icyd
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Posts posted by icyd
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Im more annoyed by interior rattles in my superb
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1
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Did a little more search came across the G62 sensor.is it the exact same part on 1.8t as on 1.9tdi?
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I learned from this forum and around the net that this is a pretty common problem for our superb. Previously it was smack in the middle at 90c but recently it picked up a habit of suddenly dropping to 1 bar above 0 and after a few moments goes back up again.and the cycle continues until i turn off the engine.
Most probably the either temp coolant sensor or thermostat. I will proceed with the sensor 1st and see if it cures it.but i wanna make sure i got the correct part.is there any reference i can forward to the part shop?
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My mazda lantis v6. Had it for 6 years. This car handles like it's glued to the road
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Well im trying to extract the most life out of my 1.8t.it has done 170k kms (105k mile) on semi synthetic. No leaks so far.people say switching from semi to fully which is much lighter is bad for old engine. Unless it has been on fully from the start.but i think, say an oil with 0w40 rating,its the 40 that matters because that's the viscosity when hot.it'll be the same with 10w40 oil.btw,which oil gives the smoothest feel u've used?is liqui moly popular in the Uk?
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But aren't most oils,especially expensive oils are blended with additives afterall?stuff like molybdenum or ester, etc.
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While we are on the topic of lubrication, i wonder what are your thoughts on adding additive into oil such as tungsten disulfide?
http://www.brycoat.com/coating-services/dry-film-lubricant-coating/ws2.html
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Seems ok doesn't it?
View from slightly off angle
There's the turbo
Some discoloration on the exhaust post turbo.don't remember it was like that before the incident
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Ok will take a close look in daylight tomorrow
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Please educate me more sir.does that mean the turbo is bad?what signs to look for?need to be 100% sureThe only time I've seen something that matches OP's description, oil leaked into the turbo and ignited as the engine was turned off. That set the hoses on fire.
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Had you had any work done on the engine recently?
nope apart from the timing belt change
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Directly above the fire, you have fuel lines to injectors (photo3). If / when your mechanic decides to start the engine, he should inspect these lines for leaks, especially around the metal clips (cracked rubber there could result in a small leak), or actually given they had been "heat treated" , he should replace them altogether.
I see a lot more parts affected there than just the puck valve, quite a few bits seem to have been overheated, certainly anything plastic/rubber in the area. But it is your car... For me, these pictures once again reinforce my view that diesels are inherently safer.
So i can narrow down to 2 most plausible causes, fuel leak and exhaust leak.
Still, looking at the aftermath, i cant pinpoint where exactly the fire had originated. the melted rubbers and plastics are not quite localized. one corner of the airfilter cover melted away leaving a strand of wiring few cm's away untouched, yet slightly further away, the rubber grommet (i think it's for the aircond pipings) behind the filter going into the firewall showing signs of melting. then theres the puck valve which is very obviously affected, is some distance from the burnt hole on the engine cover. notice the hole is not right on the edge of the cover, suggesting it wasn't the continuation of the fire from the puck valve. the coil pack under it was saved though.
This to me, looks like the sound insulation that caught the first fire and then pieces of it that's still burning fell off onto these spots, burning away creating the resulted marks.
As of what causes it to ignite in the first place, yeah could be fuel spray. and thats why im puzzled as of why the mechanic didn't detect anything
Could the bearings in the turbo be worn which due to the increased friction is generating excess heat?
could be. but if thats the case,wouldn't it be making some sort of weird noises and loss of power?i didn't hear any that caught my attention. it behaved well at 110-140kmh consuming around 6-9L/100km. i guess that's pretty normal
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Darn.another sleepless night for sure.i dont think it's running lean.the temp is rock solid at 90deg.just had spark plug change and there was no sign of lean mixture on all the old ones. I've sent it to an audi specialist in my area.he does a lot of 1.8t.he gave clearance for it to be otr after doing a test drive.still,it worries me to no end after what u said.but that made sense though.if there's really nothing wrong with it,why did it set fire?
