Timing Belt

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Old May 2, 2014 | 10:50 AM
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Timing Belt

My '04 5AT has over 225,000 miles on it. I didn't do the second timing belt/spark plug change because I was planning on buying a TLX in June. Now I see production has been pushed back to August, so I might not be able to get my new car until Sept. or Oct. depending on availability.

I drive 2,500 miles a month. I don't want to put any more money in my car since I'm getting a new one soon. Do you think I'm playing Russian Roulette not changing the timing belt?
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Old May 2, 2014 | 11:01 AM
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You could potentially be putting another 15,000 miles on your car before you trade it in. That means you could have 240,000 by that time. 30,000 over the recommended change interval. I think it's a crapshoot. You might be ok, but look at it this way. Spend the money now and you'll have a car to trade in.


If you don't get it done and it lets go, you won't get much for your car for a trade because of the repair bill.
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Old May 2, 2014 | 12:13 PM
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when I did my timing belt at 125k, the old one looked perfectly fine to me, no tears or cracks. I think you'll be fine
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Old May 2, 2014 | 01:39 PM
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I am still new to the Acura. A friend of mine recently got a Audi A6 and he mentioned that with his car if the timing belt breaks it isn't as simple as replacing the belt. For his car a broken timing belt would mean a broken engine.

With an Acura is this the same also?

Yes I know I am super vague...sorry!
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Old May 2, 2014 | 01:42 PM
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Originally Posted by jsp62
I am still new to the Acura. A friend of mine recently got a Audi A6 and he mentioned that with his car if the timing belt breaks it isn't as simple as replacing the belt. For his car a broken timing belt would mean a broken engine.

With an Acura is this the same also?

Yes I know I am super vague...sorry!
any car that runs off a timing belt, which both the acura and his audi have will have catastrophic engine damage if the belt snaps.

Certain engines with overhead camshafts have timing belts that have a limited lifespan. Car makers use these belts instead of more durable chains because chains are noisier andcost more to manufacture. Your vehicle owner's manual will recommend at what mileage the timing belt must be replaced. These intervals range from every 60,000 miles to every 105,000 miles. To see what is recommended for your engine, click on the link at the bottom of this article.The job of the timing belt is to turn the camshaft(s) at exactly 1/2 the speed of the crankshaft while maintaining a precise alignment. This means that the crankshaft will make two revolutions for every revolution of the camshaft. Engines will have at least one camshaft, or as many as four camshafts in some of the V-type engines. The camshaft causes the intake and exhaust valves to open and close in time with the pistons which move up and down in the cylinders. The valves must open and close at exactly the right time in relationship to the piston movement in order for the engine to run properly.

Last edited by justnspace; May 2, 2014 at 01:46 PM.
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Old May 2, 2014 | 01:59 PM
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Sorry for the off-topic question, but how has your automatic transmission held up for all those miles/years?

Is it still the original transmission?
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Old May 2, 2014 | 02:16 PM
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[QUOTE=justnspace;14993373]any car that runs off a timing belt, which both the acura and his audi have will have catastrophic engine damage if the belt snaps.

/QUOTE]

I do not think that catastrophic applies to 100% of engines using timing belts. There are some that can just freely spin down if the timing belt breaks (non-interference engines). Others, have the potential of crashing valves and pistons if the belt breaks, or even slips a few teeth (interference engines). I believe the TL is a Interference engine so a broken timing belt could be a huge bill/scrap the car.
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Old May 2, 2014 | 02:24 PM
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i would check the timing belt now and going to keep the TL as second car because with 240k miles, the dealer would probably only give you 2000 for trade in.
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Old May 2, 2014 | 02:29 PM
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I think you'll be fine.
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Old May 2, 2014 | 05:31 PM
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aIRpeACE I would love to keep my TL as a second car, but I pay $4,000 a year on insurance and my garage space so it's not practical to have 2 cars.

Drei this is the original transmission and it has never given me any problems. This car has been amazing. I've only changed the timing belt, tires, and fluids in the 10 years I've had this car. I still have the original brakes!

Next time I have my oil changed I'll have them look at the timing belt and see if it looks worn. Thank you all for your feedback!
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Old May 2, 2014 | 06:01 PM
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One other thing to consider is how you plan on selling your TL. If you are intending to sell it privately, service records including recent timing belt service might help to move it or get you a bit more $'s. If you plan on trading it in, the dealer probably won't adjust the price any.
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Old May 2, 2014 | 06:46 PM
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One last off topic question narnia:

What percentage of your driving would you say has been between highway and city in the past 10 years?

Thanks!
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Old May 2, 2014 | 07:05 PM
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You'll probably be fine. That said, it is a little like playing Russian roulette, so you can't say you weren't warned if it breaks. As others have said, you might not get much for it in trade in or even if you sell it yourself, but you should disclose to whoever takes it that the TB needs to be done.
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Old May 2, 2014 | 08:40 PM
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93SHOcar I'm going to trade it in. I know I'll get more if I sell it privately, but I don't want to deal with the crazies.

Drei I'd say 90% or more of my driving has been on highways. I do travel in rush hour on some of my trips, so I'm in stop-and-go traffic twice a week.
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Old May 5, 2014 | 10:27 AM
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narnia, did you ever change the oil in your transmission, if so how often and what transmmission oil. Also did you ever change out the #3 and #4 oil pressure switches. Thanks
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Old May 5, 2014 | 10:30 AM
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I'll just leave these here.



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Old May 5, 2014 | 11:32 AM
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lol.
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Old May 5, 2014 | 11:47 AM
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Originally Posted by 93SHOcar
Originally Posted by justnspace
any car that runs off a timing belt, which both the acura and his audi have will have catastrophic engine damage if the belt snaps.
I do not think that catastrophic applies to 100% of engines using timing belts. There are some that can just freely spin down if the timing belt breaks (non-interference engines). Others, have the potential of crashing valves and pistons if the belt breaks, or even slips a few teeth (interference engines). I believe the TL is a Interference engine so a broken timing belt could be a huge bill/scrap the car.
This is true. My 88 Thunderbird Turbo Coupe was what is called a "non-interference engine", so if the timing belt snaps the engine will spin freely without the pistons crashing into the valvetrain. It's a very nice characteristic in some engines
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