toilet plunger knock test?

Jake Sternberg chickens at ccwf.cc.utexas.edu
Sat Oct 24 18:06:36 GMT 1998


With or without the rubber plunger part attatched?  And how do you
drop the end of the handle near the knock sensor onto the block if
the sensor is screwed into the bottom side of your V8??

-jake

ORIGINAL MESSAGE:

> From: "Mark Romans" <romans at pacbell.net>
> Date: Fri, 23 Oct 1998 20:14:28 -0700
> Subject: Re: No knock, knock
>
> According to the GM Training Center Classes I have had the approved
> "J-Tool"  for checking the knock sensor is a wooden toilet plunger
> handle. Use it to tap on the block near the knock sensor, like dropping
> your pencil vertically on the eraser to watch it bounce.  The knock
> sensor should pick this up as an engine knock and retard the timing.  If
> no knock is noted, it's time for a new knock sensor.  Mark





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