bec496 No.10884 [View All]
On two flat tires after hydroplaning into a curb.
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25783b No.14505
My '03 Nissan Pathfinder developed a knock, so I pulled the plug from Cylinder 6 and saw this.
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644396 No.14506
>>14505
Ok, two questions right away:
>Why do you have a SUV with gasoline engine?
>Do you know what does that to a sparkplug?
I hope that sparkplug deformed with heat/pressure applied in a funny way, not from something hitting it. Because if that something had enough force to bend a sparkplug, it sure as shit made a dent somewhere else
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9dc956 No.14509
>>14506
<Parents were going to trade it in, but they found out they weren't gonna get jack shit for a 14 year old SUV with 300k on the clock so they threw me the keys and said have fun.
<Was making a sound like gravel in the cylinder, and not long after the engine seized. Figured it was fucked so I junked it.
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644396 No.14511
>>14509
Yup, it is dead then. Smashed up piston head, ignition chamber, and everything related to it.
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1fde33 No.14515
>>14506
>Why do you have a SUV with gasoline engine?
In some regions of the world, automakers aren't keen on releasing diesel engines.
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84626e No.14517
>>14515
I am suprised. Why? I thought that anything above 2 tons works better in every circumstance with a diesel.
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35ad42 No.14518
>>14517
The nips think we're stupid burgers who can't appreciate small diesel engines.
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1fde33 No.14522
>>14517
You can probably blame California
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b8f930 No.14531
>>14518
The average burger is stupid and can't appreciate small diesel engines.
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844e22 No.14884
The guy said he was just driving along on the interstate when his RR axle ejected from the axle shaft, with the wheel, brake drum, and hub. He also said the road noise was so loud that he didn't notice anything until he saw sparks (???), and that because of that he walked "all over" trying to find it (the assembly) after he stopped. I have no idea how it bent 90 degrees… It must have come out slowly.
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7fa406 No.14885
>>14884
I'm no mechanic expert but wtf
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1fde33 No.14886
>>14885
>>14884
Nothing it surprising about that.
The road noise wasn't bad, the axle bearing was failing and making all that noise. The shaft bent because the friction in the failed bearing heated it to what was likely a glowing heat and softened the shaft until it bent and pulled out of the retainer. See that gray section? that's where it was heated, it's super clean because as it bent it broke off the oxide layer.
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588370 No.14887
>>14886
Oh thanks, this sure helped me understand. Sounds logical.
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cb9017 No.15023
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bdf935 No.15038
No picture, but I had to deal with a Chevy Cruze from hell. Came in with a dead battery and a drive belt soaked in oil.
Check alternator, is OK, but belt is slipping, duh. Clean that shit up, let it run for >30 minutes. Oh look, both VVT solenoids seals are bad. nice, easy repair.
Guy leaves with the car, the next day he calls, he got a low oil pressure message in the dash, car is dropped off at the shop again. Open hood, it's even more of an oily mess than it was before, add oil, start it up, the turbo seals are done, it's blowing out smoke so thick you can't see through it.
The oily mess is perplexing, but as it it, it needs a turbo. Do the job, let it run, everything is good, test drive, oil all over the place. Turbo is boosting in the crankcase, oil is spewing from every orifice. Remove PCV tube, check valve is missing, have to replace entire intake manifold. I have my doubts about the valve cover as I've heard a slight whistle from the valve that's on it.
Replace everything, test drive, STILL AN OILY MESS, but much less than before. Remove crank damper, the front seal is dry and cracked.
Meanwhile, that car almost took one of my eyes, as a brittle coolant fitting decided to literally explode with burning hot coolant while I had my face over the engine after a test drive. I was saved by my safety glasses.
Fuuuuuuuck
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2d1c12 No.15039
>>15038
You wore protective glasses while working in working engine bay? Wow, so those people do exist…
I am not implying anything negative, just suprised.
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1e8d32 No.15041
so i scraped a yellow post, i was creeping slowly, so force impact was minimal. am i fucked or can a detailer buff this out?
