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B18 Timing Issue/Question "Where to line up marks"

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Old 03-21-2009, 02:52 PM
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Default B18 Timing Issue/Question "Where to line up marks"

Okay well I've done a bunch of searching and haven't came up with anything that was solid, so if you guys have then please let me know. My issue is that timing belt came off and I'm just simply looking to put it back on. I've inspected the belt and everything seems fine.

With everything I've read there should be a mark on that I simply line up with the white mark on the crank pulley. Just need to make sure this is the right one because I've read a few different explanations and they just seem to have confused me more. Even looking in the helms and another manuel hasn't helped. Some say that the "white" mark lines up with a mark on the oil pump but some said it was a mark on the "lower cover" I need to ask/confirm which is the right one...or is it the same one??? Thanks in advance.



*** UPDATE ***
Okay guys so i ran into another problem, PUT EVERYTHING IN, HAND-CRANKED TEST, THEN TURNED ON CAR....it doesn't Idle at all!!! Did i do something wrong? is the timing off? Only thing i can think of is that POSSIBLY it wasn't TDC on the correct stroke....any help??

Last edited by Noch; 03-22-2009 at 10:45 PM.
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Old 03-21-2009, 03:51 PM
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Default Re: B18 Timing Issue/Question "Where to line up marks"

anyone for a quick answer?
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Old 03-21-2009, 06:44 PM
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Default Re: B18 Timing Issue/Question "Where to line up marks"

still nothing?
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Old 03-21-2009, 06:48 PM
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Default Re: B18 Timing Issue/Question "Where to line up marks"

you need to line up the white mark to the line on the lower cover not the red one
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Old 03-21-2009, 08:13 PM
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Default Re: B18 Timing Issue/Question "Where to line up marks"

yeah that raised piece of plastic you have circled on the lower cover in your first pic is the "pointer"
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Old 03-21-2009, 08:21 PM
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Default Re: B18 Timing Issue/Question "Where to line up marks"

Yes they are correct. White mark to that pointer on the plastic. For all those out there without the cover still on though can (if you can get the bolt off.) take the bolt out of the lower crank pulley and the key that is in the pulley should be pointing up towards the valve cover. Not straight up like 90degrees from the ground but toward the top of the motor. Just like the "up" marks on the cam gears.
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Old 03-21-2009, 08:58 PM
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Default Re: B18 Timing Issue/Question "Where to line up marks"

everyone will give you different answer.you should tell your problem to engineers of your car they will solve out your problem.
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Old 03-21-2009, 09:11 PM
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Default Re: B18 Timing Issue/Question "Where to line up marks"

okay sweet...thanks guys....i just heard alot about lining it up with the oil pump.
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Old 03-21-2009, 11:04 PM
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Default Re: B18 Timing Issue/Question "Where to line up marks"

Okay guys so i ran into another problem, after I lined up those two marks and the two cam gears, the belt didn't fit and there was slack inbetween the two cam gears.

Decided to try tightening the tensioner and handcranking the crank pulley to see if by chance it would create some tension. The exhaust cam kept jumping a tooth every few strokes.

Now I have no idea what's going on. Does the tensioner retighten itself (spring loaded)? Anyone have any idea as this is my only car and I need it running.

Last edited by Noch; 03-21-2009 at 11:14 PM.
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Old 03-22-2009, 05:12 AM
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Default Re: B18 Timing Issue/Question "Where to line up marks"

bump for answers...
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Old 03-22-2009, 09:18 AM
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Default Re: B18 Timing Issue/Question "Where to line up marks"

any ideas?
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Old 03-22-2009, 04:17 PM
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Default Re: B18 Timing Issue/Question "Where to line up marks"

no help still...??
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Old 03-22-2009, 05:14 PM
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Default Re: B18 Timing Issue/Question "Where to line up marks"

108 views but no comments??
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Old 03-22-2009, 10:43 PM
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Default Re: B18 Timing Issue/Question "Where to line up marks"

anybody?
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Old 03-22-2009, 10:46 PM
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Default Re: B18 Timing Issue/Question "Where to line up marks"

if your timing belt came off while it was running using the marks will not help.
best way to put your engine at TDC is
Originally Posted by unseen racer
remove valve cover
remove #1 spark plug (cylinder RIGHT next to the timing belt)
put in a LONG screw driver or something long that will fit in the hole
turn the crank counter clockwise until the #1 piston is at its highest point.
when the #1 piston is on its highest point, make sure the INTAKE valve is UP.
then once the #1 piston is at its highest point and the intake valve is up, then you have TDC on your engine
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Old 03-22-2009, 10:55 PM
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Default Re: B18 Timing Issue/Question "Where to line up marks"

sorry, I should be a bit more specific, it didn't come off on its own while driving, it was resulted from another side project that a buddy wanted to check fitment of my aftermarket cam gears with his motor seemed easy enough so i gave him the go head but now the belt came completely off so i'm in a rut.

