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reliability of 1990-94 911?

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xbit
 
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Default reliability of 1990-94 911? - 10-15-2006 , 12:28 AM






I'm looking into getting a 1990-94 911

http://vista.pca.org/stl/911car2.htm

I love the body style, what a work of art! Are there any well known
issues that I should be aware of with this year range?

This review seems to state that the reliability is ok:
http://www.dealtime.com/xPR-Porsche_1991_Porsche_911

While this review states that there are some "Significant Problems" with
the Transmission & Driveline and Moderate Problems with the Engine:
http://autos.msn.com/research/vip/Reliability.aspx?year=1991&make=Porsche&model=911

Also, if the above MSN review is true is the problem only in the manual
transmission and not the tiptronic? I'm 80% sure that I'll be getting a
stick but it would be nice to know.

Any type of info on the 911 90-94 would be great. Your experiences? your
thoughts?

Maybe I should just get another Karmann Ghia
(http://x-bit.org/ghia/71ghia) and stick a 2.7 porsche in it?

thank you.

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xbit
 
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Default Re: reliability of 1990-94 911? - 10-15-2006 , 09:20 AM






xbit wrote:
Quote:
I'm looking into getting a 1990-94 911

http://vista.pca.org/stl/911car2.htm

I love the body style, what a work of art! Are there any well known
issues that I should be aware of with this year range?

This review seems to state that the reliability is ok:
http://www.dealtime.com/xPR-Porsche_1991_Porsche_911

While this review states that there are some "Significant Problems" with
the Transmission & Driveline and Moderate Problems with the Engine:
http://autos.msn.com/research/vip/Reliability.aspx?year=1991&make=Porsche&model=911


Also, if the above MSN review is true is the problem only in the manual
transmission and not the tiptronic? I'm 80% sure that I'll be getting a
stick but it would be nice to know.

Any type of info on the 911 90-94 would be great. Your experiences? your
thoughts?

Maybe I should just get another Karmann Ghia
(http://x-bit.org/ghia/71ghia) and stick a 2.7 porsche in it?

thank you.
hmm, after reading in the news group some I think I find the answer to
my questions. what a shame, too bad. the 911 that I was looking at was a
1991 C2.

--cut--
Quote:
Oh...you do NOT want an '89 Carrera 4....or any 90-92 cars. They had
other problems.

But not all of them had the major head leakage problem. Because of this
knock on them, many solid cars can be had very cheaply in this year
range (90-91). Just make sure the other fixes were done (flywheel,
distributer vent, etc). Incidentally, I was not aware that these issues
extended to the 89 C4.
--paste--


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xbit
 
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Default Re: reliability of 1990-94 911? - 10-17-2006 , 06:18 AM



The Dead Senator wrote:
Quote:
xbit wrote:
xbit wrote:


hmm, after reading in the news group some I think I find the answer to
my questions. what a shame, too bad. the 911 that I was looking at was
a 1991 C2.

--cut--
Oh...you do NOT want an '89 Carrera 4....or any 90-92 cars. They
had other problems.

But not all of them had the major head leakage problem. Because of
this knock on them, many solid cars can be had very cheaply in this
year range (90-91). Just make sure the other fixes were done
(flywheel, distributer vent, etc). Incidentally, I was not aware that
these issues extended to the 89 C4.
--paste--


Then you missed the continuation of that thread which clearly states
that the problem was fixed in 1991.


-----

The 89 was the first of the C4 line, while the C2 was the old body style
for that year. In 90, the new 964 C2 was introduced without head
gaskets on the 3.6l engine. The engine ran slightly hotter than
predicted, so the heads would warp a little and cause oil to seep and
leak. This problem was ***fixed in 1991*** and a dealer procedure was
in place for any cars exhibiting this warping. Not all cars were
affected, but all were susceptible. I think it was an owners choice to
have the procedure done. The reasoning (then) was that if was not
manifesting itself after several tens of thousands of miles, the chances
of it happening were slim, but it does still happen [which means that it
needed to be done!]. So, the trick is, ask. If it had been fixed, then
it is not an issue. If it has not been fixed, it may manifest itself,
or it may not, but it should drop the price accordingly.

The dual-mass flywheel was another major problem. This only affected
the 1990 cars. If the original faulty DMF was left, this may manifest
clutch problems, but it is the flywheel that caused it. The fix was to
fit the C4s with the DMF from the Turbo and use LUK as the new supplier
for the C2 cars.

The dual-distributer system was produced without a vent to exhaust the
ozone created by the spark and this would rapidly deteriorate the
synthetic rubber belt that kept the distributors in sync. Bad stuff if
it broke! [and a very easy fix]

So, if these fixes were done, then these cars are great! Like I had
mentioned, the knock on them means that awesome deals are out there for
folks wanting a newer 911 cheap.
outstanding info! thank you very much. I'm going to pull the plug on
this baby this weekend. now,, to find a good radar detector I really
didn't have a need for one in my Ghia's <g>.


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