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Registered
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So I was just driving home yesterday, taking it easy, not drivng hard at all, and there was a overwhelmingly strong smell coming from the car. It's a 79 911SC and that stinky clutch smell that I'd gotten a couple times when I dumped the clutch too hard. That was the smell I was experiencing on the drive home-the whole way.
What the heck would cause that? Today I did not really notice it too bad. Today is a pretty cool day here in Denver, yesterday it was quite a bit warmer. Could it be that the clutch is going out? it's been 7 years since the rebuild of the tranny. I'm not noticing any slipping though...?? thoughts?
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1979 911 SC 1974 OEM 911 Exhaust and Muffler - Modified to a 2-out Fiberglas Goodies, 17" C4 Cup Wheels |
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cycling has-been
Join Date: Sep 2004
Location: Jersey Shore
Posts: 7,239
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do you still have the rubber centered factory clutch?
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73 911T MFI, 76 912E, 77 Turbo Carrera |
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Air Cooled
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Parking brake?
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'78 911 SC "Blackjack" & '76 914/4 2.0L "The Brat" - - '99 Honda VFR800Fi, '98 Honda SuperHawk '88 Honda Hawk GT, '77 Honda CB750K Cafe '69 Honda CL350 |
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Taking it apart is easy
Join Date: Nov 2009
Location: rural Quebec, Canada
Posts: 1,878
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+1 on parking brake. Comparable smell.
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Jerome PLEASE CHECK MY QUIZZICAL BLOG: www.ponderingporsches.blogspot.com |
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Northern Motorhead
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The rubber centered clutch discs only came on the 87-89 G50 cars if i'm not mistaking ...
Check your wheels and see if one is way hotter than the other,you may have a sticking/dragging brake issue ! Cheers Phil
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Cheers Phil 89 Coupe,Black,95 3.6 engine and the list goes on ... 1983 944 SP2 race car PCA #96 |
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Registered
Join Date: May 2011
Posts: 7,245
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My 79 SC came with a rubber centered clutch that went out after a couple of years. It is my understanding that the steel springs were introduced with the later Carreras.
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79 SC Targa 72 T Targa Sold 68 T Coupe Sold 65 912 Coupe Sold 62 356B Coupe Sold |
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Spiderman
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My bet is parking brake or a sticking caliper. Like someone else said, after a drive you need to walk around and feel each wheel so see if one is significantly hotter than the others. Or take a sniff.
Rubber centered clutch has nothing to do with "slip". You'll either have an extremely jumpy/bouncy jerk in the driveline if the disc is partially gone (happened to me) or no go at all if it fails.
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Midnight Blue 08 Cayman S, Fun/Track Black 12 VW-GTI, work Mexico Blue 87 Carrera, sold, sad, not enough garage space. |
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Northern Motorhead
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My rubber centered disc exploded on track two years ago with no warning, i was under the impression that they only came with the G50 cars to dampen vibration ... my bad !!!
Cheers Phil
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Cheers Phil 89 Coupe,Black,95 3.6 engine and the list goes on ... 1983 944 SP2 race car PCA #96 |
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Registered
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Great info people, thanks! I'm goping to go drive it now and do the wheel heat check. Could very well be a sticky caliper as i do feel some noticable pull at the stop lights now. I'll be back...
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1979 911 SC 1974 OEM 911 Exhaust and Muffler - Modified to a 2-out Fiberglas Goodies, 17" C4 Cup Wheels |
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Champagne on Beer Budget
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double check the required spacing on the clutch release arm/clutch cable adjustment.
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Einar www.einarsgarage.com Instagram @einars_garage https://www.facebook.com/pages/Einars-Garage/375533809160797 |
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Registered
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So justy drove around and could not get the smell to come, and when i checked the wheel temps all but the front right were slightly warm. the front right was pretty much cold.
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1979 911 SC 1974 OEM 911 Exhaust and Muffler - Modified to a 2-out Fiberglas Goodies, 17" C4 Cup Wheels |
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