For all you guys that track your car.....
This is the first time that I have tracked my Boxster S, however not my first tracking experience (tracked an E60 M5 and an E92 M3 last few years as well as some others). After several high speed open laps (covered some 40km) the car smelled awful. The smell was a mixture of burning plastic/oil/clutch mixed together. I was most evident near the engine vents on the right side. Driving mates also noticed it; in fact we lifted the car and could not find anything. The smell persists for several hours until the car cools completely, which takes very long!
What does your car smell like after a track day? |
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Wow, that sounds bad. I recall that once I found a mess near the back right wheel well where some sort of substance leaked and the wheel well was all wet from this fluid. When I touched with my finger, it looked to be black, however I am not sure if it's oil or something else, as it might have been black due to the dirt that it came into contact with. Would a PS fluid leak wet that area?
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Yes, that "smells" like PS pump :(
A lot of newbies (including me) have the habit of "sawing" on the steering wheel. That would be a sure way to overheat the PS pump |
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I agree w Chris Zang on the PS pump. The solution is an underdrive pulley.
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Well, actually I fried the couplings in the PS pressure lines, but that how fryinh the pump usually starts, I just detected it early enough. I then also installed the LN PS cooler this spring, before the track season started so far so good .... |
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In the case of the 2008 Cayman, he was running with a different club at the time. They used dry extinguishers and the fire re-ignited several times because they never got it cooled it down. When they did open the engine bay, flames went 20 feet in the air. Car fires are bad news. |
What's reasonably priced? There are AFFF systems available for ~$350.
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the rear passenger wheel well is near your oil fill tube - an item which often cracks (one end attached to the body, the other attached to the engine, add a lot of independent movement of each end at your last track day, some brittle old plastic, and possibly increased suction due to a failing aos and you get a bad oil fill tube). with a bad oil fill tube you may not notice it 99% of the time, but start chucking your car through the track, get the oil sloshing and it'll splash out. it'll then get on other components and cook, perhaps pool in the tray under your engine, pick up all the old brake fluid, coolant, transmission fluid and road crud and get it cooking, etc.
also check your cv boots, a bad passenger side cv boot will splash grease all over the wheel well and stink. a day at the track will work them especially hard, and if you have a car with a 6-speed, that transmission is longer resulting in a bigger transmission flange/wheel hub offset and increased chance of cv boot failure. |
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Back to the question at hand -- I would really doubt that power steering overheat and susequent failure/leakage is likely in a street car being tracked for the first time. Much more likely that you have an old spill of some sort is sitting in atop the the engine and is burning now because the car is much hotter than usual and the cornering forces are moving it around. The reason you smell it mostly from the right side is because that is the side the engine bay vents through - the other side is the air intake.
First thing to do is remove the engine cover, raise the car and start looking for anything odd with a flashlight and an extendable mirror. Wouldn't surprise me if a rodent has taken up resident or that you have puddles of oil and or steering fluid in one of the many crevasses. If it is not leaking out the bottom then it is unlikely to be a serious issue but you do need to figure out what's going on for fear of a fire. Good luck. Blowing some high pressure air into the places you can't see will not do any harm and may dislodge something unexpected. Laurie |
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My car stinks after a session on the track. The brakes smell to high heaven and remember, the motor is coated in an anti corrosion coating that smells when it gets really hot.
I agree that you should definitely check to make sure there are no oil and PS leaks, but just be aware that pushing the car will make it stink. |
What coating do you use on the engine?
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I agree that it cant be the PS as that is located on the wrong side to where I have the leak. The leak is only on both the inside as well as the outside of the bottom cover and it measures around 15 x 20 cm. It also sensitive to UV light, but I am not sure if that is the leak or the dye that I put with the refrigerant when the a/c system was recharged. The strange this is that all the wet part glows under UV light. Will post some pics later today.
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Have you checked your cv boots? If they rip and sling grease onto the exhaust it can get pretty stinky.
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I drove my car all day on Sat in 105F heat at AutoClub Speedway and the only thing that I smelled was hot race tires and hot brakes.
By the way, I was at the event where Glen's Cayman caught fire. The car was badly damaged. Good news, it was just the car and not a person. |
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