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    Belt Tensioner Bolt | Normal... or Left Hand... Threads?

    OP here. Thanks for the replies. Problem solved. On a 2000 4.0L SOHC Job 1 engine, the threads on the single 13mm bolt holding the belt tensioner to the alternator bracket are in fact regular threads, i.e., right-hand threads (lefty-loosey). However, surprisingly, given it's a 13mm bolt, it...
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    Belt Tensioner Bolt | Normal... or Left Hand... Threads?

    2000 4.0L SOHC. There's a single 13mm bolt holding the belt tensioner to the alternator bracket. Does the bolt have regular threads (lefty loosey)... of left-hand threads (righty loosey)... which one? Please advise. Many thanks!
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    600,000 miles! Made it.

    Roger that... and thanks for replying.
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    600,000 miles! Made it.

    @Mr. Alligator - Regarding your rebuilt engine: Is it from a vendor that sells rebuilt engines... or was it rebuilt by your mechanic... or some other method? I'm asking because sooner or later I (might) want to get mine "rebuilt." Thus, I'm starting to vet which option to pursue. Please...
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    Fuel Injector Not Working. How do I find the bad one? Need help!

    I searched the content and looked around for quite a while, but couldn't find out how to mark this thread as Solved. Maybe I missed it. How do I mark it as Solved? Do I need a paid membership to do that?
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    600,000 miles! Made it.

    Wow! Huge cred for that! Now I have something to shoot for (currently at 24 years and 152,000 miles on 4.0 SOHC)!
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    Fuel Injector Not Working. How do I find the bad one? Need help!

    2000 Explorer XLT 4DR 2WD 4.0L SOHC JOB 1 (VIN E). 5-Speed Automatic O/D 5R55E. 152,000 miles. FINALLY! Hooray! Installing 3 new refurbed injectors in Bank 2 solved the roughness (and crazy STFTs) problem. The eBay seller shipped the refurbed injectors quickly (both times) and was good about...
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    Fuel Injector Not Working. How do I find the bad one? Need help!

    Testing / cleaning / refurbing my own OEM injectors is an interesting topic. What tools are required and how does one go about doing this? I've watched videos in which a large "cleaning system" is used. It has clear windows through which you can see the injectors spraying. I'm not sure I...
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    Fuel Injector Not Working. How do I find the bad one? Need help!

    Roger that. I've got 3 more fuel injectors coming Monday or Tuesday. No charge and free shipping from the vendor. I'm going to replace all 3 in Bank 2... and go from there. What's the good news? I can now take this thing apart and put it back together easy-as-pie! And, everything in there...
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    Fuel Injector Not Working. How do I find the bad one? Need help!

    It's taken me 2 years of observations and diagnostics to "determine" that my no-start-the-first-time after sitting hot is being caused by a leaking injector... not a clogged fuel filter... not a bad fuel pump... not a bad ECT Sensor... nor whatever else. Thus, I decide to replace the fuel...
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    Fuel Injector Not Working. How do I find the bad one? Need help!

    @410Fortune - Yes, the oil dipstick smells like fuel. What's this mean? Thanks.
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    Swap out the fuel filter fitting

    @Pete Deering - OK... you got me actually, genuinely laughing out loud! Thanks for the dry humor (seriously). And @donalds is pretty-close-to-correct... I am in fact "planning it out" because I've learned that to do anything on my 24-year old truck takes a tactical approach that's well...
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    Swap out the fuel filter fitting

    I'm tracking this thread because I'll be replacing my fuel filter soon... for the first time... now at 152,000 miles.
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    Fuel Injector Not Working. How do I find the bad one? Need help!

    Well. It's not a vacuum leak. I gasketed everything up and triple checked all connections. It starts, idles, and is driveable. However, it's rough. Something is intermittently and consistently cutting in and out. The cut out matches the RPMs. At this point, I (think) I'm back to focusing...
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    Fuel Injector Not Working. How do I find the bad one? Need help!

    Can anyone tell me what the pattern for tightening the lower intake manifold bolts is? Is it inside-to-outside... or outside-to-inside... which one? Many thanks.
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    Fuel Injector Not Working. How do I find the bad one? Need help!

    @Motorhogman - Yep... sure enough... like you, I did the starter fluid test this morning. And, surprise-surprise, the RPMs didn't change. So at this point, I'm going to replace the gaskets, reassemble everything, and then pray it runs smooth thereafter. I like my truck... but sometimes she's...
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    Fuel Injector Not Working. How do I find the bad one? Need help!

    @410Fortune - Roger that and thanks! Appreciate your reply. Yes... it's a PITA to do the fuel injectors... AND then have to go back in to address a vacuum leak! To confirm a vac leak, I'm going to do the "starter fluid" test first. This, along with the surging, no CEL, and the stethoscope...
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    Fuel Injector Not Working. How do I find the bad one? Need help!

    @Motorhogman and @donalds - Thank you! Very helpful. Instead of 13, I'm going to go 10 ft. lbs. on the lower intake manifold. Do you think 10 will be OK? I don't want to strip the aluminum.
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    Fuel Injector Not Working. How do I find the bad one? Need help!

    P. S. Do you know the troque spec for the lower-half?
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    Fuel Injector Not Working. How do I find the bad one? Need help!

