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Cam gears not lining up HELP!?!

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Old May 12, 2004 | 03:28 AM
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Default Cam gears not lining up HELP!?!

Take a look at this b18c that i bought locally. I pull of the timing cover and valve cover to get ready to change the timing belt and water pump, then i see the cam markers weren't lining up. What do you guys think happened?


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Old May 12, 2004 | 04:03 AM
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Default Re: Cam gears not lining up HELP!?! (BLiMP)

How far are they off?
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Old May 12, 2004 | 07:33 AM
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Default Re: Cam gears not lining up HELP!?! (Swags04)

Thats off pretty bad. I would take apart the motor to make sure everything is okay.
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Old May 12, 2004 | 11:19 AM
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Default Re: Cam gears not lining up HELP!?! (BLiMP)

have you started up the motor yet??? I am guessing no.
I would take appart the motor and make sure your valves/pistons are ok
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Old May 12, 2004 | 12:29 PM
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Default Re: Cam gears not lining up HELP!?! (BLiMP)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by BLiMP &raquo;</TD></TR><TR><TD CLASS="quote"> What do you guys think happened?
</TD></TR></TABLE>

looks like someone had no idea wut they were doing when putting the timing belt on
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Old May 12, 2004 | 06:06 PM
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Default Re: Cam gears not lining up HELP!?! (Dan GSR)

Ya the only way to figure out what is wrong is by taking the head off. Oh well i don't have many tools at home so i'm gonna bring it to my friends house. Hopefully if something is wrong, the results aren't too bad. I mean what could of been damaged? Bent valves?? Hopefully it won't be too costly. THanks for the help guys.
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Old May 12, 2004 | 06:27 PM
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Default Re: Cam gears not lining up HELP!?! (BLiMP)

i dont see a pic if you could send me one i would like to help
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Old May 12, 2004 | 06:31 PM
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Default Re: Cam gears not lining up HELP!?! (B18C1CYA)

all right i forgot we todd was down, did you check the shaft on the dizzy? sometimes the bearings go bad a siez then it jumps time on that cam. just a thought.
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Old May 12, 2004 | 08:44 PM
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Default Re: Cam gears not lining up HELP!?! (BLiMP)

From the picture...it looked like someone got the cam gears reverse...the intake cam gear is on the exhaust side..and exhaust cam gear is on the intake side.


the timing still might be correct...except the white marks are on the outside instead of the inside.
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Old May 13, 2004 | 05:12 AM
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Default Re: Cam gears not lining up HELP!?! (cinq)

the cam gears are interchangable they are the same part#
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Old May 13, 2004 | 10:28 AM
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Default

they are interchangeable but it looks like one of your cams is off a whole 45 degrees
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Old May 13, 2004 | 11:03 AM
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Default Re: (99B16Si)

post what you find
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Old May 13, 2004 | 11:11 AM
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Default Re: Cam gears not lining up HELP!?! (BLiMP)

Looks to me like your crank is not at TDC, thats about the right orientation for the gears, when not at TDC.......3gdude
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Old May 13, 2004 | 12:20 PM
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Default Re: Cam gears not lining up HELP!?! (BLiMP)

I am assuming the crank is at TDC right?
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Old May 13, 2004 | 12:23 PM
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Default Re: Cam gears not lining up HELP!?! (jfastman)

well he told me when the crank is a tdc the exhaust cam is where its suposed to be and the intake cam is not where it should be
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Old May 13, 2004 | 12:27 PM
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Default Re: Cam gears not lining up HELP!?! (B18C1CYA)

Yikes! sounds like the intake cam jupmed a few teeth. I'd say reset the belt/cams and spin the eninge over by hand and watch the valves for proper movement. IMHO
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Old May 13, 2004 | 02:18 PM
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Default Re: Cam gears not lining up HELP!?! (3gdude)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 3gdude &raquo;</TD></TR><TR><TD CLASS="quote">Looks to me like your crank is not at TDC, thats about the right orientation for the gears, when not at TDC.......3gdude </TD></TR></TABLE>

are u serious?!?!
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Old May 13, 2004 | 04:26 PM
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Default Re: Cam gears not lining up HELP!?! (99B16Si)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 99B16Si &raquo;</TD></TR><TR><TD CLASS="quote">

are u serious?!?!</TD></TR></TABLE>

haha i thot the same too
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Old May 13, 2004 | 06:36 PM
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Default Re: Cam gears not lining up HELP!?! (hybridvteceg)

Ya when the crank is at tdc, the exhaust cam is in the middle where it is supposed to be. But the intake cam is around 45 degrees off. Or is it possible to jump a couple teeth by spinning the crank clockwise loosening the tensioner??? i dont' know, I'll definately find out this weekend when i take the head off. Thanks guys.
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Old May 13, 2004 | 06:39 PM
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if the tensioneer is all the way loose and u turn the motor over it will definitely skip a few teeth
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Old May 13, 2004 | 07:06 PM
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Default Re: (99B16Si)

Before you go taking the whole head of the car, Pull the cam gears off and make sure that when they were put on the Keys where installed properly.
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Old May 14, 2004 | 04:33 AM
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Default Re: (N2O)

check the simple stuff first, dont do anything you dont have to
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Old May 14, 2004 | 09:05 AM
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Default Re: Cam gears not lining up HELP!?! (BLiMP)

If you were to look at the picture upside down...it will look right when you line up the white marks.

I think your timing is correct...except like i said...they got the cam gears mixed up.

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Old May 14, 2004 | 09:14 AM
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Default Re: Cam gears not lining up HELP!?! (cinq)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by cinq &raquo;</TD></TR><TR><TD CLASS="quote">If you were to look at the picture upside down...it will look right when you line up the white marks.

I think your timing is correct...except like i said...they got the cam gears mixed up.

</TD></TR></TABLE>

what? no it doesnt. they are 90 deg off from eachother, and cam gears cannot be mixed up because they are the exact same
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Old May 14, 2004 | 01:40 PM
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Default Re: Cam gears not lining up HELP!?! (hybridvteceg)

the cam gears are the same you cant mix them up
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