991.1 Clutch smell?
Discussion
Had my 991.1 3.4 manual from new 11,000 miles, very steady use with the odd blast and rev out. Today though after a 20 mile cruise on a motorway I smelt burning clutch when I stopped, presumed it to be someone else's car, but tonight after a brief modest acceleration I smelt it again?
Has anyone had any issues similar, I've never heard of any, I consider myself sympathetic mechanically, my 07 Cayman going strong after 70k.
I,ll be calling my OPC tomorrow morning.
Has anyone had any issues similar, I've never heard of any, I consider myself sympathetic mechanically, my 07 Cayman going strong after 70k.
I,ll be calling my OPC tomorrow morning.
Its defiantly clutch smell, went for a test this morning under normal driving I have evidence of a smell & no clutch slip, but after only one spirited get away of my god! the smell lingering for ages. Now waiting for a call back from OPC. Rang about 3 hours ago & still no call back, just about had enough.....
Montcoffer said:
Its defiantly clutch smell, went for a test this morning under normal driving I have evidence of a smell & no clutch slip, but after only one spirited get away of my god! the smell lingering for ages. Now waiting for a call back from OPC. Rang about 3 hours ago & still no call back, just about had enough.....
Hard to image a clutch getting hot enough to smell without slippage.The usual test for a slipping clutch is with everything up to temperature on a suitable stretch of highway put the transmission in 4th or 5th gear and at around 2K RPMs floor the gas pedal. I mean shove it to the carpet and hold it there. If engine RPMs increase without a corresponding increase in speed the clutch is slipping. In this case no need to retest. If there is no sign of clutch slippage no need to retest either.
Even if no slippage if you are sure the odor is clutch best to have it looked into. Be prepared for the tech to probably want to drop the transmission. There's not a whole heck of a lot he can do otherwise unless he happens to spot some external clutch linkage problem that might account for the cltuch not fully engaging when the clutch pedal is released.
Keep in mind it is not uncommon for something like a piece of plastic wrapper/film, a plastic bag, to get get kicked up by the air from the car and end up making contact with the hot exhaust. Plastic can and will stick and as you drive down the road char/burn and emit a pretty strong odor.
Water splash on the hot exhaust can have the exhaust metal emit an ozone like odor. And if you are unfortunate to hit some squishy road kill... Oh my. Be ready for a real unpleasant olfactory experience.
Once I even had something get caught in the accessory drive system and make a noise. Didn't know it at the time though. The belt didn't slip but the noise had me spooked and being 30 miles away from the dealer I had the car flat bedded in to the dealer. Off the truck and with the SM and interested techs standing around I fired up the engine. Crickets. Noise gone. Whatever got caught got blown out on the ride from work to the dealer.
Just to be safe I booked the car in and tech checked accessory drive and could find nothing wrong. I showed up the next morning early and drove the car around for 30 minutes to use the car like I did the day it made the noise and no noise. Just something that got into the belt or got caught where it was rubbing against the belt or against an accessory drive pulley. SM told me this happens more often than one might think. He said he sees maybe 5 or 6 cars a year in for this. First time for me though even after over 300K miles of driving.
Sorry for late reply, had my car back a while now and smell has gone away? OPC couldn’t find any problems at all. I’ve done some spirited driving and long runs and all appears ok. Frustrating I guess I don’t like unanswered issues like this, my car had its 1st service while it was in but no link to clutch smell going away.
I’m interested if anyone else has had similar issues, regards.
I’m interested if anyone else has had similar issues, regards.
I had a similar situation with my 996 a few years ago. After a spirited drive a smell from the rear wheel arch had me concerned about he clutch. I had it replaced at 30k when the IMS was done. When removed the clutch showed no signs of burning and was only 50% worn. I sold the car a few years later at 90k and even then it occasionally would smell after a fast run. No sign of slippage ever and not being heavy with clutch use I suspect it had another 50k left on it. The smell initially gave me worries but over the years just accepted it as normal. Good luck with yours.
Gassing Station | 911/Carrera GT | Top of Page | What's New | My Stuff