poly belt replacements (40k and 60k miles respectively) or recommended brake fluid replacement every 2-years.

I have a 2009 Gen2 CS which requires servicing every 2-years/20,000 miles, but someone else should be able to tell you the interval appropriate for your Gen1 car.

Jeff

 
Hi Erica,

I used to own a 2008 987.1 Cayman. The service intervals for these models are 20,000 miles or every two years.

I agree looking at the pictures they look like genuine Porsche nuts. I owned my car for 12 years and replaced the nuts twice, because they rust regardless of how you treat them. The only solution is to paint them or replace them.

Thanks Colin

 
The part number for replacement wheel bolts is 99736120301

I have had 16nr replaced over the past 3 years.

The 5nr last year were £6.10 + VAT each.

Not replaced for cosmetic reasons - the separate ball-shaped washer below the head was cracked.

 
Thank you everyone for all your help and advice. I'm booking her in for a major service this year at my local independent garage (who also have all her past records) as she hasn't had one in the last couple of years (only a minor oil and air filter change), and they are also going to sort out the tiny bit of rust on the front wheel arches whilst she's there. She should be fit for the summer then, even though she'd actually been running all winter. I'll also see if they can clean up her wheel bolts!

 
That sounds good new then Erica

2yr/20000 miles minor services

4yr/40000 miles major services

As Motorhead says you have to factor in brake fluid changes, spark plugs, drive belts etc which are on their own schedules.

Nice little attachment which you (and others) might find helpful

Its the official Porsche Service book.

 
Wheel nuts are like the forth road bridge but can be easily painted with a rattle can. I tend to do a few at a time without removing the wheels. You can get plastic caps on ebay but I have not seen them used by any register member.

 
Thank you all for your help. Just to let you know I got her serviced at an independent garage (major service... including 9 litres of gear box oil as she’s an automatic) her wheel arches resprayed and her winter tyres swapped for summer ones for a very reasonable sum of £888... the only thing we’ve not done is paint the wheel nuts!🙃 She’s now running like a dream and went out for a lovely run round the peak district where I live last weekend.. in the sunshine, rather than the recent snow showers we’ve had.

 
[attachment=C60B3E12-330F-4F40.002-B30717FAE8F4.jpeg] Hi Erica,

I am looking to sell a set of refurbished 987.1 wheel bolts and locking nuts as per the photos.

I’m looking for £50 including delivery (2nd class signed for).

Please let me know if you are interested.

Many thanks.

Tony

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Hello Tony,

I've been thinking about this and if they are still available I'll purchase them at £50.00. Thanks Erica

 

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