Sat 12 Oct, 2013 06:52 am - You need to unscrew the cap of the piston. It needs to be careful you don't break off the little tabs on it. You should then be able to pull the piston. (view)
Fri 11 Oct, 2013 12:53 pm - replaced the timer motor. what position should the cams be in? I believe they are in the position for the valve to be in the lowest point. (view)
Thu 10 Oct, 2013 05:47 pm - I have an am744 system(mfg 2000) . It has sheared the pin 2 times. Now the repair tech says I need a new valve. When he took it apart , he used a screwdriver to pry the piston up. As a result he... (view)