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<blockquote data-quote="cpetku" data-source="post: 20085" data-attributes="member: 7030"><p>Thanks for starting this thread.&nbsp; I'm half way through the timing chain replacement due to a broken guide.&nbsp; Strangely, the upper bolt had dropped inside the engine, the threads were sheared off but bolt body was in good shape.&nbsp; Feels like the failure could have been over tourqing of the bolt by the dealer (replaced under warranty in 2019 &amp; 40K miles ago).&nbsp; The timing chain installed by the dealer didn't have any colored links.&nbsp; Changing the phasors as well since the exhaust phasor was not locking.&nbsp; Ballance chain is out of sync with the camshaft by a few teeth, but cam/crank seem to be in time.&nbsp; While I was going to skimp here, I felt better ordering a kit for that as well since the sprocket teeth got torn up a bit.&nbsp; I ordered an Exhaust camshaft since I though mine looked like the one in this post.&nbsp; When comparing it to the original, the lobes for #4 are definitely the other side of the notch in the reluctor wheel, so that probably was the P0017.&nbsp; The clogged solenoids could be metal shavings from the cogs or chain or the upper guide bolt.&nbsp;&nbsp; Changing the oil pump as well, but it probably didn't need it.&nbsp; Concerned one of the bolts for it started pulling the threads, so considering red locktight since it's still biting, but I'm not going to ger 88 in-lb.&nbsp; The other option may be to order another (but really cheap) oil pump which comes with the timing cover and use the high end pump I bought.&nbsp; Also debating on pulling the pan to look for the rest of the sheered off bolt, but Carol just had the oild changed (twice).&nbsp; The previous mechanic simply changed the solenoids and flushed the system with an oil change.&nbsp; I'm not sure she will trust him based upon the items overlooked above.&nbsp; He merely stated change the oil often and look for a new car...</p></blockquote><p></p>

[QUOTE="cpetku, post: 20085, member: 7030"] Thanks for starting this thread. I'm half way through the timing chain replacement due to a broken guide. Strangely, the upper bolt had dropped inside the engine, the threads were sheared off but bolt body was in good shape. Feels like the failure could have been over tourqing of the bolt by the dealer (replaced under warranty in 2019 & 40K miles ago). The timing chain installed by the dealer didn't have any colored links. Changing the phasors as well since the exhaust phasor was not locking. Ballance chain is out of sync with the camshaft by a few teeth, but cam/crank seem to be in time. While I was going to skimp here, I felt better ordering a kit for that as well since the sprocket teeth got torn up a bit. I ordered an Exhaust camshaft since I though mine looked like the one in this post. When comparing it to the original, the lobes for #4 are definitely the other side of the notch in the reluctor wheel, so that probably was the P0017. The clogged solenoids could be metal shavings from the cogs or chain or the upper guide bolt. Changing the oil pump as well, but it probably didn't need it. Concerned one of the bolts for it started pulling the threads, so considering red locktight since it's still biting, but I'm not going to ger 88 in-lb. The other option may be to order another (but really cheap) oil pump which comes with the timing cover and use the high end pump I bought. Also debating on pulling the pan to look for the rest of the sheered off bolt, but Carol just had the oild changed (twice). The previous mechanic simply changed the solenoids and flushed the system with an oil change. I'm not sure she will trust him based upon the items overlooked above. He merely stated change the oil often and look for a new car... [/QUOTE]

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