Honda Accord (1990 - 2002) Includes 1997 - 1999 Acura CL

TDC QUESTION:

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Old Jul 3, 2004 | 11:07 AM
  #1  
omeara7's Avatar
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From: havertown, pa, usa
Default TDC QUESTION:

Hi my manual says that there is a white mark on the crank pulley but mine has a series of 3 little grooves and then a single groove by itself. Do I line up the pointer with the middle groove or did I just miss the white mark? Thanks. Here is a link to the picture of the pointer thing I'm talking about but you can't really see the grooves. I made red marks where the grooves are.
http://astro.temple.edu/~omeara7/t-d-c




Modified by omeara7 at 2:00 PM 7/3/2004
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Old Jul 3, 2004 | 04:00 PM
  #2  
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From: havertown, pa, usa
Default Re: TDC QUESTION: (omeara7)

Piston #1 appears to be at TDC but the word "UP" on the camshaft pulley isn't exactly at the top (it's pretty close). Is this normal or am I not at TDC?
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Old Jul 3, 2004 | 05:30 PM
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Default Re: TDC QUESTION: (omeara7)

the single groove is tdc
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Old Jul 3, 2004 | 05:42 PM
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Default Re: TDC QUESTION: (bill-71SS)

The other three should be the correct timing for specified RPMs. I do not remember the Honda specs.
It has been nigh twenty years since I have used the timing light !
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Old Jul 5, 2004 | 07:34 AM
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Default Re: TDC QUESTION: (earthworm)

ok thanks,
that's what i assumed because the cam pulley says up at the top but it's not directly straight up, is that normal? (Is it ok for it to not be completely straight up?)
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Old Jul 6, 2004 | 09:08 AM
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Default Re: TDC QUESTION: (omeara7)

First thing is the 3 marks are for SPARK timing. The single one is actually TDC & that's the one you use for camshaft timing.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by omeara7 &raquo;</TD></TR><TR><TD CLASS="quote">ok thanks,
that's what i assumed because the cam pulley says up at the top but it's not directly straight up, is that normal? (Is it ok for it to not be completely straight up?)</TD></TR></TABLE>The arrows on the cam sprockets are only approximate. The REAL cam timing marks are little dimples on the cam sprocket, out at the teeth. They should line up horizontally with the top of the head or the top of the shroud behind the pulley.
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Old Jul 6, 2004 | 09:45 AM
  #7  
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Default Re: TDC QUESTION: (JimBlake)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by JimBlake &raquo;</TD></TR><TR><TD CLASS="quote">The REAL cam timing marks are little dimples on the cam sprocket, out at the teeth. They should line up horizontally with the top of the head or the top of the shroud behind the pulley.
</TD></TR></TABLE>

Yeah, I do believe that the F22B2 motor has to line up with the top of the head and the F22B1 motor has to line up with the top of the plastic cover behind the cam gear. I'm not 100% sure but I'm mostly sure that this is correct. Correct me if I'm wrong.
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Old Jul 6, 2004 | 09:58 AM
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Default Re: TDC QUESTION: (TouringAccord)

ok thanks-i'll make sure to line them up.
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