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Topic: Hesitation on initial acceleration

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55PackardGuy

Re: Hesitation on initial acceleration

#21

Home away from home

Quote:

Owen_Dyneto wrote:
What you have is a universal 10 amp circuit breaker. They are not polarity sensitive so of course there would be no (+) or (-).

No voltage spec, either. So, if it plugs into the holes, it might just work.

Back to the hesitation:

Quote:

Ross wrote:
Stiff and or sticky accelerator in the 51-54 cars is almost always caused by the bracket on the firewall just above the gas pedal mechanism. Originally it was rubber bushed at its lower end and held the cross shaft a good oh, two inches away from the firewall. Over the 60 years the pressure of the return spring has caused it let the cross shaft fall almost back against the firewall which screws up the geometry and also makes the return spring ineffective.

The easiest and quite effective fix for this is to just shove some old shock absorber bushing or other hunk of rubber between the vertical support and the firewall so that the cross shaft moves well away from the firewall. This will restore the geometry and make for a much smoother gas pedal action. Repair time: approx 30 seconds.

Ross,

You were absolutely right about this Not only was the cross shaft against the firewall, but also against a "stop" consisting of a wire that goes vertically along the firewall. Seems like it only compressed the fabric insulation, but I'll keep an eye on it.

Meanwhile, I think I've found a nifty "hunk" of rubber that works well. It's wedge-shaped so I can adjust the thickness, and it fits nicely between the firewall and the crossbar of the linkage. I found all the slop in the linkage was corrected when the rubber held the bracket about an inch from the firewall. I plan to attach the rubber piece to the firewall in that position.

You can probably guess how it's held in place now.

Thanks.

Posted on: 2014/8/3 20:12

Guy

[b]Not an Expert[/