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At normal cruise, light throttle, 50 mph, cancel O/D push button causes tachometer to jump up a couple hundred rpm? If yes, same cruise, in O/D gear, give gas pedal just a touch more pressure, not enough to cause downshift, just a touch. If tach. reading increases at all, it is likely the...

One More Banter, if you please........ Guys..... Counting teeth is a sure way, but not very convenient. If differential is NOT limited slip, (and the spiders will still turn, not locked or welded up), with one wheel off the ground, mark tire with chalk, turn driveshaft by hand, after marking a...

Ha! I knew it! We're all friends here, ain't we? Guys, I may be one of the world's big A.H.'s, but I gotta say this......."tightening" up clearances in today's I.C. engines by Engineering design is pretty far-fetched to me. Why the hell would anyone work to contradict all that has been done...

Well, Rondo, now I gotta do a revision.......the 15W40 oil discussion is running neck&neck with this one......and 'um sayin' that BEFORE I read your today's post there......;) imp

Of course, you're right there......but consider the poop on these keys now: you get 2 with the vehicle when it's new. If you lose 1, you CAN'T program any new ones yourself (must have BOTH to do that). Take the 1 you have left to Ford, I hear they charge a couple hundred bucks to...

OK, here's where I F. U.! Newer vehicles get their speedo input from the ABS sensors, which read axle speed, not driveshaft speed, as in the old days. The figures above were based on the speedo. reading driveshaft speed, like back in the days of the speedometer cable! What that means is...

The ad shown appeared in the St. Louis newspaper. Evidently, astute locksmiths will be acquiring the gear needed to duplicate "PATS" keys, and probably even re-code PCMs. Hopefully, this competition with Dealerships will come at a lower cost..............imp

Here's how to figger it out: 1. Find circumference of tires: 32" diam. X pi turns out to be 100.53", or 8.3776 feet. The tire makes 5280 divided by 8.3776 revolutions per mile, or 630 revolutions per mile. 2. Multiply that 630 turns per mile by the axle ratio, 4.10, and you get 2584 as the...

I gotta admit, this is the "thrillingest" thread I've read yet! imp

Mex, in my opinion, here is what I would do if this were my situation. If the truck is driveable (the front differential noise is not so bad as to sound like it's coming apart), make sure BOTH front tires are the SAME DIAMETER, then drive it home. If it is so bad, you do not want to drive it, or...

Am asking myself why would the noise occur when eng. cold, and go away when hot? Logically, my little mind works this way: cold oil is thick, it cushions things with too much clearance, thus tending to prevent noise when cold, as oil gets hot and thinner, noise should become worse, not go away...

It probably will operate in the A/C/ plug, which will actually prove very little, just as you say. However, if the cause is a poor connection in it's original socket (possible, but not too likely), moving it elsewhere, then re-inserting it where it belongs, just might re-establish a firm "bite"...

Which transmission do you have? If it is one of those which sense speeds of internal components, the computer is preventing shifting under heavy throttle conditions, due to detecting slippage, which suggests impending failure. At this point, not knowing which trans. it is, any suggested causes...

If the transmission problem is not corrected soon, the idle problem will become rather redundant.......imp

How did everyone know he was referring to the rear axle, rather than the front? Can't the front axle seals leak too? imp

A guess would be that the electric motor which drives the throttle body ("drive-by-wire") is for some reason slow to allow the throttle plate to close when the gas pedal calls for it. Possibly binding in the plate itself; those here more knowledgeable than I may explain further, as to whether...

I believe I will disagree with the fuel loss theory. It was stated "all electronics went dead", whatever that actually means, but loss of fuel surely must appear as a stuttering type of stop, not shut-down as though the ignition were shut off. I am leaning toward drop-out of the PCM Power...

In a word, no. More importantly, how does the engine run? If it is running pretty well, the MIL is telling you the emissions may be unacceptable due to a failing O2 sensor. I would delete the codes, if running OK, drive some more, and see how soon/if the codes return. My '96 threw a code...

Good call! May be transfer case shift motor improperly stopped, out of position. Have you tried shifting to 4X4, to see if the shifter actually works? imp

Depends on whether the torque converter was also drained. In your case, it probably was, since the trans. was opened up. Usually, to prevent puking out fluid initially, 4 or so quarts are added initially, engine started and allowed to idle, then add more to bring level up. This process allows...

