ih66

New User
Should have never washed it. Bought it late last summer used it to chiesel plow last fall & this spring. Last week got done with spring planting so I decided it was time give it a good pressure washing. 1st I found a hole in the lower radiator hose that I probably caused with the pressure washer. Hose was in tough shape anyway. Went to Caseih picked up hose & replaced it. Started tractor took it for a short drive _ at higher rpm air conditioner making noise found a shot belt so replaced it plus 2 fan belts which I seen were also shot. Fixed that problem. So l thought now it's ready to go. Went to go get sprayer from neighbors got half way there & engine oil light and alarm went of so limped it home took wires off sending units which were full of dirt maybe the problem no luck still does the same thing. After I run it a while at higher rpms the alarm and light go off and on. It never did this before I pressure washed it. Any thoughts or help would be much appreciated. Thanks in advance.
 
Best would be to check it with a manual gauge to make sure nothing is wrong. They have 2 pressure sensors, one is above 1800 I believe and the other is below. Had the lower rpm one go out on dad's 3294 (feeding tractor) early last spring but we robbed it from the 2594 until we could get to town and get a new one. Both are on the rh side not too far from each other.
 
Replaced the higher rpm sensor the one by the starter seems to have fixed it. Thanks for the reply.
 

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