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GG33

Original Poster:

717 posts

71 months

[news] 
Monday 28th May 2012 quote quote all
Having owned several 911's over the years, I am considering a Boxster (2005 or later) and have been hearing the odd story about serious engine issues, half time bearing failures etc. My question is: Did Porscehe definitively address these known faults by a certain time? as in: am I safe with an 06 onwards (or whenever)
Does anyone know?

Cheers

GG

Trev450

2,454 posts

42 months

[news] 
Monday 28th May 2012 quote quote all
In a word, no. You might want to look at this thread though:

http://www.pistonheads.com/gassing/topic.asp?h=0&a...


betternotbigger

998 posts

45 months

[news] 
Monday 28th May 2012 quote quote all
Trev450 said:
In a word, no. You might want to look at this thread though:

http://www.pistonheads.com/gassing/topic.asp?h=0&a...
In a word, yes.

The gen 2 Boxster/Cayman has the new dfi engine which so far has been impressively resilient. They arrived in about '09 though so you might have to pay a bit more for peace of mind.

Helicopter123

1,081 posts

26 months

[news] 
Monday 28th May 2012 quote quote all
betternotbigger said:
Trev450 said:
In a word, no. You might want to look at this thread though:

http://www.pistonheads.com/gassing/topic.asp?h=0&a...
In a word, yes.

The gen 2 Boxster/Cayman has the new dfi engine which so far has been impressively resilient. They arrived in about '09 though so you might have to pay a bit more for peace of mind.
The dfi engines have proved very reliable thus far.

ChrisW.

1,532 posts

125 months

[news] 
Monday 28th May 2012 quote quote all
And raced in the American Interseries ...

So far so good.

I wish I could say the same for the 968 that we raced !
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BRMMA

651 posts

42 months

[news] 
Tuesday 29th May 2012 quote quote all
I think IMS issues were largely fixed in 06, but the bore scoring was still an issue until the DFI engines came in on the 09 cars, these engines seem to be very reliable. not sure about RMS improvements but i don't see the RMS as a massive issue anyway so wouldn't worry about that

Geneve

2,724 posts

89 months

[news] 
Tuesday 29th May 2012 quote quote all
I think the so called issues related to both 911s and Boxsters. Engine failures are fairly rare, and RMS was largely resolved with a new seal design and retro-fitting procedure.


cmoose

18,905 posts

99 months

[news] 
Tuesday 29th May 2012 quote quote all
Geneve said:
Engine failures are fairly rare.
Right, that's OK then!

The reality is that nobody knows the failure rates, but there's enough anecdotal evidence from things like cars being offered with replacement engines and businesses doing a roaring trade rebuilding engines that have failed to reasonably draw the conclusion that the pre DFI lumps are probably pretty flaky.

Catpuddle

110 posts

40 months

[news] 
Tuesday 29th May 2012 quote quote all
betternotbigger said:
In a word, yes.

The gen 2 Boxster/Cayman has the new dfi engine which so far has been impressively resilient. They arrived in about '09 though so you might have to pay a bit more for peace of mind.
Bad news for Hartech et al, then ?

cmoose

18,905 posts

99 months

[news] 
Tuesday 29th May 2012 quote quote all
Catpuddle said:
Bad news for Hartech et al then ?
Possibly. But there are a stload of pre-DFI M96 and M97 lumps out there across the three models (Box, Cayman, 911). Plenty of work for yers and years to come. DFI gen is only the last three years.

mollytherocker

7,215 posts

79 months

[news] 
Tuesday 29th May 2012 quote quote all
cmoose said:
Catpuddle said:
Bad news for Hartech et al then ?
Possibly. But there are a stload of pre-DFI M96 and M97 lumps out there across the three models (Box, Cayman, 911). Plenty of work for yers and years to come. DFI gen is only the last three years.
And the next Porsche cock-up is bound to rear its head soon enough!

What will it be?

MTR

cmoose

18,905 posts

99 months

[news] 
Tuesday 29th May 2012 quote quote all
mollytherocker said:
And the next Porsche cock-up is bound to rear its head soon enough!

What will it be?

MTR
Yeah, if I had to put money on it, I'd say there are problems that haven't surfaced yet. Don't think the problems with the M96 lump we're common knowledge by 1999 / 2000. Probably need a bit more time for this stuff to shake out.

projectgt

148 posts

30 months

[news] 
Tuesday 29th May 2012 quote quote all
These IMS, RMS and bore scoring issues have put me off buying a Porsche. As has been said, these issues are clearly fairly common but the percentage of failures is unknown....meanwhile my neighbour has run around in his 05 Boxster (a low mileage example) for three years, oblivious to all of the above and has had no issues whatsoever.

