[p65356sc]

I came home from a short trip last weekend and upon pulling into my driveway I started to hear a rattle. It was what I thought to be and sounded just like a lose heat shield on the cat. You know the sound. So I took it to my Porsche guy to do tack weld the shield. I thought. I was sure that was the issue. We got it up in the air and the sound is coming from in the bell housing near the starter. Now under a load is when it sounds off but .....put drive it and the sound goes away and she preforms no differently than she ever did. It will be a day or two before he can get to it so Any advise?????

Thanks

Ross

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[flash]

it only makes the sound under load, but not when you put it in gear and take off? i'm confused - when you take off, it's under load



you could be on the right track - under load, the engine shifts relative to the car, as does everything connected to it - it could be making contact as a result of a failed or weak motor mount

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[p65356sc]

It's a Tipronic and when I am at a stand still and drop it into gear she will rattle. As I accelerate the noise goes away. Like what ever is making the noise is pined from the tork of the drive train. Would a motor mount behave like that? Would I hear it near the starter? I know I was told of a possible mount issue when the car was PPI'd last may when I bought it.

Thanks

Ross

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[flash]

since the mounts determine where things sit, yes, it's very possible that one of them is allowing contact between things that should not be contacting - when you drop it into gear, the tires, weight of the car, and everything else resists movement, which makes the engine rotate - as you accelerate, torque diminishes and things go back to a "happier" spot



what you need to do is have somebody put the car on a rack and put it in gear to see what is happening

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[unknown4u]

I have had a similar noise. It turned out to be a bad constant velocity joint at the tipside.

Changed and it was gone.



If the sound as you described is coming from the bell house than you might check the damperplate.....



Gives the same noise perhaps. But cost $$$$ ouch!.

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[xrad]

grap the exhaust tip and shake it rear hard or bang on it with your fist...see if you hear a rattle. go from there...

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[RS Barn]

Rattle at idle could be motor mounts.

Knocky sound and vibration at idle and particularly in gear vs neutral leans toward flywheel damper in Tip

pete

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[p65356sc]

[quote name='RS Barn' post='60883' date='Sep 30 2008, 08:36 PM']Rattle at idle could be motor mounts.

Knocky sound and vibration at idle and particularly in gear vs neutral leans toward flywheel damper in Tip

pete[/quote]





Well Pete you were right. It is the flywheel damper. The whole center is gone. He can't believe I was still driving it. He is tellng me 12 weeks to get the part. Any suggestions. He said it is a flawed part and should have been upgraded.............

Thanks

Ross

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[flash]

arrrgh - i was really hoping that was not it

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[p65356sc]

[quote name='flash' post='61052' date='Oct 2 2008, 05:20 PM']arrrgh - i was really hoping that was not it[/quote]





Yeah me too.........So where do I find one? Is there a new and improved version? I saw the bugger..........the center is completely gone.

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[flash]

sunset

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[p65356sc]

[quote name='flash' post='61063' date='Oct 2 2008, 07:58 PM']sunset[/quote]



Pardon my newbieisum but who is Sunsdet and how do I get in touch with them or him?

Thanks

Ross

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[968Syncro]

Ross,



This was done in my car by the previous owner, I have the receipt.



The part listed is "Buffer plate 50 list": $900.00. (Not sure what the "50 list" means.) No indication where the repair facility got the part.

The labor item is "Remove Automatic Transmission and Drive Shaft, Replace Rubber buffer plate at engine": $1,530.00.



There are other parts listed for the job: trans fluid, exhaust gaskets, rear main oil seal, pilot bearing (?). He had the rear main seal done at the same time, which is probably a very good idea once somebody is in there.



Sunset is http://www.sunsetimports.com, the dealer in Portland, OR. They send Porsche parts at 15% above their cost with no sales tax (if I got it right), which is way less than local dealers. The Porsche parts specialist "Jeff" is the one who helped me with lots of parts in the past.



Roland

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[PorscheDude]

If you have the tools (including flywheel lock (IIRC you can use the 944 manual lock for your tip.)

you should be able to do this over the weekend to save some big bucks.

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[p65356sc]

Well I found two.............$1056.00 is the best price I got. When I spoke to Sunset the parts guy Jeff? said he knew of one in Texas and that one was not for sale. I called anyway cause come to find out that was the dealership where my Cab was bought. Weird huh? The owner of the dealership is saving it for his wifes car. I did try Pelican they have always been helpful with parts for my other car. He said he had one for about $1200.00 bucks. If anyone else needs one call me .866-426-4148 I've done the leg work for you. I was thinking of milling some of these guys from an aluminum billit............any interest?

Thanks again for you support. I was a bit frazzled trying to figure a way out of this. I have fears that I've bought a money pit.

TGFTI

(Thank God For The Internet)

Ross

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[oppositelock]

You either got great life out of your damper, or this is round two. Most last about ten years time, mileage not much of a factor. When I did mine in 04 there was not improved part. Maybe things have changed? That would be a great piece of information. Discussions have taken place about a solid piece, with only one made that I know of. Not a problem, but you have to be prepared to live with noise and vibration that the rubber takes away. Mitch

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[flash]

this sucks - i guess i need to start sourcing one for the white cab - only 16k on the odometer, but the age thing scares me - it did when we bought it too, and i opted to leave it alone, but i didn't think the parts were an issue to source at the time

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[p65356sc]

The parts guy at Sunset suggested making a solid one. When I questioned him about the vibration he said it really wouldn't be all that bad. I wondered if the wear came from me using the manual mode 99% of the time. He said absolutely not.

where did the 10 year replacement number come from? What other major time frame parts am I going to deal with?

Ross

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[banditsc]

And Flash never thought he would be making performance parts for tiptronic transmissions. <img src="/forum/images/smilies/968/smile.gif" class="smilie" alt="" />

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[flash]

oh man i hope not

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