Re: Timing belt question again on the Integra GSR
"Tegger" <tegger@tegger.c0m> wrote in message
news:Xns9A0C48CB1C8C6tegger@207.14.116.130...
> "** Frank **" <noemall@xyz.net> wrote in
> news:kc6dne1uyrgW-_TanZ2dnUVZ_uWdnZ2d@comcast.com:
>
>> The Chilton's manual said rotate the crankshaft 3 teeth CW on the
>> camshaft pulley and tighten the adjusting bolt 40 ft. lbs.
>
>
>
> Shitty Chilton manuals.
>
> They've got the rotation BACKWARDS.
>
Thanks for the correction, I did wrote it wrong. It should be CCW not CW.
> You turn the crankshaft COUNTER-clockwise. This is a Honda, not a Ford
> or Chev.
>
> The way you're turning you risk the crankshaft jumping the belt by a
> tooth or so. You would be /extremely/ wise to re-verify cam and crank
> alignment before you ever start the car again or even turn it a full
> revolution. That GS-R engine is a bit costly to wreck.
>
I did mark the teeth position and spacing on the old belt and transfer it on
the new belt so new belt goes in exactly as the old comes out.
I have a big ass drill and connected it to the crank and let her rip CCW -
no tooth jump.
>
>
>> I'd
>> noticed, depending on the position of the camshaft, rotating
>> resistance varies. Further, I have the front tires off the ground and
>> spark plugs removed so that might screw up the 3 teeth thing too.
>
>
>
> "3 teeth" is specificed to make certain all the slack is on the
> tensioner side of the belt. You don't HAVE to turn the system three
> teeth, you just need to put the slack in the correct place before
> letting the tensioner zing into place.
>
>
>> So
>> how do you verify for proper belt tension? If belt deflection, than
>> how much? Its a little under 1/2" deflection between the left camshaft
>> pulley and the crankshaft - sounds reasonable? Thanks again in
>> advance.
>
>
>
> There should be about 1/8" vertical deflection BETWEEN THE CAMS when all
> the slack is placed on the tensioner side of the belt and the tensioner
> has zinged home. You can turn the cam pulleys by hand to help put all
> the slack at the top for measuring.
>
> I have found that sometimes you need to give the tensioner bolt a tap or
> two with the ratchet while it's loose. This "shocks" the tensioner into
> tightening the belt a little more. If the belt's too loose, it will slap
> the underside of the valve cover, leaving rubber powder all over the
> place.
>
Thanks for the advice, I'll check it out.
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