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Btw,i live in a country where the temp could reach 39deg C on a good cloudless day. Just figured that might be an added factor to consider
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some pictures of what happened to my car
burns through the bonnet.need a repaintbiggest fire was from the insulation shield burning awayluckily none of the wirings or fuel lines are affectedneed to replace this capi was very fortunate that everybody acted quickly putting the fire out before it catches into crucial components. the car was inspected by mechanic, still totally drivable, no error code whatsoever. was happened wasn't electrical fault of any sort.
i could hypothesize that after sustained motorway speed, the turbo got glowing red hot. i killed the engine right away leaving it still very2 hot. then, something fell onto the manifold, probably some trash, dead leaves, or even the pieces of the insulation itself broke away after constant flapping under gushing wind. with enough petrol vapour surrounding the filling station environment gave it enough reason to light up.
been searching around forums about installing turbo timer and got mixed opinions on this. the force is stronger on those going against doing it. but i somehow find it funny that some hold strong to the idea that it's completely unnecessary, yet giving out advise about letting the car idle for a bit after a hard run instead. isn't that what a turbo timer will do for you in case you forgotten, like i did? if it's totally redundant, then idling will be redundant also since were discussing whether or not the turbo needs to be cooled down by oil flow,which needs the engine to run,either by not pulling the key off or by turbo time preset.
But anyway, that's what my little knowledge able to digest from my research. Should i or shouldn't i install a turbo timer according to wise briskoda'ian here? any other concern i should watch out for?
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Im not sure what the extent of the damage is.could be just rubbers and plastics or the fire reached some wiring or sensors,thats gonna be a bit painful.im also worried about the turbo whether it'd still be usable.im leaving it to the insurance to do assessments and all.Sorry to hear your peril.
If it's just hoses and covers, do not accept an economic write-off and replace them, just make sure you do not touch them with bare hands (fluoric acid and other nasty stuff). Though I would put an extra insulation (alu tape around the hoses) in the affected area.
To avoid engine fires in future, buy diesel cars. Resistance against engine fires is one reason I stuck to buying diesels, in fact I had a case of diesel fuel spraying over top of engine as well as exhaust on 2 of my Skodas (both were injector fuel line leaks due to poor workmanship, most recent one 2 months ago on the Roomster), and neither did catch fire, though we are talking ca 22degC temperature, not high heat. Turbochargers also run much cooler on diesels, though recently DPF balanced it to some extent (but outside of DPF casing is still cooler than a petrol turbocharger).
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The engine wasn't overheating at all.only the turboI suspect something may be wrong. Your engine shouldn't get so hot that it sets fire to the rubber and plastic under the bonnet.
Phil
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When i put up the bonnet i saw the turbo itself was on fire.the bare metal was actually burning.so im pretty sure that's the source.could it be possible that the fact that it was at petrol station with vapours all around it managed to set fire?otherwise hot turbo wont easily catch fire i reckon.
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The story goes,i was cruising @ 120-140kmh for an hour or so,then pulled over for refuel.turbo got so hot it lit the rubbers and hoses,the plastic bits that cover the engine and airfilter.no wiring are affected from my quick inspection. Fearing the worst,got it towed to the workshop for insurance claim.
Well,**** happens.but im wondering do u really always leave the engine running for awhile after stopping or reaching ur destination?let the oil running cooling the turbo for a bit.i always do that fyi but this once instance it slipped my mind and it punishes me right away.
I really have no idea how far the extent of damage is.the electrics are all still working.i just thought trying to crank it up maybe a bad idea.my fear is most under fire cases will be written as total loss by insurance.
Please, cheer me up here...
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What a plot twist.problem persists.a couple of new fuses burnt out as soon as i turn on the light switch.This is beyond what i can handle already
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Thanks for sharing. I'll take it to a gearbox specialist and see what they make out of it.the slip in 3rd is persistent, not that it's too annoying but knowing what's actually happening inside making me feel uneasy everytime it happens
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So there's no cure for it?
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Now I'm back to using full auto mode. Even now I can still detect slight slippage in 3rd.just hoping it won't get any worse
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just read the link.im pretty sure i have been shedding a few years off the gb's life.should've found out sooner
Temp gauge moves on a whim
in Skoda Superb Mk I (2001-2008)
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I got it replaced.abt £15 with o ring.used replacement from meyle germany.now all is good