Bite the bullet or not, that's the question.

Diesel130

1,548 posts

82 months

[news] 
Tuesday 29th May 2012 quote quote all
mollytherocker said:
And the next Porsche cock-up is bound to rear its head soon enough!

What will it be?

MTR
retrofitting PDK's with manual gearboxes ??

nickfrog

2,238 posts

87 months

[news] 
Tuesday 29th May 2012 quote quote all
betternotbigger said:
In a word, yes.

The gen 2 Boxster/Cayman has the new dfi engine which so far has been impressively resilient. They arrived in about '09 though so you might have to pay a bit more for peace of mind.
Maybe they are resilient so far because they only arrived 3 years ago ?
I think it's way too early to draw any conclusions, either way.
It's only taken Porsche 13 years to get rid of the IMS, so other issues may take a bit longer to be ironed out.

itsybitsy

1,302 posts

55 months

[news] 
Tuesday 29th May 2012 quote quote all
the fact that the dfi is in turbos now and with no problems plus we should know soon enough when the dfi goes racing ala gt3.oops it already has in the states in caymans and boxsters with no problems,so problems would have surfaced by now,why,well they raced gen1 caymans when new out early 2006 and problems soon showed up.i agree the pdk may be the weak spot it already had problems early after release

five50

60 posts

56 months

[news] 
Tuesday 29th May 2012 quote quote all
Would be interested to know how many of the armchair pundits here actually own one of these cars or actually have objective data. If you actually bothered to read the detail of Hartech's reports then you will know that the Boxster doesn't suffer from bore scoring. The IMS bearing can be replaced with a new design - relatively easy to access if the clutch is being done. Do it if youre worried. As discussed, RMS has a fix and in a downside gives a minor oil leak - which would be monitored electronically by the car anyway. There are a lot of these cars on the road running happily. I've had a Boxster for 5 years and have spent very little on it above scheduled maintenance. I ran an M3 for two years during this time and spent a much larger amount on mods to make up for its deficiencies (brakes, bushes, suspension, air con condensors etc etc). The schadenfreude crowd should get a life.

cmoose

18,905 posts

99 months

[news] 
Tuesday 29th May 2012 quote quote all
five50 said:
Would be interested to know how many of the armchair pundits here actually own one of these cars or actually have objective data. If you actually bothered to read the detail of Hartech's reports then you will know that the Boxster doesn't suffer from bore scoring. The IMS bearing can be replaced with a new design - relatively easy to access if the clutch is being done. Do it if youre worried. As discussed, RMS has a fix and in a downside gives a minor oil leak - which would be monitored electronically by the car anyway. There are a lot of these cars on the road running happily. I've had a Boxster for 5 years and have spent very little on it above scheduled maintenance. I ran an M3 for two years during this time and spent a much larger amount on mods to make up for its deficiencies (brakes, bushes, suspension, air con condensors etc etc). The schadenfreude crowd should get a life.
Ownership is irrelevant. I own a Boxster with an M96 lump and that simple fact gives me no insight whatsoever into the failure rates.

Also, the 987 Boxster S does fall into the bore scoring category.

Moreover, what we're talking about here is catastrophic failure leaving the owner with a dead car or a massive bill, not brakes and bushes and suspension, which can add up to a lot, but nothing like a £10k+ bill for a new engine before you've added VAT and labour costs.

Personally, I think it's perfectly obvious these engines suffer from some serious design flaws that cause failure rates much higher than you would expect for this class of car. It's not unusual to read about properly serviced examples that have total engine failure well below 50k miles. That sort of failure should be very rare indeed. But it clearly is not.

You seem to have read the Hartech guides, so you should be well aware of the problems and how real they are.

Anyway, here's hoping the chains don't snap or heads crack on your 3.2, which they have a nasty habit of doing.

TL;DR
The engines in these things are pretty fked, but that didn't stop me from buying one. They're that good it's worth the risk.


Edited by cmoose on Tuesday 29th May 22:47

five50

60 posts

56 months

[news] 
Tuesday 29th May 2012 quote quote all
Clearly an objective and measured opinion then. Why would you own the car if that's your view? We should all get back to our happy day jobs at the gallows. :-)

DebsBell

35 posts

13 months

[news] 
Wednesday 30th May 2012 quote quote all
As the Cayman is basically a Boxster with a roof, I'd say the engine issues are still ongoing. I'll probably need a new one in a 2009 Cayman model as there's no compression in number six cylinder and I've only done 10300 miles .....

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