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Re: Ford 4000 3 cylinder diesel engine
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Posted by Rod F. on October 14, 2003 at 06:45:56 from (142.177.83.213):
In Reply to: Ford 4000 3 cylinder diesel engine posted by Gerald Martin on October 13, 2003 at 17:33:13:
As Gary said, the oil pressure sender goes in the block slightly ahead of the oil filter, but to the rear and below the generator, on about the same plane as the PS pump. If the threads are wrong, you could either get the right sender for that particular block, or adapt it with fittings. You need to be careful of the temperature sender. It is located to the right of the thermostat in the head. The 4000 had a 1/8 NPT hole. Here is where it can get tricky. Somewhere along through the sands of time, they changed that hole to 3/8 NPT. I'm not sure when, or if the 550 would have the small or large hole. I have also noticed that the newer instrument clusters require a different resistance value from the sender. I'm not sure where that change took place either. You will need to check the value of the senders to be sure. Safest bet is to use the sender for the 550. I changed one out on my 4000, to the newer style, and had to drill and tap the head... So just check carefully. You don't want to cook your new engine because of the wrong sender. They may be the same, or not. Good luck. Rod
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