Any other way to do so with/out taking valve cover off. I just put a new gasket on this morning so i don't have anymore and if possible would rather not take it off. b/t/w finding piston no. 1, i used thin rubber antenna, seemed safer.
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Old 03-22-2009, 11:01 PM
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Default Re: B18 Timing Issue/Question "Where to line up marks"

Originally Posted by Noch
sorry, I should be a bit more specific, it didn't come off on its own while driving, it was resulted from another side project that a buddy wanted to check fitment of my aftermarket cam gears with his motor seemed easy enough so i gave him the go head but now the belt came completely off so i'm in a rut.

Any other way to do so with/out taking valve cover off. I just put a new gasket on this morning so i don't have anymore and if possible would rather not take it off. b/t/w finding piston no. 1, i used thin rubber antenna, seemed safer.
if you put a new gasket on, you can remove the valve cover and re-install it using the same one since its still new and it will not break nor chip.
but if you insist. you can check the intake valve WITH the valve cover on. you just need a flash light, and 1 extra pair of hands
remove the spark plug and spark plug wire
get the flash light and point it towards the intake valves and with your helper turning the crank, look to see when the intake valve it up.
this take a while though since there is not much viewing room

but like i said, its perfectly fine to remove the head and install it using the same gasket
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Old 03-22-2009, 11:04 PM
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Default Re: B18 Timing Issue/Question "Where to line up marks"

okay not to be noob but can you specify what is up position...or how it'd look like? I'm sure i can dig round for an hour and find it but it'd be faster just to ask since you seem to be on right now.
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Old 03-22-2009, 11:08 PM
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Default Re: B18 Timing Issue/Question "Where to line up marks"

oh ****. sorry. i meant that the intake valve it on the OPEN position.
which means that the valve should be down. i apologize
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Old 03-22-2009, 11:12 PM
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Default Re: B18 Timing Issue/Question "Where to line up marks"

okay, that's fine can you do me a favor and read my OPENING POST...the *updated part* ....car doesn't Idle, does that have anything to do with if the valve is OPEN?? i haven't gone back out to the car yet.
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Old 03-22-2009, 11:13 PM
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Default Re: B18 Timing Issue/Question "Where to line up marks"

Originally Posted by Noch
okay, that's fine can you do me a favor and read my OPENING POST...the *updated part* ....car doesn't Idle, does that have anything to do with if the valve is OPEN?? i haven't gone back out to the car yet.
so does that mean that you car doesnt turn on at all?
cuz the car has to idle if your not driving it.
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Old 03-22-2009, 11:16 PM
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Default Re: B18 Timing Issue/Question "Where to line up marks"

well it turns on, and I have to keep my foot on the gas or it dies right away. That seems like an indication that the timing is off. Only thing i can think of is that it is on the wrong stroke?? leading back to the valve??
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Old 03-22-2009, 11:21 PM
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Default Re: B18 Timing Issue/Question "Where to line up marks"

if its in the wrong stroke then the car would not turn on.
best thing to do is do what i suggest and check your timing using the method mentioned above.
once your timing checks out, and the problem still exists, then we know it was not timing.
could also be your MAP sensor
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Old 03-22-2009, 11:24 PM
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Default Re: B18 Timing Issue/Question "Where to line up marks"

yeah I did that process above all except the checking the intake valve part...guess i should make sure its open (down)??
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Old 03-22-2009, 11:30 PM
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Default Re: B18 Timing Issue/Question "Where to line up marks"

Originally Posted by Noch
yeah I did that process above all except the checking the intake valve part...guess i should make sure its open (down)??
yes. when the intake valve is open, it will be down.

EDIT:http://cache.eb.com/eb/image?id=72180&rendTypeId=35
this one is a little better. do you see how the springs have tension on them? and the top of the valve is lower than the exhaust valve?
well look for that.
but it will be a pain in the azz to find the intake stroke with the head on.
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