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#14653 of 14761 Re: To All [johndjr] by Modad55 Jan 10, 2009 (10:36 am)
Replying to: johndjr (Dec 13, 2007 5:48 pm) Where is the Tech issue you refer to? I'm not doing well finding things on the forum yet. Thanks,
#14654 of 14761 '06 Avalon- O2 sensors and intake manifold replacement for $1,800 by Modad55 Jan 10, 2009 (11:41 am)
This also applies to '07-'08 Camrys. The "check engine" and VSC lights came on, so I took it to the dealer. They tell me that I have to replace the O2 sensors and the intake manifold. The cost was $1,800. I have 45,000 miles and just passed 36 months. There is a Toyota Service Bulletin (T-SB-0114-08). Does anyone know anything about this? Is it common? What about the repair cost? Help! I am livid...this is supposed to be Toyota's top-of-the line car. So what's with a repair like this, only 9,000 miles out of warranty? Replies to this message: fin (Jan 10, 2009 1:25 pm) Modad55 (Jan 11, 2009 4:30 pm) wwest (Jan 11, 2009 10:52 am) ange (Jan 23, 2009 7:07 am)
#14655 of 14761 Re: '06 Avalon- O2 sensors and intake manifold replacement for $1,800 [Modad55] by fin Jan 10, 2009 (1:25 pm)
Replying to: Modad55 (Jan 10, 2009 11:41 am) Not sure on the TSB, will leave that to others, but... O2 sensors are easy to replace and should not cost anything near the $1800. number you use, labor and parts. Replacement is not unusual, they do fail, but this is a little earlier than most.   The intake manifold itself is a major engine component and, absent some very unusual situation, is seldom replaced. You need to ask "why" as to this part. In addition, it may be part of the powertrain warranty and replacement may be free, if needed.   Suggest you try another dealer, this one is very suspect, based on your information. Post your results. Hope this helps. Replies to this message: Modad55 (Jan 11, 2009 4:30 pm)
#14656 of 14761 Re: '06 Avalon- O2 sensors and intake manifold replacement for $1,800 [Modad55] by wwest Jan 11, 2009 (10:52 am)
Replying to: Modad55 (Jan 10, 2009 11:41 am) Emissions control warranties extend FAR beyond the normal factory warranty.
#14657 of 14761 Re: '06 Avalon- O2 sensors and intake manifold replacement for $1,800 [fin] by Modad55 Jan 11, 2009 (4:30 pm)
Replying to: fin (Jan 10, 2009 1:25 pm) Thanks for the input. I'll post my progress.
#14658 of 14761 Re: So the formula we use to work out the top speed? [fin] by amauhry Jan 13, 2009 (3:05 pm)
Replying to: fin (Dec 24, 2008 5:12 pm) fin,   Ok, aerodynamic is a big factor in many designs. Coefficient of drag for most family cars we see on the street doesn’t differentiate to the point to account for significant difference in vehicle speed.   Here’s this question: which will accelerate faster from rest, a two-cylinder motorcycle (standard specs; no fancy bike) or a Caterpillar truck generating, say, 2000 ft-lbf of torque?   …and for the sake of this argument, the bike will leave the Caterpillar in the dust too.   Do you all think it is only the drag factor that will give the edge to the bike? If so, think again.   Amaury '08 Limited Replies to this message: necro1234 (Jan 13, 2009 5:35 pm) fin (Jan 13, 2009 9:13 pm) amauhry (Jan 14, 2009 7:29 am)
#14659 of 14761 Re: So the formula we use to work out the top speed? [amauhry] by necro1234 Jan 13, 2009 (5:35 pm)
Replying to: amauhry (Jan 13, 2009 3:05 pm) I personally would think it would be the power to weight ratio that would count the most. The bike that may push out far lower torque and bhp also has hardly any weight to deal with, which of course is a different story with the caterpillar.   Least thats my thought on it   Cheers   Sheldon
#14660 of 14761 Re: So the formula we use to work out the top speed? [amauhry] by fin Jan 13, 2009 (9:13 pm)
Replying to: amauhry (Jan 13, 2009 3:05 pm) Don't confuse the rate of acceleration of a vehicle, such as an Avalon, with the theoretical top speed calculations for the vehicle. These are two different things, figured different ways.   As an object (bike, Avalon, truck, etc.) accelerates, the weight of the object becomes less important and the aerodynamic shape, if you have air as a factor, becomes more important, all else remaining constant.   You have the concept essentially correct, as does the post after yours. It can be confusing at times... but it's really just basic physics. Toyota engineers know what a vehicle will do before it is ever built and tested on a track just like Boeing knows what a plane will do without ever flying it. It's the things you missed that make engineering exciting.... Replies to this message: amauhry (Jan 14, 2009 7:29 am)
#14661 of 14761 Re: So the formula we use to work out the top speed? [fin] by amauhry Jan 14, 2009 (7:29 am)
Replying to: fin (Jan 13, 2009 9:13 pm) fin,   There is a factor in design between the motorcycle and the Caterpillar that explicitly tells you why the Caterpillar, with its massive engine generating about 2,000 ft-lbf of torque and ~ 600 hp, has a top speed of just about 50 mph whereas the bike, with its tiny engine producing just a fraction of the truck’s energy and power output, has an equal or greater top speed.   Better yet, explain why the Space Shuttle Crawler Transporter (the flatbed that transports the shuttle from its hangar to the launch pad) generating way over 5,000 hp has a top speed of less than 1 mph (at this speed aerodynamic drag is insignificant). I can assure you that my Avy, just like the bike, generating a meager 268 hp, will leave the Crawler in the dust too in no time.   The modern-day Somalia pirates are taking full advantage of this difference in design by simply using common sense. Their tiny vessels are capable of intercepting and outrunning the huge ships out in the Indian Ocean.   Yes, as you said it, it’s all about physics, Newtonian physics to be precise. But you still keep missing the answer.   Amaury '08 Limited
#14662 of 14761 Re: '06 Avalon- O2 sensors and intake manifold replacement for $1,800 [Modad55] by ange Jan 23, 2009 (7:07 am)
Replying to: Modad55 (Jan 10, 2009 11:41 am) I have a 2005 and they replaced the intake manifolds to try to minimize the hesitation in the transmission shifting at slow speeds. It helped but did not resolve the problem. The manifolds should be covered by Toyota. Ask what do the manifolds have to do with check engine light? I think you are entitled to free manifolds costs. Good Luck

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