Thanks, guys! Reason I asked in the first place, years ago I remember reading somewhere that lubricant on plug threads interferes with proper heat transfer from the plug into the head, and was not trecommended. I thought aluminum might aggravate this situation, if there is one. Over the years, I...

To actually look at the slave cylinder, one must remove the transmission back away from the engine....slaves were in years back mounted exterior of the clutch housing, and activated a release fork which protruded through into the housing, and moved the throw-out bearing against the clutch...

Slave Cylinder? If the slave cylinder is at fault, not releasing clutch, and the master cylinder is OK, there has to be fluid leaking out of the slave cylinder; look for it under the truck. imp

'04 Expl. 4.0L SOHC 100K miles, bought few months ago, pulled out a spark plug today, it unscrewed very tightly, squeaked some, threads looked to have a brown, powdery material on them. Thought these must be OEM plugs, Motorcraft, in yanking out the rest, found 2 different types of Motorcraft...

Looks to me like the "upside" overshadows most of the downs.......imp

Call 'em whatever you like! Sometimes cusswords! Replace auto with a manual is a very good idea, but a real can of worms to bring about. If your busted transmission is rebuildable, it might be possible to get it fixed for under $2k, but no way, IMO, will you find one rebuilt, that is properly...

Symptoms do not exactly sound like it, but some who are more knowledgeable than I will confirm or deny-- Was the Passive Anti-Theft System within the old steering column transferred to the new one? imp

Fill Tube Support Bracket I took the warnings to heart and fashioned a bracket for the transmission fill tube. Thought about cable-ties, hose clamps, etc., etc., but the right way was a good bracket. I put this off several weeks, knowing it would not be as easy as one would think, due to the...

Exactly what my nephew (certified welder) called to tell me! Thanks for the tip! imp

NYC? Boy oh boy, I grew up in Chicago (suburb), proly just as bad, left there as a young man, never went back. imp

Gentlemen! Is everyone forgetting that as the wheel and spindle move up and down, through their normal travel as suspension parts, they describe a curved arc, which means that, since the differential center section is rigidly fastened to the frame, the axle shaft tries to in effect get "longer...

Are the plugs so fouled out that they are not producing any spark? A shorted plug will still show a spark at it's terminal if the wire is removed and held close. Unlikely that ALL plugs are inoperable, though, isn't it? Just about the only thing electronic which will completely prevent...

Gosh, mr '04 (with 4.0L eng.) just pulled 433 miles using 18.8 gallons- 23 mpg. (all highway). I couldn't imagine it losing 10 mpg driving in city. Do you have the V-8? imp

If the "clunk" occurred consistently as the vehicle was slowing to a stop, it would be hard to imagine that it would not be transmission-related. IMHO, that is. imp

Humming, more like a whining noise, which varies in loudness as speed and load on the engine changes, is more likely gear noise, most often caused by differential side bearing failure, or sometimes pinion bearing failure, though pinion bearings generally make quite a bit of noise as they crap...

My '04 Owners Manual says no fluid change for life of transmission, or if leak develops. Seems to me 100K is good "life" for a transmission. What I would do, is drain fluid, remove oil pan, inspect it inside for signs of wear material; check on the magnet, also (if equipped). If pan is pretty...

Rear pads. The pads are not identical; they are of 2 types, with differing locating "lips", which face downward and hook onto the caliper. Since the pads must conform to the curvature of the rotor in their shape, the pad in back is a mirror-image of the pad in front. It is possible to install...

Ford Shop Manual describes possible harsh shift concerns with TCC not engaging. My '04 quit locking up 2,000 miles from home, flashing OD OFF light, but shifts were all OK, including shift into OD- (cancelling OD with button dropped to lower gear normally, evident on tachometer). My code...

Not personally experienced on early Explorer, or A4LD, but normally, the transmission output shaft is sealed by it's own seal, and the transfer case input shaft has it's own seal, also. Could one of those seals be left out? imp

Can you manually turn the rear wheels with them raised off the ground? Check for dragging pads. If very hard to turn, it would seem like the pistons are not retracting properly in the calipers. Check installation of pads- these have a groove on one end, to locate the pad, and just a "prong"...