Last post on Nov 05, 2002 at 6:16 PM
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Ford Explorer Sport, Ford Ranger, Oil, Truck
Oct 19, 2002 (9:59 am)
As this has gotten somewhat confusing, and therefore more interesting (:o] I stepped to the garage and confirmed your points. The thread holes are visibly different between the two filters discussed. You are so right! My V6 1999 Ranger uses the NAPA 21515 and my V8 Mountaineer uses the Supertech ST2. I would be off topic here, except I think these two filters are the same as the two actually under discussion for other vehicles/years.
#8 of 16 Different Filters
Oct 19, 2002 (2:01 pm)
You're so right on target! I went down to the parts store and looked at both filters(Purolator's) and the threading IS different even though they are the same size. My problem question wasn't worrying about putting on the wrong one as they are idiot proof. My question is does anybody know why Ford engineers decided to make a different on for the same 4.0L V6 SOHC engine???
#9 of 16 Motorcraft
Oct 21, 2002 (8:14 am)
Made by Purolator I believe
#10 of 16 to confuse us?!?
Oct 21, 2002 (5:50 pm)
maybe it was clearances in the engine compartment, maybe source country issues (some sort of european metric now! initiative or some such), maybe somebody was just pushing to get the volume up on the new filter part number.
or maybe it was time to make an unwarranted manufacturing change to confuse everybody.
all have been valid reasons for running changes in the past
Oct 21, 2002 (10:27 pm)
...sure seems that way. Now I'm looking at the bigger threaded hole in my S2 filter by Supertech for my 4.6L V8 in my Mountaineer. Why would FOMOCO move away from the almost ubiquitous thread hole of the big old "PH8A" and "PH16" type filters? I'm about out of space on my filter shelf, but I can add this new size.
#12 of 16 it's "progress"
Oct 21, 2002 (11:53 pm)
so of course it is good and we must all be thrilled.
#13 of 16 Hey look at the bright side...
Oct 22, 2002 (2:13 am)
I have two seperate filters that fit in my truck. One is about 1.5" longer than the other and they have the same tread. The difference is that one has a backpressure gasket thingy, and the other doesn't(shorter one) unfortunately, GM dealer says the larger one w/ backpressure gasket is best, but everyone (fram books, autoparts store, etc) only list the small one... errggh.
#14 of 16 stock up on those larger ones now!
Oct 22, 2002 (7:10 pm)
Gm pulled that trick on me and my 76 skylark 231-V6 a year after I bought it. recognize the signs... they are pushing the small filter and will disco the large one as an unproductive stock number. buy your spares now for the larger filter area
#15 of 16 97 Expl. Sport w/SOHC Idle Variation
Nov 05, 2002 (6:08 pm)
My 97 Sport 4x4 with 4.0L SOHC has an unusual idle. It seems to vary between 500 and 1000 rpm on a constant cycle. I think I read a note about another idle problem report related to a lower intake gasket recall along with a belt idler replacement. Was that one related to the SOHC? My other possibility is an AC compressor. My AC has stopped working and when selected the idle variation is more pronoumced. I will get the AC checked out soon.
#16 of 16 97 Expl.Sport Rough Rider
Nov 05, 2002 (6:16 pm)
I have read a lot of writeups about poor rides on Explorers. I have had some experiances on certain roads that have left me wondering about a shock change. When I load this vehicle up it runs smoother on the highway than empty. I noticed that my rear springs have been cut down to one leaf and the rest are spacers. I also have Bridgestone Duelers 255-70-16 tires/wheels. Does this vehecle ride better with 235-75-15 tires? I do a lot of rode work and would like to improve the ride.