Friday, June 3, 2011

When you change the timing belt do you also have to change the water pump?

I have a 2002 honda civic with 85k miles %26amp; the dealer says the timing belt should be replaced. But with the water pump %26amp; timing belt tensioner also have to be replaced???When you change the timing belt do you also have to change the water pump?The timing belt drives the water pump in your car. To replace the water pump, you have to remove the timing belt. When you are having the timing belt replaced, it makes sense to also replace the water pump. There is very little additional labor to do so, as the timing belt is already removed.



You do not have to do so, but if you do not, and the water pump subsequently fails, you will be paying the full labor charge to replace it rather than just the cost of the part.



As to the belt tensioner, I would replace that because it is a wear item, and if it fails it can cause a timing belt failure. If you are going to risk the timing belt failing (and causing major damage to the engine) you might as well not have the belt replaced.



I would never replace a timing belt without also replacing the water pump and tensioner. It is false economy to do so.When you change the timing belt do you also have to change the water pump?mine just broke 2 weeks ago...and yes the water pump SHOULD be replaced also. well worth the money to have them do it all at once or youll be sorry when you have to go backWhen you change the timing belt do you also have to change the water pump?Effectively no...the timing belt is by itself and does not drive the water pump. The belt tensioner may or may not need replacing, depending on how much it is worn...When you change the timing belt do you also have to change the water pump?Much easier to do when you do the timing belt, better to do preventative maintenance while the timing belt is taken off.When you change the timing belt do you also have to change the water pump?The engine in your car makes the difference the 1.7 has a water pump driven by the timing belt and the 2.0 has an external water pump driven by the serpentine belt so find out what you have but if it is the 1.7 just do it.When you change the timing belt do you also have to change the water pump?I agree with the dealer.It may sound like he is trying to jack up the job but in fact it will save you money and grief in the long run.

Getting to those parts is so labor intensive that if you have to go back in later to change the pump or tensioner pulleys it will cost you the same as it did to have the belt changed. The other thing if the pump starts leaking on a new belt you will have to have it replaced again.

Whenever I do a timing belt I change everything that is in there. Then I don't have to worry about it.When you change the timing belt do you also have to change the water pump?Just did this myself. You should replace the belt and water pump at the same time. The water pump is not a durable device, the pump seal will eventually start to leak. Getting your timing belt wet is a sure way to lead to a catastrophic engine failure.



I replaced the belt tensioner as well. It's good insurance and since you're already in the engine, the added cost is small and the potential for failure moderate.



This is not a job for an average DIY'r, I have a full shop and many years of experience and still had a hard time doing the job. I suggest you get it done by a pro.



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