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CATERPILLAR D6C TRANSMISSION TROUBLE SHOOTING SERIES
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With old tractors these often become clogged with rust sediment and cause the engine to run as if the float and float valve are damaged. Obviously selling carburetors, generators, starters and rebuild kits is good for our business, but not if it does not fix your problem! Simple Fix #1 - Runs poorly when warmed up Before replacing the carburetor, check the fuel line, sediment bowl and tank outlet. Always check the simple things first and possibly avoid expending time and money. Occasionally simple fixes will correct what may seem to be complex or expensive problems. Today's Featured Article - Sometimes Simple Fixes Avoid Spending Money - by Chris Pratt. Our low prices and years of research make us your best choice when you need parts. We sell tractor parts! We have the parts you need to repair your tractor - the right parts. This notification will be cancelled automatically after 2 weeks. Your email address must be entered above to receive notification. It is a gear pump and if you end up replacing it make sure you clean the magnetic filter, replace the trans filter and prime the pump before staring up the engine or you could have a pump failure due to lack of lubrication.Įmail Notification: If you check this box, email will be sent to you whenever someone replies to this message. If your pressure is down I would suspect the trans pump is worn out. The speed clutch should be 300 to 350 psi and the directional clutch should be 50 to 60 psi less than the speed clutch pressure. Check with transmission in gear and at hi idle. The one closet to the angled corner is your speed clutch tap and the other is your directional pressure port. If you have the floor boards off and take the small cover off the top of the transmision there are two pressure ports on the pressure control valve. The plug on the pump is a 1/8 inch pipe thread. I would put a pressure guage on the trans pump and see what you have. This is the reason you can not get the shift lever into gear. That is when the oil is cool you have pressure but as soon as it warms up you lose it. Richard it sounds to me that you have a pressure problem. In Reply to: Cat D6C transmission problem posted by Richardt on Augat 10:32:27: Crawlers, Dozers, Loaders & Backhoes Discussion Board