Timing Belt precautions!! – Volvo Forums – Volvo Enthusiasts Forum

23 May 2015 | Author: | Comments Off on Timing Belt precautions!! – Volvo Forums – Volvo Enthusiasts Forum

Timing Belt precautions!!

I am writing this post because there has kind of been a little debate lately about timing belts and the service intervals.

[/align]The post is to show why the timing belt should really be changed at about 70,000 miles instead of 105,000 like Volvo says it should be.

[/align]Also Make sure you replace the tensioner and idler pulleys as well.

[/align]I have some pics of belts I have replaced at work on cars.

[/align]I have the belts from a few of the different models the milage will vary between 70K and 80K. You will see how the belts crack at that milage.

[/align]I would not trust the belts like that on my own car. That’s why I am making this post so that everyone is informed about the belts and what can happen if they break.


[/align]I know not everyone has the money always to get the job done. I know how it is I have 4 kids and very little money. But the point I am trying to make is that it is better to pay between $700.00 to $800.00 or so.

Rather than having to Junk the car or pay over $3000.00 to get the head rebuilt or replaced. Or maybe even more to have a new motor installed.


[/align]I have my own theory on why they go bad faster on the 1999 and newer cars than on the older cars.


[/align]I think it is because of how the timing covers are made.

[/align]The older cars all the heat that gets to the timing belt only comes from the front of the motor.


[/align]The 1999 and newer cars the timing cover are different because of having the VVT valve in the cam cover. That allows all the heat from the top of the motor to access the timing belt and add more heat to that area causing the belt to go bad faster.


[/align]On the 1993 to 1998 5 cylinders and 1994 to 1998 6 cylinders the timing belts could last a lot long but I wouldn’t trust them either.

[/align]But that’s my theory.


[/align]Now onto the pictures the first batch will be the timing belt pictures with the model,year and milage that they were changed.

[/align]Then the last batch of pictures will be an idler and tensioner pulley from a S80.(Not as bad as I wanted for an example picture but will work.

[/align]Then finally a picture of an engine that had the belt break.


[/align]This way everyone has an Idea of the entire situation.

[/align]Then you can make your own decisions from here.


[/align]The first belt is from a 2000 S80 with 72,623 miles






[/align]Here is a tensioner if you look closely in one spot you will see where grease started coming out of the bearing.

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