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timing belt replacement?



  • armtdmarmtdm Posts: 2,057
    Anyone have a good concept of when to replace a timing belt when the mileage is low. I have a 97 with only 12,000 miles on it, think the belt will last 6 years before it starts to dry rot??? There never seems to be a mention of age, just mileage on these belts.
  • 210delray210delray Posts: 4,722
    I don't think time is all that important. My '80 Volvo 240's belt was last changed ten years ago (68,000 miles ago).
  • viktoria_rviktoria_r Posts: 103
    I have a 95 Chevy Monte Carlo LS (3.1 V-6)that was a 'demo'. I bought it from an out-of-town dealer. Only later I realized that the Owner manual was missing. I changed serpentine belt once (at about 40K), because the tech said it was not tight enough. The car has 82K mi on it now. does anyone know if I should change the belt? What is the criteria that will tell me when to do it? (mileage, interval, etc). Thanks!
  • It's a cam chain, not a belt, on that model engine (3.1). The 3.4 DOHC V-6, which was optional in some Monte Carlo LS's and standard in all Z34 models, has a timing belt which requires replacement every 60K miles.
  • viktoria_rviktoria_r Posts: 103
    are you saying it does not need to be replaced every 60k or so miles?
  • Honda recommends replacing the timing belt at least every 6 years. Don't know about other mfgs.
  • What's making my 73,000 miles so far honda accord ex 1992 squeal after it's been run 5 miles??? It'll do it in park first (like when waiting at a drive up window) then it'll do it when shifting out of park and into drive. The really weird thing is - it only'l do it after it's warmed up / so far nothing else has happend yet. Like sometimes I'll drive to KFC to eat and it'll be fine in line pulling up parking etc. but by the time I get back home (about 5 miles away) it'll be ready to squeal again when I put it in park to get the paper. Then I'll put it in drive to pull into the garage and it'll squeal then too all the way to the garage. I don't trust this situation. What's it sound like to you? Help!
  • bnormannbnormann Posts: 335

    The squealing you hear is NOT the timing belt. It is either one of your other (non-timing) belts (V-Belts) or it is an idler pulley that has a bad bearing.

  • butch11butch11 Posts: 153
    Fred-if your alternator drive belt is squealing-either tighten it or if it is worn-replace it. A loose alternator drive belt will burn out an alternator asap-I speak from experience-they get hot and bye bye diodes. Also do not over tighten the alternator drive belt-can wreck the bearings.

    A squalling power steering belt has a longer fuse but should be fixed.
  • butch11butch11 Posts: 153
    Called around to various Honda dealers to replace the valve timing belt, AC/alternator/PS drive belts, balance shaft belts and balance shaft seals and the price ranged from $389 to $ 650 +.

    Some of those service departments said they would not change the timing belt without replacing the water pump. Got one honest guy-said he never replaces the water pump unless it needs replacing.

    Am at 105K now and will replace the belt when get to around 140K-maybe 150. Do not waste bandwidth telling me this is a mistake-all highway miles means the belt will probably be good to 200K and I know it is an interference engine.
  • pat455pat455 Posts: 603
    It doesn't sound like you are looking for any advice at the moment, but I just wanted to mention this in case you didn't know. We have an experienced and very helpful Honda tech hanging out in Honda Accord Problems Part 2 - if you want to, you could ask or discuss with him any of these things. He posts under the name of auburn63.

    Community Leader/Maintenance & Repair Conference
  • pat455pat455 Posts: 603
    You also may want to follow the link I just posted in #114 in case you want to discuss this with auburn63.

    Community Leader/Maintenance & Repair Conference
  • bblahabblaha Posts: 329
    I'm afraid I don't understand. Exactly how do highway miles differ from "city" miles wrt the timing belt?
  • butch11butch11 Posts: 153
    do the math-if you drive 90% in town and your average speed is say 25 mph versus 90 % on the road at 65 mph, the engine RPM will be about the same but the number of total engine rpm's and hours of operation will be more than doubled.
  • joe111joe111 Posts: 28
    Your theory on city driving vs. highway driving is very interesting. I can see where you could have probably twice the mileage on a belt if nearly all your driving is done on the highway(with a comparable number of hours on the belt if most of your driving is city). Too bad cars don't come with hour meters like airplanes or tractors,because hours of use would be more appropriate than just mileage. Honda probably doesn't look at it your way but I think you have a valid point.
  • isellhondasisellhondas Issaquah WashingtonPosts: 17,355
    You will *probably* be fine. If not, you will only have yourself (and your theory) to blame!

    It's only money, after all!

    And, to not replace your water pump while you are in there is false economy in my book. It is exposed and takes nothing to replace since everything is already apart.

    How long will that "good" pump last? Another 100,000 miles.? Pretty doubtful.

    With my luck, if I didn't change it, it would start leaking the following month!
  • bblahabblaha Posts: 329
    Ok. I'll buy that somewhat. There certainly will be more engine revolutions in city driving than in highway driving, per mile. However, that not the whole picture. Getting up to highway speeds requires higher engine rpm (and therefore higher stress on the belt) than typical city driving. On average, there probably is more wear on a belt that sees mostly city driving though.

    I guess I just don't see the advantage of trying to squeeze out a few extra miles. $500 every 60000 miles is CHEAP! Owning a car, insuring a car, and fueling a car is expensive. Maintaining one is not.
  • butch11butch11 Posts: 153
    Calling the service managers to get a quote for timing belt replacement at 6 different Honda Dealerships was interesting. The guys who said they always replaced the water pump had the highest price for the replacement of the timing belt, drive belt and balancer shaft belts and seals.

    The two service managers who had the lowest prices also said they only replaced the water pumps when they had indications of problems and that this was a very rare event. Also it is very interesting to note the always replace the water pump guys had the highest prices for replacing the pump.

    There are honest people in the car business-you just gotta search around to find them. Unfortunately most of them are in the business of relieving you of as much of your cash as possible.
  • Had the timing belt on my 91 Accord replaced at 85k miles by one of the shops that recommended not replacing the water pump. Guess what? The water pump started leaking at 105k miles. Had to have it replaced and paid the labor over again. From now on when the timing belt is replaced a new water pump goes on.

    An ounce of prevention is worth a pound of cure in my book.
  • I don't know why that shop didn't reccomend a water pump change with the belt change. In my experience with driving cars for over 40 years, a waterpump generally goes about 100,000 miles. I had the water pump changed in my 90 Accord at 90,000 miles with the timing belt. I'll never know how long the original water pump would have lasted, but that was a logical time to change it. I guess you'll have to chalk it up to live and learn silvercoupe. Good luck
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