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Volvo S70 Made from 1998 to 2000, this sporty model replaced the 850 sedan and instantly became a hit.

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Old 04-07-2018, 06:25 PM
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Default S70 problem

Help! I'll keep this as short as possible. 1998 S70. Water pump locked up and timing belt broke. Bent valves, of course. Bought a Chilton Volvo repair manual. Followed the steps faithfully for pulling the head. In the steps it said to remove timing belt sprockets, before removal of cams. So I did. IT DID NOT SAY TO MARK THEM FIRST! 3 bolts hold them on. I assumed since it didn't say to mark them first, they only went back together one way. WRONG! They'll go on 3 ways! How do I fix this?? Other than a random (?) mark on the cam where the sprocket bolts on, there's nothing. I've got the head back in, but can't go any farther. Again, HELP!
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Old 04-07-2018, 07:57 PM
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see if there are markings on the other end (non-gear side)
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Old 04-07-2018, 09:12 PM
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No no markings on the other end. Although one has the rotor for the distributor on the other end.
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Old 04-07-2018, 11:22 PM
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Those engines were timed on the other end, and the crank gets put in position using a little doo-dad inserted in a hole behind the starter. If you can find the timing mark on the crank, you can skip the doodad, but I think you are stuck using the rear of the cams for timing at this point. Look for tools to hold the cams, either factory style or somebody's home-brew design.

I don't recommend anybody look in a chiltons for any reason, but I suppose in this case if you'd have looked in the factory shop manual you might have come to the same spot.
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Old 04-08-2018, 02:42 PM
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You need to buy the tool to hold the cams in place. That is the only way to time the engine.
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