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Thread: fan clutch???
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06-15-2011, 12:50 PM #1
- Join Date
- Feb 2007
- Location
- austin
- Posts
- 524
Black/Black- '00 Firebird WS6 T/A
fan clutch???
I have a 2000 model WS6 Firebird and it makes a bad clanking sound with the A/C on in D or P. Took it to the dealer yesterday, who looked at it and told me it might be a fan clutch?
I thought our cars used electric fans for one thing, and for another I had already become convinced it must be loose TC bolts or cracked flexplate noise... sounds like a general clanky vibration at idle or low RPM/high load when I drive around town. It has a vibration at highway speeds that I understand to be caused by the polyurethane tranny mount but other than that, it's good on the highway and bad in town.
Thoughts?
Do our cars have fan clutches?
How easy are they to fix....
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06-15-2011, 12:52 PM #2
- Join Date
- Feb 2009
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- Florida Man Status Acheivement
- Posts
- 11,759
Navy Blue Metallic- 98 T/A w/ mods, 00 FBVert
you have a electrical fan.
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06-15-2011, 09:06 PM #3
- Join Date
- May 2011
- Location
- minden la.
- Posts
- 20
black- 02 z28
you say it only makes noise when the a/c is on sounds like a big clue that your compressor clutch is on the way out to me.
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06-18-2011, 06:54 PM #4
- Join Date
- Feb 2007
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- austin
- Posts
- 524
Black/Black- '00 Firebird WS6 T/A
Nah it does it with the AC on but not only with the AC on... it does it at pretty much all very low rpms but not at all in reverse. Loose torque converter bolts or broken flexplate are out because it wouldn't be worse under load, bearings and pushrods no bc it doesn't do it all the time... I'm really stumped. Ifit was the AC it would only be when the AC is on.... hell it doesn't do it in reverse so i have no idea what that means.
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06-19-2011, 02:47 AM #5
- Join Date
- Apr 2008
- Location
- Madison, WI
- Posts
- 7,006
1999 Formula WS6 M6-sold- 2001 Silverado Z71
Maybe they were talking about a bad AC compressor clutch?? But why that noise would go away in reverse...IDK
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06-19-2011, 07:58 PM #6
- Join Date
- Sep 2005
- Location
- TEXAS... U mad?
- Posts
- 6,158
Black / Stryker Blue- 2K WS.6/ 2K9 G8GT
Sounds like it could be in the tranny to me.... That is the only thing reverse could have a direct effect on. As mentioned, TC bolts/ Flexplate could be tested by holding the brake and stalling the converter up a bit, it will load the TC and take up the slack.... Hence the sound should then stop.
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06-21-2011, 02:55 PM #7
- Join Date
- Feb 2007
- Location
- austin
- Posts
- 524
Black/Black- '00 Firebird WS6 T/A
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06-21-2011, 03:21 PM #8
- Join Date
- Feb 2007
- Location
- austin
- Posts
- 524
Black/Black- '00 Firebird WS6 T/A
It goes away at about 1500 RPMs. Probably means I was right to call it broken flexplate or loose TC bolts huh. Tomorrow or the day after it gets a WB o2 and a visual inspection of flexplate and TC.
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