Just replaced the serpintine belt and checked all the pulleys and anything that would spin, like waterpump and such.
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Would love any ideas before I take it to my indy.
Although a PIA, open the rear access behind the seats, have someone else blip the accelerator and get as far inside as you can to check it again. If it has to go to the Indy he's going to get in there anyway. Since you stated the belt was just changed and assuming you had no squeak before said change, it always makes the most sense to look over where you last wrenched Also, additional tension of a new belt might be manifesting a squeak where there was none before, the water-pump might only squeak under load, hence the suggestion. When you say you checked everything that spins did that include the tensioner too? Lastly, I did this on my 986 so it may not apply but in case it still does. Every pulley had a common sized bearing that could easily be pressed out, purchased at NAPA and replaced, they were dirt cheap at the time. Couldn't hurt to check the possibility that Porsche didn't change that arrangement, at the time they were like five bucks a piece. PS (don't want to embarrass myself twice but) 987 series, = PS pump and that squeak and when it occurs sounds like that could be a place to check too, fluid level and otherwise.
It squeeked before I replaced the belt, one of thr reasons I swap a new belt on. It really only sqweeks when warm and under load.. Especially if I bog it at low rpms...thinking it might be new water pump time. I hear they only last for about 50k anyways.
+1 on the tensioner check. they tend to age and go bad... looks like a small absorber.
when I last did my water pump, the belt, pulleys and tensioner were all replaced.
this link might be useful....
9A1 100,000 Kms (60k miles) Water Pump, Belts and...
it has been a few months of hunting down increasingly worrying sounds coming from various parts of the car. some intermittent, some there in the form of pulsing, tapping or grinding. thankfully with a good tech from a local indy, managed to get the source of the sounds traced to the water pump...
www.planet-9.com