<VV> PG adjustment adventure continues
Frank DuVal
corvairduval at cox.net
Fri Aug 3 08:05:18 EDT 2007
Have you adjusted the accelerator rod swivel where it attaches to the
carb cross shaft? This affects upshift and downshift points.
Frank DuVal
Stephen Upham wrote:
> I've checked the vacuum modulator at the fire wall using a vacuum
> gauge. It held 7Hg for about ten minutes before I manually released
> it: vacuum module nixed as the culprit. I then replaced the hose
> connecting the metal line from the module to the balance tube using
> 3/16" inch hose and screw type hose connectors for good measure. I
> then used a section of old bicycle tube cut to fit, to cover the
> fresh air duct. I manually inspected the balance tube for leaks.
> Both carburetor connections are new and tight and there are no holes
> in the metal tube. After reinstalling the air cleaner assembly, I
> checked the vacuum at the choke pull off hose using the vacuum
> gauge. I got a fluctuating reading that rapidly went between 7 and
> 12 Hg. As I manually increased the the rpm using the throttle cross
> rod, the Hg reading rose, but still rapidly fluctuated between about
> 10-14 Hg. I have yet to check the PCV valve or the idle up solenoid.
> I topped off the transmission fluid and took it for a spin. No,
> change. It is still shifting into D at about 13-18 mph, there is no
> kick down, and it is still kicking like a mule when it shifts from D
> to L. I also have a sticking parking brake, which I have
> temporarily resolved by putting the car into reverse and stepping on
> the brake - will get to that next.
>
> Stephen Upham
> Dallas, Texas
> Corvaireum //
>
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