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    Mar 5, 2007 5:02:01 PM

    carnut
    Newbie
    carnut
    Loc: England
    Posts: 10, Gallery
    Registered on: Jan 8, 2005

    987 2.7 problems

    I have a 05 2.7 and only did 3000 miles, but when the car in the process of warming up, the engine/ exhaust will emit a shutter like noice for a few times when the temperature is between 60-70 and at about 2000 rpm. Anyone encounter this problem? Also there are some squeaking noice from the roof on bumpy road. I am not happy

    Mar 5, 2007 5:28:18 PM

    percymon
    Senior
    percymon
    Loc: Chester
    Posts: 765, Gallery
    Registered on: Aug 23, 2005
    Reply to: carnut

    Re: 987 2.7 problems

    its the oil pressure relief valve vibrating - a well known 'characteristic' and one that should be changed under warranty without issue - the part is less than Pounds2, takes about 30 minutes to complete at your OPC

    Mar 5, 2007 5:44:27 PM

    harryo2b
    Senior
    harryo2b
    Loc: Formerly Bitburg...Land of Bier, now Oklahoma home of the twister. , United States
    Posts: 664, Gallery
    Registered on: Oct 24, 2003
    Reply to: carnut

    Re: 987 2.7 problems

    Quote:
    carnut said:
    I have a 05 2.7 and only did 3000 miles, but when the car in the process of warming up, the engine/ exhaust will emit a shutter like noice for a few times when the temperature is between 60-70 and at about 2000 rpm. Anyone encounter this problem? Also there are some squeaking noice from the roof on bumpy road. I am not happy



    The roof will creek and rattle with time. It's a cabriolet!

    Mar 5, 2007 5:44:32 PM

    carnut
    Newbie
    carnut
    Loc: England
    Posts: 10, Gallery
    Registered on: Jan 8, 2005
    Reply to: percymon

    Re: 987 2.7 problems

    Thanks a lot, I will certainly tell OPC this should be the problem as they did not fix it last time and kept the car for two days!!

    Mar 5, 2007 5:45:36 PM

    carnut
    Newbie
    carnut
    Loc: England
    Posts: 10, Gallery
    Registered on: Jan 8, 2005
    Reply to: harryo2b

    Re: 987 2.7 problems

    Even with only 3000 miles? Can OPC do something? Thanks

    Mar 5, 2007 5:52:51 PM

    easy_rider911
    Rennteam VIP
    easy_rider911
    Loc: London , United Kingdom
    Posts: 22190, Gallery
    Registered on: Nov 8, 2004
    Reply to: percymon

    Re: 987 2.7 problems

    It never ceases to amaze me how knowledgeable the guys here on Rennteam are. What a great site

    Mar 5, 2007 9:00:23 PM

    wtsnet
    Rennteam Pro
    wtsnet
    Loc: Bath, UK
    Posts: 2430, Gallery
    Registered on: Nov 19, 2004
    Reply to: percymon

    Re: 987 2.7 problems

    Is that on the 2.7 as well? I thought it was a 3.2 only thing...? Same valve?

    Mar 6, 2007 5:33:20 AM

    SurfCity
    Newbie
    SurfCity
    Loc: California, USA
    Posts: 6, Gallery
    Registered on: Feb 21, 2006
    Reply to: carnut

    Re: 987 2.7 problems

    Quote:
    carnut said:
    I have a 05 2.7 and only did 3000 miles, but when the car in the process of warming up, the engine/ exhaust will emit a shutter like noice for a few times when the temperature is between 60-70 and at about 2000 rpm.



    As has been said, it's the oil pressure relief valve. Exactly 2,000 rpm, usually on trailing throttle. Has to do with engine temperature, not outside air temperature. Simple warranty fix.

    Mar 6, 2007 2:07:31 PM

    JuanCarlos
    Co-Pilot
    JuanCarlos
    Loc: New York, NY
    Posts: 167, Gallery
    Registered on: Oct 22, 2006
    Reply to: SurfCity

    Re: 987 2.7 problems

    To further embellish on the above points.

