Pf/2 geberit tank assembly

You probably have one of the newer Cimarron-series toilets that feature what Kohler calls "AquaPiston" technology. These gadgets use the water pressure in your supply lines to pressurize a charge of flush water in the tank, causing the flush water to rush into the bowl at high pressure and velocity. Many Cimarron-series toilets use only 1.28 gpf (gallons per flush), compared to the current industry standard of 1.6 gpf for conventional gravity-flush units. Reducing the gpf rating by 20% requires pressurizing the water in the tank, and the release of pressurized water makes a lot of noise. I'm afraid your toilet will always be noisier than what you may be used to.

American standard cadet III is a nice flushing toilet that is reasonably priced. The tank is smaller than the cimarron. Toto also makes good flushing toilets that would fit your needs, but you will pay more for it too.

Hi bubba
You have a blockage between the toilet and the septic tank or drain that is causing the water to flow into the tub
Bud

i don't know about your toilet but i googled it and found this it's the flapper and flush valve
https://www.plumbingsupply.com/images/kohler-flush-valve-1044458.jpg
and you can go here and see all the parts in it,hope this helps you out.
https://www.plumbingsupply.com/kohlertoiletparts-cimarron.html

The exact cause of a Kohler Cimarron toilet running non-stop depends on the exact model of toilet owned. In some, the lift chain connected to the handle can become kinked, preventing the ball seal from covering the drain completely. Just unkink the chain to fix this. In other cases, the float ball is stuck against the side of the tank, preventing it from returning to its normal horizontal position. When this happens, the toilet's tank doesn't stop filling with water. The excess continuously flows into the overflow pipe. Dislodge the float ball from the side of the toilet and this should clear the problem. Likewise, you might consider shortening the armature on which the float ball sits, so it won't become stuck again.

Read more: Troubleshooting a Kohler Cimarron Toilet ' eHow.com http://www.ehow.com/how-does_5017443_troubleshooting-kohler-cimarron-toilet.html#ixzz1CxKmz9ZQ

http://www.ehow.com/video_117350_stop-toilet-running.html

http://www.google.com/search?q=replacing+flapper&hl=en&sa=G&rlz=1T4GZAZ_enUS363US364&prmd=v&source=univ&tbs=vid:1&tbo=u&ei=S3AcTNrBGYL6lwfN1NmnDg&oi=video_result_group&ct=title&resnum=4&ved=0CCoQqwQwAw

The above link's has videos and information about this problem.

Is the fill line in the tank loose? Does it just shoot water into the tank itself? I had this issue until I realized the while fill tube is supposed to be pushed into the black cylinder/small plastic tube in the middle of the stopper assembly. After i pushed the line into the tube, the bowl would always only fill a little bit. Now it fills almost a 3rd of the way up the bowl and doesn't bubble during flushes.

low water in the bowl is only caused by the float being to high! the gurgles is Usually because of air coming back up through the pipe, check your vent pipe that come out the roof. this will help the draining.

Thanks

If it's a Turbo Flush 2 block in the water wait for presssure to bleed down and the top section (cap) you can turn counter clockwise this will release the top section. In the top section that comes off there is a black rubber seal, replace it (any hardware store) and this should fix it. That's about the only thing that goes wrong with them.