Jump to content

Unofficial Home of Old Simplicity & Allis-Chalmers Garden Tractors

Sign in to follow this  

Onan CCKB Oil Leak

Recommended Posts

I have a leak (well actually the engine does) that appears to be somewhere around the oil filter area. Would like to power wash this area but wondering about potential problems with getting water into the wrong place such as the starter. Any help and tips about locating the leak are appreciated. Thanks Nelson

Share this post

Link to post
Share on other sites
Nelson, Over the course of time the filter housing gasket tends to harden up & leak. You could check to be sure the two bolts have brass washers on them (when you're replacing the gasket... LOL). Also, when you take the head cover off, look to see if there's oil coming from timing cover. These are HOT running engines & the seals & gaskets get baked after a while (every 20 - 30 years... LOL). Let us know what you find.... PS I have had a few that the sending unit leaked.....

Share this post

Link to post
Share on other sites
Jim--Gave her a bath and can readily see that the filter housing gasket is leaking. Can I replace it without pulling the engine? Looks like theres just two bolts that are fairly accessible. Anyone know of a source for a replacement gasket without buying a whole set? Also leaking a little around the fuel pump base. Need to pull the fuel pump and make a cover as I'm running an electric FP. Nelson

Share this post

Link to post
Share on other sites
This topic is now closed to further replies.
Sign in to follow this  

  • Who's Online (See full list)

    There are no registered users currently online

  • Today's Birthdays

    No users celebrating today
  • Recent Status Updates

    • Paul M.Murphy

      Paul M.Murphy

      Hello glad I got on this site. I hope to upload a couple of photos of my Simplicity Broadmoor 
      Model 707 Tractor. I have replaced all the belts on it and installed a new ignition switch.
      Have a mower deck which was in poor shape , repaced a couple of bushings and welded the
      deck where there was some holes. The tractor and mower deck came from a friend and the 
      mower deck metal was getting pretty thin. Some new metal was put in it and we also undercoated the underside of the deck. This was done by my friend Greg Toulman.
      I have not put the mower deck on the tractor yet, waiting for Greg to come home and give me a hand. Can you please tell me if there is a manual for the mower deck and where I could get one.
      I would also like to get some moon wheel discs as well.
      I will try and down load some photos of the tractor when my wife shows me how to. 
      I really love driving this tractor and also how well it is made compare today's tractors, especially the flexible rear end and the rollers.
      Tell the next time 
      · 8 replies
    • jbrooks

      jbrooks  »  Talntedmrgreen

      folowing  this from a link at the downloads.  I just rescued an AC 920 with the lambodini diesel. I can' t download  yet .  Where did you find the PDF copy you posted. . I would like to figure out how to adjust the injection pump. 
      I assume it's a bosche, correct
      · 0 replies
  • Adverts