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Baihetan damwater level

Yan F, Li N, Yang Z, Qian B. Ecological Risk Evaluation of Baihetan Dam Based on Fuzzy Hazard Quotient Model. Water. 2022; 14(17):2694. https://doi.org/10.3390/w14172694

Baihetan Damcontroversy

You didn’t mention the year of your Elantra, but when I plugged in a 2015 into repairpal.com for an estimate, my local zip code brought up an estimate for $173-266 to change a single wheel bearing…you definitely need to get a 2nd and 3rd quote

Same with a guy I know in my area who passed away back in 2011. He BSed, cobbled together, hacked up, and in general screwed everyone over yet everyone within 25 miles of him praised his name to the mechanical heavens. Go figure…

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Baihetan damfacts

I thought sometimes they just replace the whole hub part is a little more but less labor. That price sounds high you need to get a second quote.

I took my knuckle to a shop and they pressed out my bearing and he said hub was scored but he had 1 used. For $20. I tried to pay with my card and tech said hub was his and cash only. Had to run to atm for $20 cash. Bet tech had a few hubs in his toolbox. From other jobs?

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I paid $250 parts and labor for the front wheel bearing of my previous Toyota Corolla. It had to be pressed in also. They put in a Timken bearing and it didn’t take much time…around 45 minutes and I was out of there.Shop around because your estimate seems on the high side.

You should also verify how many wheel bearings they’re replacing. If it were me, I would go ahead and replace the bearing on the other side of the vehicle as well…chances are, it’s not far behind in terms of failure.

Baihetan Damturbine

Yan, F., Li, N., Yang, Z., & Qian, B. (2022). Ecological Risk Evaluation of Baihetan Dam Based on Fuzzy Hazard Quotient Model. Water, 14(17), 2694. https://doi.org/10.3390/w14172694

Feature papers represent the most advanced research with significant potential for high impact in the field. A Feature Paper should be a substantial original Article that involves several techniques or approaches, provides an outlook for future research directions and describes possible research applications.

Yan, Feng, Na Li, Zhigang Yang, and Bao Qian. 2022. "Ecological Risk Evaluation of Baihetan Dam Based on Fuzzy Hazard Quotient Model" Water 14, no. 17: 2694. https://doi.org/10.3390/w14172694

This doesn’t include the cost of replacing one perfectly good ABS sensor that had to be destroyed in the process. (tech told me that the sensor would be in the way of the press, and they couldn’t remove it without destroying it. ). I believed him, as I replaced the ABS sensor on the other side a year earlier. It was defective. I too had to destroy the old one to remove it, as Toyota machined the hole too small. Talk about a tight fit! There was TSB about this, I believe.

you can get the whole hub and bearing for like $150 , so your mechanic is telling you it is going to take him 5 hours to do the job on a bearing ?? I doubt it , i would run from that guy .

Cool. With that said, you really should consider getting the other one replaced at the same time…see if the shop will give you a break on the labor.

Baihetan dammap

As always when in doubt you get a second opinion . It could be that this shop does not have the right equipment for the job or there is a lot of labor involved .

ZIP-Document (ZIP, 48 KiB)

Did you get an itemized estimate? If not, ask for one. Do that when you get a second opinion too. That way you can easily compare the two. Don’t tell the second shop what the other one estimated.