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bdf935 No.15042
>>15039
I wear prescription glasses, and I wrecked my last pair using them for work, so the last time I got new ones, I had them make a set of safety glasses too, which I use only for work, I mean, if I'm gonna use a pair for work, might as well have some decent coverage and shatter resistance, and some 3M frame with polycarbonate lenses are cheaper to replace than regular prescription frames and lenses.
Basically these but with clear lenses https://www.3mcanada.ca/3M/en_CA/company-ca/all-3m-products/~/3M-Safety-Sunwear-SS1511AF-B-CA-Black-Frame-Grey-Polarized-Anti-Fog-Lens/?N=5002385+8720549+3293603819&rt=rud
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e1d210 No.15062
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f2cfc2 No.15063
>>15041
Looks like nothing. Polishing it up helps a lot, maybe 10 seconds with a can of paint would fix it completely.
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744deb No.15213
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744deb No.15214
>>15213
oh it works now.
Anyway, when was your first cab removal /o/?
This was mine, 6.7 Powerstroke decided to throw a rod through the block.
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744deb No.15215
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d67d01 No.15218
>>15214
>>15215
I'm wayyyy too unequipped to even think of doing this.
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ac3aa6 No.15220
>>15214
>>15215
We wish, we all wish… For a medium sized garage and a handcrank crane.
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744deb No.15257
>>15218
>>15220
I was kidding, no way do I expect anyone to undertake something like this on a hobby or DIY basis.
Mostly, I was just hyped about my first cab removal. Things went entirely better than anticipated, the only snag being the two front-most cab bolts, which I had to cut because they were seized. The engine came out surprisingly well too, and again, just one snag, in that it couldn't be rotated, to I had to pull it off of the trans just enough to fit an open ended wrench in to unbolt the torque converter.
It was my first cab off, my first powerstroke R&R and with those snags and the fact it was a POS truck that was bought wholesale not running, so there were a few bugs to diagnose and fix once it was running, like an open circuit on the generator control circuit between the PCM and alternator, broken steering angle sensor drive pins on the clockspring, a leaky o-ring at the lower rad hose quick connect, oh and repairing a crushed outlet on the charge air cooler, I hit book time on the R&R, and the entire POS was out the door in 20 hrs.
Feels good man.
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ffa1c1 No.15298
>Mazda 323f, outside temp -20 and windy. Made in 1999. New battery, dailied, fresh liquids and eveything.
Does not start.
>Audi 80, outside temp -20 and windy. Made in 1988. 2 yrs old battery not driven since new year. Liquids… has liquids.
Starts on first crank.
So, what is this mystical japanese quality burgers seem to be going on about?
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ffa1c1 No.15299
>>15298
Wew, that camerawork turned out way worse than i expected.
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744deb No.15321
>>15298
Does not start is a terribly vague statement.
No crank?
Slow crank no start?
Normal crank no start?
Fast crank no start?
Crank and tries to start but fails?
Crank start and stall?
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ffa1c1 No.15322
>>15321
Fuel pump running pos for 10 seconds. At first fast crank no start. Crank for 5 seconds, turn the key to position where fuel pump is runing, no ignition. Wait 20 seconds. Medium crank, repeated 3 times. During the first low crank i just called a friend to help me get the thing bumpstarted.
And even then a single start and stall. A stall from a running engine in gear that could accelerate and work with pedal pressed. (stalled the moment i let the pedal go out of gear)
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ffa1c1 No.15323
Currently it's charging for the night, but we will see what hthe next cold morning brings. Weather promises to get even more fun.
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744deb No.15328
>>15323
Well at least it doesn't sound like it's a battery or fluids issue.
Try disconnecting the ECT sensor, if it's not reading the right temp for the cold engine, it's not going to give it enough startup enrichment for it to start/stay running on it's own until the engine temp picks up.
If that mazda is like the other 99% of car, an open circuit in the ECT will make it read below -40C, so at worse you're gonna get a bit more startup fueling.