    The "shutter" noise you are hearing is due to a design flaw in the oil control piston a.k.a pressure regulating valve. The valve is what opens and closes to control the oil pressure. When the engine is cold and a 0W-40 oil (probably a good majority of you) is used the oil would be at a 0 weight. Now as the engine warms up the oil changes its viscosity to a 40 weight. During this warm up the pressure regulator will control the oil pressure from exceeding the maximum threshold. The threshol dwould often be exceeded during this time with the inrease in RPM's. This applies to all engines produced since December 5, 2005 in models M96.25 61604763 and M96.26 62603668. Porsche will replace the control piston at any local dealer. The replacement control piston part # is 997 107 125 01.

    Mar 6, 2007 5:30:18 PM

    carnut
    Newbie
    carnut
    Loc: England
    Posts: 10, Gallery
    Registered on: Jan 8, 2005
    Reply to: JuanCarlos

    Re: 987 2.7 problems

    Thanks for the explanation, you are so knowledgable.

    Mar 7, 2007 6:13:26 AM

    eslai
    Pilot
    eslai
    Loc: San Diego, CA, USA
    Posts: 317, Gallery
    Registered on: Apr 21, 2005
    Reply to: carnut

    Re: 987 2.7 problems

    What's interesting to me is that I have this exact noise and my dealership says that it's some "air-injection valve". They've refused to fix it. Considering I got my car in May of 2005, I guess they've got some basis for saying that this doesn't apply to my car but it happens in the EXACT rev range that people have described here, and only on falling revs.

    Mar 7, 2007 8:05:44 AM

    Genki
    Junior
    Genki
    Loc: Canada
    Posts: 106, Gallery
    Registered on: Jun 2, 2006
    Reply to: eslai

    Re: 987 2.7 problems

    mine happens around 2800rpm... ~.~

    Mar 7, 2007 7:09:08 PM

    JuanCarlos
    Co-Pilot
    JuanCarlos
    Loc: New York, NY
    Posts: 167, Gallery
    Registered on: Oct 22, 2006
    Reply to: eslai

    Re: 987 2.7 problems

    Quote:
    eslai said:
    What's interesting to me is that I have this exact noise and my dealership says that it's some "air-injection valve". They've refused to fix it. Considering I got my car in May of 2005, I guess they've got some basis for saying that this doesn't apply to my car but it happens in the EXACT rev range that people have described here, and only on falling revs.



    Eric,

    Tell them the part # that has to be replaced...I believe this problem does have service bulletin out on it...I don't have it on me, but you may want to check Rennlist.

    Mar 28, 2007 4:28:45 PM

    carnut
    Newbie
    carnut
    Loc: England
    Posts: 10, Gallery
    Registered on: Jan 8, 2005
    Reply to: JuanCarlos

    Re: 987 2.7 problems

    All the problems were fixed by OPC under warranty, they took 4 days to fix and I was given a Cayman S tip to drive

    Mar 29, 2007 11:26:21 PM

    BoxsterBerto
    Newbie
    BoxsterBerto
    Loc: NC
    Posts: 13, Gallery
    Registered on: Apr 17, 2006
    Reply to: eslai

    Re: 987 2.7 problems

    I think JuanCarlos may have meant new engines from Dec 5, 2004, or up to Dec 5, 2005. The problem was with new 987 Porsches that used the M96 engine until about May of 2005. Mine was an April 2005 build (so probably about the same as yours since I picked mine up in May at the factory) and still had the problem. I suspect my new replacement engine also has the problem, unfortunately my dealer has been unable to find the build date on the new engine and hasn't been able to reproduce the problem. I've been able to about 2-3 times on the new engine but it's not as consistent as it was with the original one.

    Mar 29, 2007 11:27:50 PM

    BoxsterBerto
    Newbie
    BoxsterBerto
    Loc: NC
    Posts: 13, Gallery
    Registered on: Apr 17, 2006
    Reply to: Genki

    Re: 987 2.7 problems

    Genki, on my first motor it happened around 2800-3100rpm so you're not alone. On the new one I've heard it at the more conventional 2200-2400rpm range.
     
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