C7000 Posted September 14, 2014 Report Share Posted September 14, 2014 Hello, I am about to do a belt replacement and was wondering if I need the cam locking tool just to do the timing belt? I understand it may have the vvt (haven't checked, just got car) so is it crucial to have the tool just for timing belt? Has anyone on here done it without it? Or found a cheap alternative? Also, I believe this has an hydraulic tensioner so does this make things worse if I don't have the tool? Any advice would be helpful Link to comment Share on other sites More sharing options...
jschaefer7406 Posted September 14, 2014 Report Share Posted September 14, 2014 Hello, An '04 will have CVVT on both the intake and exhaust cams. I never used a locking tool when I did them at the dealership, but you may be more comfortable with one if you've never done it. One thing I will stress when aligning the marks: Get them all lined up, then turn the crank an additional 90° past. Then, rotate counter-clockwise to re-align the marks. This relieves the spring tension in the exhaust hub. If not done this way, the hub will snap out of position as soon as you remove the belt and they can be difficult to realign due to the spring tension , Also, your '04 will surely have the mechanical tensioner. Be sure to replace it and the idler bearing along with the belt itself. Hope this helps, Joe Link to comment Share on other sites More sharing options...
Keaton85 Posted September 15, 2014 Report Share Posted September 15, 2014 Or use the spring tension to your advantage! As you route the belt, you can use that spring tension to keep the belt in place while routing it around the tensioner and water pump. I have never used a lock on TB changes since they get in the way. You have a mechanical tensioner... Link to comment Share on other sites More sharing options...
LloydDobler Posted September 18, 2014 Report Share Posted September 18, 2014 04 C70 is exhaust VVT only. But yeah I've never used a cam lock tool, never had a problem. I do the 90° and back too, it's called out in the Volvo instructions to do it that way. Link to comment Share on other sites More sharing options...
sjmcarz Posted September 18, 2014 Report Share Posted September 18, 2014 Also, you don't need to remove the crank pulley/balancer, just remove the two small bolts under it that hold the plastic cover and snake the belt out, new one in. You may cut the old one to make it easier to get out but probably better to not cut it so you can see how to snake the new one in without removing the pulley. Link to comment Share on other sites More sharing options...
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