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744deb No.15329
>>15328
Also, that audi probably has the K-jetronic injection, so cold start is simply done with a thermo-timer switch and an extra injector on the intake plenum.
It's brute force solution.
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023253 No.15330
>>15298
how many corpses has the trunk of this audi seen?
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c713e7 No.15331
Another cold morning, another jolly adventure. I even got out of bed an hour earlier for this. Mazda was charging for the whole night. Now it had 2 fast cranks in morning, the last medium crank popped some exhaust fumes, but engine did not pick itself up from the ~400 rpm the starter made. Temperature -25 and windy, window washing fluids were frozen, oil pressure warning light went out only after good 5 minutes of warming up. Audi still started flawlessly.
Fun fact: when warm, it (Mazda) idles at 1.5krpm humming, while very cold it idles at sub-500rpm and sounds like a Harley
>>15330
Only the corpse of that part of my soul that died the moment i pulled out the 30yr old synthetic inside coating and found water and mud that has been rusting the boot for god knows how long. I found that out last autumn and have not mended it yet cause it's cold as shit
>>15329
It has a carbuerator
>>15328
Will try that
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ffa1c1 No.15332
>>15328
I thought about removing it a lot. Until i realised that would be kinda pointless because not like it's reading temperatures anyway. Here are the temperature readings after 10minutes of city/5 minutes highway driving. The sensor is kill anyway, changing it a month ago did nuffin.
Will read codes today, hope that sheds some light on the situation.
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744deb No.15334
>>15332
Again, top notch photography.
So after all you've described of the mazda, It may have an underlying issue that you've failed to address, it may not be as well maintained as you've implied…
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c713e7 No.15335
YouTube embed. Click thumbnail to play.
>>15334
I described only the things i knew i had done (changed fluids, checked lighbulbs, visual inspection of wiring). I got the car just in december.
I also tried pulling codes yesterday, that ended with a blown out led. Will buy replacements today, try again. Also found out that despite the connector not having a cover, it works. Followed the instruction in video.
Got a warm garage for cold nights for an uncertain amount of time. At least a week, no longer than until spring kicks in.
Also i suspect that fuel flowback valve is dead. The fuel pump is supposed to only get the pressure up and stop (when not started). But it just keeps on runing.
This picture is about as good as my camerawork gets. Because it's not taken with shitty phone front camera (back camera is dead for mine)
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c713e7 No.15336
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def9e3 No.15486
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0fdc7b No.15487
>>15486
Did someone try to shitty-weld it and it ended up blowin' up? Looks brutal.
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744deb No.15488
>>15487
The G80 locker seems complex, but it's usually a very good diff, mostly because it's an open diff, and thus not stressed, in most driving conditions.
But this isn't the first time I've seen one break the carrier apart and is most likely due to driver abuse: High load engagement at high differential ratios.
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4c6c5d No.15492
>>13030
Is it fairly easy to get into a mower engine?
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236403 No.15493
>>15492
Should not be more complicated that a chainsaw or moped
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3a0eb2 No.15496
>>15322
I know I'm a few weeks late but I've been working on an old RAM van that has been poorly maintained. It had a very similar issue to what you describe, and it turned out the ECT for the PCM was rotted by the coolant that was in there for God knows how long (the radiator was badly corroded and the expansion tank was filled with slime). Lots of corroded fittings, currently doing the head gaskets on that.
>>15492
You mean physical accessibility? Yes it is very easy, especially a push mower. I took apart an average sized one a while ago and it was about soccer ball sized.
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744deb No.15637
Scion tC came in under it's own power with a check engine light and misfires on cylinder 4…
[[[ FIVE ]]] rockers had come out and were littering the inside of the head.
I'll wager it was a money shift. lucky as fuuuuuuck not to have hurt anything. I put them back in and it ran like new.
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744deb No.15638
The next day…
Rear crank seal on a BMW S63
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def9e3 No.15647
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62267a No.15649
>>15647
Someone could donate that disc to orphanage as a flying saucer toy.
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cb9017 No.15651
>>15647
IS THIS A ROTOR FOR ANTS?!?
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