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The fuel leak was from one of the zig zag rubber connectors, that connect the injectors to the return line for the fuel tank. the leak was from one of those connectons. I simply installed a small hose clamp. solved the problem. I am very happy it wasn’t the head gasket.
Well I find it hard to admit what happened. But The liquid running down the side of the engine was green in color, so I assumed it was antifreeze. It was really evident where the head meets the block. My son and I were looking at it and he noticed some green around the fuel injectors on the top of the head, I said it couldn’t be as there is no place for the antifreeze to come from. He being the wiser was sure the leak was coming from something else. The 454 has several zig zag rubber connectors to bleed of the excess fuel back to the engine, one was dripping some fuel, which got his attention. So now I need to know when was diesel fuel produced with a green dye in it? I heard that at one time they added red dye, so they could tell if you were running farm diesel on the road, as it was tax free. I was ready to pull the head off, so I am very happy the he figured out what the problem was. Thanks for the suggestions.
I have a manual on most of the smaller tractors like yours. I think it’s too large to post her. If you will send email, I will send it to you. Oldfart (Max)
Still looking for it, there is so much crap on my hard drive. I’ll keep looking, will post if I can find it.
Most Chinese tractors do not have a hydraulic relief valve, but if you have a loader on it, it may have a relief valve on it.
I have 07 Jinma, I have had no problems with the hydraulic pump. I use the standard oil from TSC. I have hose clamps on the quick connects, so that they cannot become separated even slightly! Not sure if Chinese or not. I will have to check that.
I would remove all roll pins and replace! One could be half broke, and it would be hard to tell.
I have the Jinma manual with shuttle shift details, but it’s at my cabin, will try to bring back this weekend.
