what should be done first?
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what should be done first?
Hi, tried a search on these and have most questions answered yet wondering what to do first.1990 f250 7.3 4x4 e40d with 122k runs great but on my last trip 700 miles noticed small drip from underneath the bottom pulley on engine(waterpump?) no noticeable coolant loss in radiator, also rear pinion seal is leaking (minimal amount of oil splashed up on fuel tank) but oil trail is down to bottom of pumkin,nothing ever seems to make it to the ground. Also I noticed I can rotate the driveshaft minimally(1/24th of a rotation if that makes sense) before it stops but no noticeable forward back play. Is that normal?Only noise I hear is when I take my foot off the gas at freeway speeds I can hear something like a whirring or something. No clunks or vibrations just not noise free, goes away when i accelerate. So which repair NEEDs to be fixed and which one can I put off for a few hundred miles(next paycheck)?Thanks for any insight. Great forum.
Schon
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We are happy you have chosen the best source for Fords!
Enjoy FTE....and
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Posting Guru
Joined: Oct 2003
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From: Monroe, WA
Out of all that stuff, I'd say the most serious problem is the drippy water pump. They're one of the weak links of this engine. The rotten part is when they get very bad they tend to break the shaft and put that heavy fan blade through that huge radiator. The pumps are cheap but the fan and radiator are not.
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From: denver
Obviously you will want to keep filling up the rear axle. 1/24 sounds like a lot to me. 1/32 would be about 11 degrees. I would guess mine has about 1 degree of slop, it only moves 1/16" or so on the radius of the pinion seal. I had an old car with a sloppy dif, it would whine while coasting. I have another old truck that has about 1/4 or so of movement and has been that way for 15,000 miles (without much load in it). You might check your u-joints for play as well.
I would do the water pump first as well.
I would do the water pump first as well.
