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Join Date: Apr 2002
Location: Omaha, NE
Posts: 3,522
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Strange rattle coming from fan area
I know this is vague and a long shot but I've got a strange rattle that has gotten louder over the past week coming from what seems to be inside the fan shroud. Anyone experience this? How should I go about trouble shooting this?
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1980 911SC Targa 3.6L |
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06-02-2005, 05:46 PM
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06-02-2005, 05:51 PM
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hope it isn't cam chains..try placing something like a screwdriver against the cam covers and listen to eliminate them. otherwise, perhaps a bearing going bad in the alternator..disconnect the fan belt and run the engine BRIEFLY to see if the noise stops or continues.
ryan
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To the memory of Warren Hall (Early S Man), 1950 - 2008 www.friendsofwarren.com 1990 964 C4 Cabriolet (current) 1974 911 2.7 Coupe w/sunroof 9114102267 (sold) 1974 914 2.0 (sold) |
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06-02-2005, 07:43 PM
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Thanks--I'll try that Ryan
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1980 911SC Targa 3.6L |
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06-03-2005, 08:56 AM
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jon,
just realized that you have a 3.6 (you lucky  )..hopefully others will chime in who have 3.6 experience, although i think the aforementioned test would still be applicable for you. good luck.ryan
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To the memory of Warren Hall (Early S Man), 1950 - 2008 www.friendsofwarren.com 1990 964 C4 Cabriolet (current) 1974 911 2.7 Coupe w/sunroof 9114102267 (sold) 1974 914 2.0 (sold) |
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06-03-2005, 10:10 AM
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Location: carson city, nv
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On 3.6L there is a fan belt sensor. It's basically a roller that presses against the fan belt. It could be lose or worn out.
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1985 911 Carerra Cab 3.6l 1998 Dodge Ram 2004 Toyota Tundra Quad Cab |
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06-03-2005, 04:37 PM
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Air Medal or two
Join Date: Jul 2003
Location: cross roads
Posts: 14,117
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"some " brands of oil filters make a chain like noise too
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D troop 3/5 Air Cav,( Bastard CAV) and 162 Assult Helicopter Co- (Vultures) South of Saigon, U Minh Forest, Delta, and all parts in between |
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06-03-2005, 07:59 PM
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Thats kinda what a failing chain tensioner sounds like. But you have a 3.6, so it cant be that
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06-03-2005, 08:03 PM
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1981 Porsche 911SC 3.0L
1974 Porsche 911 2.7
