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-   -   how do i find TDC ??? (http://www.astinagt.com/forums/showthread.php?t=19373)

renee 16-06-2012 10:12 AM

how do i find TDC ???
 
hey guys i finally got the new engine in my astina but my dad wants me to find out how to find top dead center on the engine so we can set it before we fire it up? the engine is out of a ford laser but its the same as the 1.8L bp that was in it before! any help would be great :)

Ice88 16-06-2012 10:59 AM

Theres timing marks on the crank pulley. Or should be.

renee 16-06-2012 11:06 AM

yeah but where do you put them? we dont know how to set it is what im trying to say

JDM323 16-06-2012 11:50 AM

notch in pulley lines up with 0 timing mark or the last mark as the engine turns over with both valves closed an no 1 cylinder(nearest to the alternator end of motor.)

DavoAust 16-06-2012 09:58 PM

Dead easy way is to pull out the plug, drop a long screw driver in the hole (gently! don't scratch the piston) and turn the engine over by hand. once the screwdriver has risen up and starts to fall check the crank pulley for the marks, they should be lined up.

project.r.racing 17-06-2012 06:55 AM

You dont need to find TDC if you are replacing the timing belt.

Mazda made it really easy to align a new timing belt on these engines...

http://i39.photobucket.com/albums/e1...imingmarks.jpg

Googling said topic brings up 100s of how to's online. As only as you align everything correctly, and folling the install instructions, then everything should be where it needs to be to fire it up.

DavoAust 17-06-2012 10:27 PM

Quote:

Originally Posted by project.r.racing (Post 294993)
You dont need to find TDC if you are replacing the timing belt.

Mazda made it really easy to align a new timing belt on these engines...

http://i39.photobucket.com/albums/e1...imingmarks.jpg

Googling said topic brings up 100s of how to's online. As only as you align everything correctly, and folling the install instructions, then everything should be where it needs to be to fire it up.

You're assuming the cam gears are set correctly on the cams. Not always the case :)

*cough* mat *cough*

project.r.racing 18-06-2012 07:25 AM

Can only go on assumptions since there was little info given in the first post.


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