09-08-2015, 11:56 AM
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#1
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Registered User
Join Date: Jun 2013
Location: Honolulu, HI
Posts: 135
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Anyone know what this clacking is?
I know this is the 986 forum, but thought I'd ask here too. Does anyone know what this engine clacking is?
https://www.youtube.com/watch?v=2f4fr-e6cj4
I'm thinking lifter possibly.
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Present:
'08 e90 335i, '00 986 S
Past:
'99.5 B5 A4 1.8tqms, '02 e46 m3 convertible
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09-08-2015, 03:31 PM
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#2
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Registered User
Join Date: Nov 2009
Location: mass
Posts: 731
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Quote:
Originally Posted by Chard
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does not sound good
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09-08-2015, 03:55 PM
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#3
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Registered User
Join Date: Nov 2013
Location: Emerald City
Posts: 885
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Quote:
Originally Posted by jacabean
does not sound good
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Sounds like a lot more than a lifter. Loose or blown spark plug?
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09-08-2015, 04:00 PM
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#4
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Beginner
Join Date: Mar 2013
Location: Houston
Posts: 1,659
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I'm guessing rod bearing. 
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2003 S manual
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09-08-2015, 04:05 PM
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#5
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Registered User
Join Date: Jun 2013
Location: Honolulu, HI
Posts: 135
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any idea on what that costs to fix? if it's a lot, i'll pass on the car.
__________________
Present:
'08 e90 335i, '00 986 S
Past:
'99.5 B5 A4 1.8tqms, '02 e46 m3 convertible
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09-08-2015, 04:08 PM
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#6
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Beginner
Join Date: Mar 2013
Location: Houston
Posts: 1,659
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Don't back away from buying this car. Turn and run. This is not an inexpensive problem, think 1/4 to more than the purchase price of the car and your in the ballpark. Glad it's not yours.
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2003 S manual
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09-08-2015, 04:11 PM
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#7
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Registered User
Join Date: Jun 2013
Location: Honolulu, HI
Posts: 135
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hehe, thanks for the replies guys.
__________________
Present:
'08 e90 335i, '00 986 S
Past:
'99.5 B5 A4 1.8tqms, '02 e46 m3 convertible
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09-08-2015, 04:15 PM
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#8
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Registered User
Join Date: Aug 2013
Location: Bay Area
Posts: 700
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I would certainly pass as well, unless you already have a replacement engine ready to drop in.
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09-08-2015, 04:24 PM
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#9
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98 Arctic silver 986
Join Date: Jul 2011
Location: Upstate, NY
Posts: 1,452
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OMG that thing sounds like a tractor!!! That might be the worst condition 2006 in the whole world. I mean the engine is toast, broken windshield, ripped seats, broken GPS stereo, foggy headlight, horrible paint. What on the car is good?
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09-09-2015, 12:48 PM
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#10
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Registered User
Join Date: Nov 2004
Location: New Jersey
Posts: 8,709
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best case scenario, sticky lifter. Ask the seller if he's tried draining the oil, cycling a thinner weight and using some Swepco type additive, dump that and fill up with some new oil at regular weight. That could possibly get rid of that racket almost entirely and kind of makes sense since the seller says it quiets down after the engine warms up. Old oil sometimes builds up and becomes sludgy/varnishy. A noisy lifter is often a lifter that's stuck on something. Either way, never, ever buy without a PPI that includes both a compression and leak down test. You need both. The seller should provide this otherwise buyers will be running away making it a waste of his time.
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Last edited by Perfectlap; 09-09-2015 at 01:49 PM.
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09-09-2015, 03:47 PM
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#11
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Registered User
Join Date: May 2013
Location: Oklahoma City
Posts: 856
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Man, is that thing ragged out!
Unless it's cheap enough to warrant putting in a new engine, I'd run screaming from it.
Noise could be anything (blown plug, rod bearing, bad manifold, bad head, mayyyyybe a lifter, but it's awfully loud), but why start out like that. Sounds frightening.
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"Remember, I'm pulling for ya! We're all in this together."
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09-09-2015, 04:01 PM
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#12
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Registered User
Join Date: Aug 2009
Posts: 1,466
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Quote:
Originally Posted by Retroman1969
Man, is that thing ragged out!
Unless it's cheap enough to warrant putting in a new engine, I'd run screaming from it.
Noise could be anything (blown plug, rod bearing, bad manifold, bad head, mayyyyybe a lifter, but it's awfully loud), but why start out like that. Sounds frightening. |
+1
Sounds like a rod and piston slap
I had a stuck tappet that is way louder.
__________________
2003 Black 986. modified for Advanced level HPDE and open track days.
* 3.6L LN block, 06 heads, Carrillo H rods, IDP with 987 intake, Oil mods, LN IMS. * Spec II Clutch, 3.2L S Spec P-P FW. * D2 shocks, GT3 arms & and links, Spacers front and rear * Weight reduced, No carpet, AC deleted, Remote PS pump, PS pump deleted. Recaro Pole position seats, Brey crouse ext. 5 point harness, NHP sport exhaust
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09-11-2015, 08:53 AM
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#13
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Registered User
Join Date: Jun 2015
Location: Seattle
Posts: 147
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Parts car or shop rebuilder.
Sorry for the owner. I'd only buy that if I had a shop and a line on a healthy M97 motor + didn't mind fixing all the cosmetic damage (I shudder to think what it looks like under that bra, especially in HI).
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'02 Boxster S
'16 GTI PP
'17 Bolt (with a B)
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Growly Grannis/Sex stallion
1998 Porsche 986
Linear Mode
