Re: [Amc-list] 196 OHV - removing head, diagnosing rings

[JOE FULTON <piper_pa20@xxxxxxxxxxx>]

By pulling the head you will be able to see the
cylinder bores above the piston travel area.  If you
see a line of scratches on a bore, you might have a
broken ring, but you will not be able to tell for sure
unless you remove that piston assembly from the bore.

It might not be a bad idea to inspect the bores. It's
a judgement call, depending on how you want to use the
car and how much effort you want to put into a repair.
 

You might have a ring of rust in one or more cylinders
that causes the "clicking" noise when the rings travel
over it.

Joe Fulton
  
--- Bruce Griffis <bruce.griffis@xxxxxxxxx> wrote:

> Well - my car was idling nice, sounding good! Last
> night my son and I heard
> some bad scraping noises from the front. We shut it
> down. I pulled all the
> plugs, disconnected the battery and turned it by
> hand. Phew!!! The fan belt
> was scraping against a hose clamp towards the top of
> the engine. I rotated
> the hose clamp, tightened it down, then turned the
> engine again by hand. No
> more scraping sound.
> 
> BUT ... - I did hear a clicking noise from the first
> cylinder. I put m finger
> over the spark plug hole, and it seems like after I
> hit TDC then go back down
> on the stroke - something in the cylinder makes a
> brief scrape then a click -
> I'm imagining a broken piston ring acting up as the
> cylinder changes
> direction.
> 
> Rather than imagine - I'd like to pull the head and
> take a look. I figure it's
> not time to do a compression test - as I can hear
> noises from inside the
> engine.
> 
> So - when removing the head, first I remove the
> hoses, then I remove the valve
> cover, then the exhaust manifold, then the carb? Do
> I need to remove the
> intake manifold? Is the intake manifold integral to
> the head? Right now I've
> got all bolts sprayed with PB Blaster and am trying
> to figure out next steps.
> 
> 
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