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Old 13 Oct 2007, 10:00 am
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Default I had a new timing belt installed in my 2002 Honda Accord LX , the car shifts rough, why?

I have a 2002 Honda Accord LX with 122,000 miles. Yesterday, I had the timing belt, tensioiner belt, water pump, spark plugs, thermostat, ac/alternator belt, belt replaced. All the parts were bought from the Honda Dealer, except the spark plugs. The plugs were the same NGK platinum as the dealer but bought at Advance Auto Parts.After it was done, when I drive the car, when the car shifts gears between 2000 rpm and 3000 rpm, it seems rough, like a drag/hesitation (like driving in a low gear on a mountain). I took it to another mechanic, he felt the problem and said that new belts are put on 'tight' and it will lossen up 1000+ miles.I took it to the dealer and he said he would have to open up the car to tell what is wrong. He could not feel the problem when driving. I told the dealer about the 'tight belt' opinion of the mechanic and he said no such thing existed.Help! Do valve timings, tensioners have anything to do with this?Thanks!!!I have a 2002 Honda Accord LX with 122,000 miles. Yesterday, I had the timing belt, tensioiner belt, water pump, spark plugs, thermostat, ac/alternator belt, belt replaced. All the parts were bought from the Honda Dealer, except the spark plugs. The plugs were the same NGK platinum as the dealer but bought at Advance Auto Parts.After it was done, when I drive the car, when the car shifts gears between 2000 rpm and 3000 rpm, it seems rough, like a drag/hesitation (like driving in a low gear on a mountain). I took it to another mechanic, he felt the problem and said that new belts are put on 'tight' and it will lossen up 1000+ miles.I took it to the dealer and he said he would have to open up the car to tell what is wrong. He could not feel the problem when driving. I told the dealer about the 'tight belt' opinion of the mechanic and he said no such thing existed.1. Can these changes effect timing?2. Could the 'tension' be off?Thanks!!!Thanks all for your input. Here is the update. I took the car into another mechanic who said the timing was off. He redid the timing belt and found out that the belt was was off and there was a screw that was stripped. After fixing it, the problem is lessened but still there.I have been googling again going crazy. I have been studying the symptoms trying to give you a better understanding, here are the symptomsSymptom:1. Rough Idle/high idle over 1000 rpm when starting2. Gears change are not smooth, it seems gears are changing at a higher rpm, making a deep sound (like driving in a low gear)3. VibrationGoogle suggests:1. Balance shaft problems2. Engine mount repair3. Transmission serviceI don't understand why this started after the timing belt change? Can you comment on google suggestions?
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Old 13 Oct 2007, 10:03 am
jen jen is offline
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all of the parts you had replaces are engine parts, they do not have anything to do with your transmissionthe timing belt and tensioner are at the front of your motor and control the timing of the pistons and valves inside, which has to do with the actual running of the engine itself. The h2o pump and thermostat has to be removed to do the belt, and it is always a good idea to replace it while it is off anyways. the alternator and ac belt was probably replaced for the same reason... they had to be taken off anyways...and the spark plugs didn't need done, unless they were fouled...but didn't hurt anything and they are cheap anyways...
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Old 13 Oct 2007, 10:06 am
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Anytime you replace items in an engine they are "tight" and can cause a few issues. When you carried it in did you have them check the vacuum on the car to ensure that 1) there is enough and 2) it is not leaking. You also need to have the timing checked.I would take it to another mechanic shop where they can hook it up to a computer and check the timing and the vacuum system.
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Old 13 Oct 2007, 10:10 am
bob bob is offline
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The transmission may be about to go - check to see if you have the secret warranty which covers complete transmission failures.Changing the belt has nothing to do with the transmission.
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Old 13 Oct 2007, 10:12 am
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Sounds like who ever did this for you didn't do a good job, there gonna have to take it out and set the timing again on the sprokets and the crank. I had a similar problem to yours and fixed it.
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Old 13 Oct 2007, 10:16 am
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Does your car have a V6 engine? The Accord with V6 is notorious for having a troublesome automatic transmission from the late 90s and early 2000s. Look up "Accord transmission problem" on the internet. There was a secret extended warranty - it may apply for your car. However, initially at least, the warranty applied to 2000 and 2001 Honda cars.Ask the dealer or a transmission specialist about the transmission. Honda does not make conventional automatic transmissions. Their transmissions do not make use of planetary gearsets. Instead, they have sliding gears on parallel axes.It's not just the V6 models with the problems. Some owners of 4-cylinder models have also experienced problems with their transmissions.
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Old 13 Oct 2007, 10:18 am
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if its got good power then more than likley the timmin is ok and there right there is no such thing as to tight and thell be ok if there to tight they will whine like the dickens! as for your shift problem i have replaced many of many transmissions so its possible that is about time for it to need one
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Old 13 Oct 2007, 10:21 am
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maybe whoever did the work left the drivers upper motor mount loose? or maybe the timing is off?
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Old 13 Oct 2007, 10:24 am
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My 96 accord v/6 has had this symptom for about 6 years and 100,000 + miles,so I wouldn't worry much.drive it till it breaks and no ,nothing in your repair would cause this,but they motormount may have been left loose as stated above.if by chance it does get worse contact your dealer,but only if you are having major problems.ps,My 96 has 267,000 on it doesnt leak or burn oil,no leaks any where,drives tight,just scheduled maintenece,s
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