Timing help needed

blaconator · Post by **blaconator** » 11 Jun 2021, 22:09

So I was getting a timing belt replacement done and it got out of time it seems. They did not mark the timing before hand and I think it fell out of time because one of my cam shaft pulleys spins a little bit (i think because it is a CVVT) and we don't know where it was originally. We've been trying to get it back in time and need help.

We can see the "M" markers and get them to line up but that doesn't seem correct and we see two of the "I" notches, but they won't line up at the 12 position

Will the "M"s work as an indicator or do I need to use the notches?
I can see the notches on the crankshaft pulley, how can I be certain it is lined up? It looks lined up from my point of view but I don't know if it's on the money.

Post by **jonesg** » 12 Jun 2021, 04:17

"M" and "I" notches ?

what is the 12 position.?

Last time I changed the belt I locked the cam sprockets, released the tensioner, slipped the old belt off and slipped new one in place, done.

You don't need to do everything in this video if you aren't changing the cam oil seals.

blaconator · Post by **blaconator** » 12 Jun 2021, 13:31

jonesg wrote: ↑12 Jun 2021, 04:17 "M" and "I" notches ?

what is the 12 position.?

Last time I changed the belt I locked the cam sprockets, released the tensioner, slipped the old belt off and slipped new one in place, done.

You don't need to do everything in this video if you aren't changing the cam oil seals.

Thank you for the response and help!!
The "I" notches and 12 0 clock position refer to the markings shown in this image

Post by **volvolugnut** » 12 Jun 2021, 14:18

Why are you lead to think it is out of time? If you use the I marks, you should get the correct timing as shown in the figures.

volvolugnut

blaconator · Post by **blaconator** » 12 Jun 2021, 16:17

volvolugnut wrote: ↑12 Jun 2021, 14:18 Why are you lead to think it is out of time? If you use the I marks, you should get the correct timing as shown in the figures.

volvolugnut

I think it's out of time because it's not turning over when I try to start it and the only thing they messed with was the timing belt.

Post by **volvolugnut** » 12 Jun 2021, 19:14

Questions: Is 'they' a shop or just someone who helped change the belt? Does the engine crank smoothly without noise or stall? Does it try to fire and will not run? Are the I timing marks now in correct positions? If not, how far off are they? Beware! If the timing is much off, you can bend valve and damage pistons if you crank. If they made any electrical disconnects, that may be your problem with not starting.

volvolugnut

Post by **jonesg** » 13 Jun 2021, 00:56

did you rotate the engine twice by hand before trying to start it?

blaconator · Post by **blaconator** » 13 Jun 2021, 13:53

volvolugnut wrote: ↑12 Jun 2021, 19:14 Questions: Is 'they' a shop or just someone who helped change the belt? Does the engine crank smoothly without noise or stall? Does it try to fire and will not run? Are the I timing marks now in correct positions? If not, how far off are they? Beware! If the timing is much off, you can bend valve and damage pistons if you crank. If they made any electrical disconnects, that may be your problem with not starting.

volvolugnut

"they" is someone who helped me do the belt who used to be a mechanic. As far as I can tell, yes it cranks smoothly. Yes it tries to fire but can not run. They seem lined up but I feel I can get them on the money.

They disconnected the coolant sensor and alternator I can double check to make sure they are connected.

blaconator · Post by **blaconator** » 13 Jun 2021, 14:06

jonesg wrote: ↑13 Jun 2021, 00:56 did you rotate the engine twice by hand before trying to start it?

I have not tried that, I will have to try that today

Post by **erikv11** » 13 Jun 2021, 14:45

blaconator wrote: ↑13 Jun 2021, 14:06
jonesg wrote: ↑13 Jun 2021, 00:56 did you rotate the engine twice by hand before trying to start it?
I have not tried that, I will have to try that today

Just to clarify: rotating twice around is not some kind of fix, it is done to make sure that every thing is working properly. If you can go twice around by hand and the timing marks end up exactly as when you started, it should be good to go. You always want to perform this check when timing one of these interference engines.