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Old 02-13-2013, 06:17 AM   #1
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Engine noise/grind/rattle - Should I have it towed?

Well on my 5th day of Boxster ownership - it does this to me. The engine is making a noise when I accelerate - doesn't do it at idle. I don't even know the car yet so I have no idea. I drove it from Dallas to Houston fine Saturday. Sat in garage Monday Tuesday, drove it to work this morning. So I'm stuck at work until I decide what to do. Thoughts?

Better recording: http://www.youtube.com/watch?v=R0JbJHLWRKM&feature=youtu.be

Boxster - YouTube


Last edited by patssle; 02-13-2013 at 06:56 AM.
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Old 02-13-2013, 06:53 AM   #2
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Originally Posted by patssle View Post
Well on my 5th day of Boxster ownership - it does this to me. The engine is making a noise when I accelerate - doesn't do it at idle. I don't even know the car yet so I have no idea. I drove it from Dallas to Houston fine Saturday. Sat in garage Monday Tuesday, drove it to work this morning. So I'm stuck at work until I decide what to do. Thoughts?

Boxster - YouTube
I couldn't hear anything unusual on the video. Best way to check for damage is to remove & inspect the oil filter for metal debris. If there is metal in the filter don't start the engine, if the filter is clean just replace on engine & is probably a safe bet to start the engine & listen for noise. You may loose 1/2 quart of oil doing this but it's safe to drive a quart low.
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Old 02-13-2013, 06:56 AM   #3
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I braved it one more time to get a better recording. It's not IMS is it? This time it did it right as I started at low RPMs.

Boxster Engine Noise - YouTube

Last edited by patssle; 02-13-2013 at 07:05 AM.
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Old 02-13-2013, 07:06 AM   #4
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If you do find metal debris in the oil filter or have a flashing CEL, do not start the car or even turn over the engine.

Otherwise, it depends on your tolerance for taking risks. I have AAA coverage and I always tow my car to my independent or the one local dealer I trust whenever I'm concerned. This is my better safe than sorry approach to keeping my 01S running.

One question, does the noise start when the car RPMs go above 4000. If this was the case, one place to look is whether the Variocams work properly. You'll need a diagnostic tool to start to look into this. So this might be another reason to take the car in for inspection.
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Old 02-13-2013, 07:11 AM   #5
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This is the sound of an IMSB failing

http://986forum.com/forums/general-discussions/43137-death-ims-caught-video.html
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Old 02-13-2013, 07:15 AM   #6
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I've watched that video 50 times this morning - mine didn't sound like that when I was driving. But listening to my last recording it sure sounds bad and more like it.

Sigh.
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Old 02-13-2013, 07:16 AM   #7
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I braved it one more time to get a better recording. It's not IMS is it? This time it did it right as I started at low RPMs.

Boxster Engine Noise - YouTube
I don't think so but you need to have it checked out. If you could have the oil filter inspected before driving it that's the easiest peek into the engine.
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Old 02-13-2013, 07:18 AM   #8
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If you do find metal debris in the oil filter or have a flashing CEL, do not start the car or even turn over the engine.

Otherwise, it depends on your tolerance for taking risks. I have AAA coverage and I always tow my car to my independent or the one local dealer I trust whenever I'm concerned. This is my better safe than sorry approach to keeping my 01S running.

One question, does the noise start when the car RPMs go above 4000. If this was the case, one place to look is whether the Variocams work properly. You'll need a diagnostic tool to start to look into this. So this might be another reason to take the car in for inspection.
VarioCam change happens between 2100-2500RPM
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Old 02-13-2013, 07:31 AM   #9
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I'm getting it towed. Local shop will inspect. 5 days after buying it. Fk me.

Thanks guys.
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Old 02-13-2013, 07:45 AM   #10
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Hopefully, it just something loose that vibrates at certain engine RPMs. Good luck
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Old 02-13-2013, 09:43 AM   #11
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Good Luck with it Patssle. Hopefully its nothing serious. Let us know how you make out. Wishing
the best for you.....
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Old 02-13-2013, 11:27 AM   #12
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what year is the car?
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Old 02-13-2013, 11:52 AM   #13
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It is a 2000 S
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Old 02-13-2013, 01:22 PM   #14
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Old 02-13-2013, 01:42 PM   #15
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It is a 2000 S
was the clutch done? Did they do anything about the IMSB at that time? did they confirm whether you have a dual row IMSB? 2000's require visual inspection.

as the others have posted the sound doesn't seem similar to the "marbles in the blender" of a grenaded engine. Sounds more like something is loose or slapping.
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Old 02-13-2013, 01:44 PM   #16
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Keep us posted. I'd like to know what it was and how it was repaired.
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Old 02-13-2013, 04:48 PM   #17
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It only had 46k miles - so no clutch work. Didn't hear back from the shop today - grrrr.

Will find out my fate tomorrow I guess. If the car is fine and it's not the IMS - I'm still going to have it done. I'm not going to have a panic attack every time I hear a rattle from the engine.
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Old 02-13-2013, 06:13 PM   #18
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heat shield rattling? That would be harmless and simple to fix.


(hope it's not the IMS)
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Old 02-14-2013, 06:14 AM   #19
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WATERPUMP!

Thank god. I was really wanting to replace it anyways being 13 years old and 46k miles. This gets it done. They gave me a rather high quote for IMS (2000-2500) so I need to shop around for that - I still want that done for peace of mind.
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Old 02-14-2013, 06:24 AM   #20
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How much did they quote for the IMSB replacement?

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