Baihetan Damcapacity

Abstract: To evaluate the variation in ecological risk induced by pollutants from the construction of Baihetan Dam, the largest hydropower station under construction in the world, this study proposes a fuzzy hazard quotient (HQ) model designed on the basis of triangular fuzzy number (TFN) theory. The fuzzy HQ model uses hazardous TFN to evaluate the ecological risk including uncertain observation data, and the transition TFN to analyze the variation in ecological risk before and after the dam construction. The results show the following: (i) The ecological risk of ammonia nitrogen (NH3-N) showed a marked increasing trend after the construction of the dam because this activity weakened the degradation ability of the water body. The chronic hazard of NH3-N was classified as “medium” grade and its acute hazard was “low” grade. (ii) The crucial acute hazard factor for the local aquatic ecosystem was copper (Cu) and the key chronic hazard factor was lead (Pb). (iii) After the construction of Baihetan Dam, both the long-term and short-term hazardous TFNs of Cu were classified as “medium” grade. The acute hazard of Pb belonged to “low” grade with high certainty, whereas its chronic hazard classification had uncertainties. Its long-term hazardous vectors upstream were {0.000, 0.928, 0.072}, whereas its long-term hazardous vectors downstream were {0.000, 0.108, 0.892}. (iv) Both of the ecological risks of Cu and Pb showed substantial decreasing trends after the construction of Baihetan Dam because the impounding effect of Baihetan Dam promoted the settlement of heavy metals with sediment. (v) The hazardous TFN method can be applied to perform an ecological risk evaluation that accounts for uncertainties in the observation data set, and the transition TFN method can analyze the variation in ecological risk with a small sample size. Therefore, the fuzzy HQ model is effective for the evaluation of ecological risk induced by dam construction. Keywords: Baihetan Dam; ecological risk of pollutants; fuzzy hazard quotient model; triangular fuzzy number

Yan, Feng, Na Li, Zhigang Yang, and Bao Qian. 2022. "Ecological Risk Evaluation of Baihetan Dam Based on Fuzzy Hazard Quotient Model" Water 14, no. 17: 2694. https://doi.org/10.3390/w14172694

Elantra has same bearing setup as Honda’s. A shop can lowball the cost and then have to replace more parts or remove knuckle to press out bearing. The bearing is pressed into the hub. So, assume the hub will be damaged or scored.image600×600 22.3 KB

Thanks all, appreciate the help. I did call a second and third shop and was quoted $350 by one and $380 from the other. Both shops gave me their estimate, and when they then asked what I was quoted when it was diagnosed they said the shop I went to was notorious for extremely high prices and that $750 was way too high… I’m surprised since the first shop had great reviews.

After I drilled out the defective sensor , I took a reamer to the hole. The shop that removed the other sensor (left front) was nice enough to let me go home without a sensor (I got one from an online Toyota dealer at a big discount). And my labor is free.

Yeah, tight but not pressed in I had to pry mine out a fraction at a time, going around to keep it from getting jammed. Both GM and an 03 Toyota Camry. The GM had a penta-socket head fastener on one side and a pressed in “rivet” on the other. Still struggling to understand/justify the need for such hardware…

Yan, F.; Li, N.; Yang, Z.; Qian, B. Ecological Risk Evaluation of Baihetan Dam Based on Fuzzy Hazard Quotient Model. Water 2022, 14, 2694. https://doi.org/10.3390/w14172694

Not necessarily. I had this setup on my old Mazda Protege. You press the hub out of the bearing, and the inner race of the bearing is stuck in the hub. You then carefully score the outside of the inner race, and strike it once or twice with a chisel…the inner race splits in too, and you’re left with the hub, which you can press into the new bearing.

Baihetan Damcollapse

You did the right thing by getting other quotes and as an aside, never give a lot of credence to online reviews. Some may be fake and in some cases people may have been robbed blind and simply do not realize it. Their car is fixed for double what anyone else charges so they’re happy with it all.

They need to be tight due to the super tight tolerance on positioning for proper operation. I did some work recently and had to R&R an ABS sensor. Long story short, a thousandth made a huge difference in signal level. Too close and it rubs, too far and weak signal. Rust forming on the spacer was enough to cause weak signal…removing them required diligent care not to damage them…

Dropped my car off at a mechanic to check into an issue I’ve been having (groaning in the front/left wheel). Turns out it is a wheel bearing that needs to be replaced and the mechanic quoted me $750 for the job, saying “the bearing needs to be pressed and it’s a fair amount of labor”.

Baihetan Damlocation

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