    Yes... interesting... I have noticed that the upper-half is threaded. It didn't make sense to me, but I rolled-with-it. Now, I'll do what you did. Many thanks!
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    Fuel Injector Not Working. How do I find the bad one? Need help!

    Yes, I have the SOHC Job 1 (VIN E) engine that has the 2-piece intake manifold. So far, I haven't stripped the screw holes that hold the upper-half to the lower-half. I replaced the upper gasket a while back and it still has some "thickness" to it. I've never replaced the lower gasket. Do...
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    Fuel Injector Not Working. How do I find the bad one? Need help!

    All 6 fuel injectors pass the stethoscope test, i.e., they all sound the same... clicking consistently... no differences in volume. On a warm idling engine, Bank 1 LTFTs have climbed to +14 and Bank 2 LTFTs have climbed to +25. The CEL has not come ON. At warm idle, RPMs are surging in a...
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    Fuel Injector Not Working. How do I find the bad one? Need help!

    OBD data shows Bank 2 STFTs fluctuating in/out of the the +30s and low +40s. I've never seen my STFTs this high before. Am I correct in interpreting this to be a clogged or non-working injector in Bank 2?
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    Fuel Injector Not Working. How do I find the bad one? Need help!

    Roger that (re using a 9-volt battery). Excellent suggestion. Thanks! I'm going to gather some ODB data. Maybe it'll at least steer me to the bank with the bad injector. I'm going to attempt the stethoscope procedure. However, given the upper intake manifold is in the way, this may be...
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    Fuel Injector Not Working. How do I find the bad one? Need help!

    2000 Explorer XLT 4DR 2WD 4.0L SOHC JOB 1 (VIN E). 5-Speed Automatic O/D 5R55E. 152,000 miles. I replaced the fuel injectors and seals (adapters). The injectors are refurbished OEM. On initial startup and an extremely short test drive, it feels and sounds like it’s running on 5 cylinders...
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    2000 4.0 SOHC. Do I ALSO need fuel injector seats?

    OK... will do. Thanks. Any pointers on removing the old fuel injectors so I don't break anything that's plastic? I know how to get down to the injectors (remove manifold, etc.), but I've never removed nor replaced an injector.
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    2000 4.0 SOHC. Do I ALSO need fuel injector seats?

    Roger that... and thanks. I'm going to get six F77Z9G512AA Fuel Injector Seals/Sleeves.
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    2000 4.0 SOHC. Do I ALSO need fuel injector seats?

    2000 Explorer XLT 4DR 2WD 4.0L SOHC JOB 1 (VIN E) 5-Speed Automatic O/D 5R55E Manufactured 09/99 152,000 Miles I'm going to replace the fuel injectors with refurbished OEM Bosch injectors. They come with two O-rings (one on each end). Does my Explorer have fuel injector seats? If so, the...
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    Console Armrest - Options for fixing split/cracked covering?

    2000 Explorer XLT 4DR 2WD 4.0L SOHC JOB 1 (VIN E), 5-Speed Automatic O/D 5R55E, 150,000 miles. The vinyl covering on my front console armrest (aka the lid of the console) is cracked and split open. Any suggestions for fixing or replacing it? Please advise. Many thanks.
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    Rebuilt Automatic Transmission Shifting Hard, Bottoming Out When Stopping, 97 Explorer LTD 4.0 V6

    I don't know anything about "spacers" nor hard shifts vs. soft shifts, etc., etc. However, having said that, perhaps you should visit your local AAMCO (or similar nationwide transmission shop), share with them what you've been told by the shop that did the work, and listen to their opinion (aka...
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    2000 XLS OHV drinking coolant

    NO! Any time you can resolve a leak without adding a sealer (K-Seal, Barr's, etc.), be glad you fixed the problem and move-on from there. Do not add sealers as a "preventative." Sealers, when used for the right problem, and applied the right way, can be very good at sealing leaks. However...
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    Maf sensor problems?

    Use your scan tool to log data for Engine Coolant Temperature, Intake Air Temperature, MAF, RPMs, Fuel System Status, STFTs and LTFTs for both banks, and Voltages for all four O2 sensors. Put the data in an Excel spreadsheet and keep it. Add new spreadsheets as you proceed. As you...
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    1997 explorer, overheating issues

    Install a 180-degree thermostat.
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    Brass bolt on a/c manifold block?

    When you say "line," are you referring to the manifold hose assembly... or some other part? If the MHA, then how long did it last before it leaked? Thanks.
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    Fuel Piper Diameter

    Just to clarify, I (think) you should be looking for O2 sensors, not Lambda sensors. I'm not familiar with the UK model, but I'm (pretty sure) the US model uses O2 sensors, not lambda sensors.
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    Another cheapo overseas ebay part - crash and burn

    2000 Explorer XLT 4DR 2WD 4.0L SOHC JOB 1 (VIN E). 5-Speed Automatic O/D 5R55E. Manufactured 09/99. 149,000 miles. Installed Labwork DPFE15 (box labeled: F77Z-9J460-AB). It worked for less than 30 days and then stopped working. Installed Standard Motor Products VP8T. It's been working...
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    Coolant Leak

    What engine? How many miles?
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    Maf sensor problems?

    I second what @Turdle said.
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