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  1. Front/Rear Diff Service - DIY

    Welcome to the world of automotive contradictions. You won't be wrong if you choose one or split the difference. According to the torque values spreadsheet, Jeep states that the torque for the rear differential cover bolts is 30 ft-lbs (also see first attachment below). The torque for the...
  2. Requirements for Changing Oil & Filter, Differential Fluid, and Transfer Case Fluid on Jeep Gladiator 3.6L V6

    This thread has advice on ARB. I would add this to one of my replies in that thread: For the rear axle, the internal dealer spec sheet recommends 75W-140 "if equipped with trailer tow package" (see page 5).
  3. Front/Rear Diff Service - DIY

    Front & rear differentials: Requirements, specifications, capacity, & torque Automatic transmission: Complete DIY instructions Torques listed in each post are from this thread For front differential drain plug, do not use Teflon paste @Supazuk pointed out that the front diff on the '22 Sport...
  4. I was going to change the oil at 1,000 miles but dealer said I’d do harm. True or false?

    I am not disagreeing with you about AMSOIL Signature Series motor oil. However, someone who switches to AMSOIL Signature Series should know the details. For a vehicle that is past warranty and is taken off-road, the price-per-mile and time savings can't be beat. Powertrain warranty: Because...
  5. I was going to change the oil at 1,000 miles but dealer said I’d do harm. True or false?

    Someone needs to mention what's in the book, so here it is... The oil & filter change advice shown in two different versions of the Jeep owner's manual (OM), or "the book", is summarized in Motor Oil & Oil Filter Service Intervals. The range in the book is between 4,000 miles for severe duty...
  6. Pan Drop / Drain & Fill Instructions for ZF 8HP50 or Chrysler TorqueFlite 850RE Automatic Transmission

    This is my second reply to Gatorac's post. Click here for the first reply. This is such a good solution that I decided to share some prices. Brake line: Poly-Armour Domestic PVF Steel Brake Line, 3/8" x 20"; Part # PA-620, $12.99 I made two J-shaped pickup tubes from this 20" brake line...
  7. Pan Drop / Drain & Fill Instructions for ZF 8HP50 or Chrysler TorqueFlite 850RE Automatic Transmission

    This is my first reply to Gatorac's post. Click here for the second reply. Nice! I will add this technique to the original post, with credit, as long as it is approved by the committee (one person, @Maximus Gladius). Update: The advice on using a J-shaped pickup tube to drain the oil pan...
  8. Pan Drop / Drain & Fill Instructions for ZF 8HP50 or Chrysler TorqueFlite 850RE Automatic Transmission

    The Transmission Oil Filter is the same for all Gladiators with either the 8HP50/850RE or the 8HP75 automatic transmission. Please see the following posts. The key takeaway is: "If the kit fits, then the filter fits." Post #42 in a different thread Post #13 in this thread
  9. Transmission drain and fill at 60K

    I just did a write-up on this. The Transmission Oil Filter is the same for all Gladiators with either the 8HP50/850RE or the 8HP75 automatic transmission. I can't explain why MOPAR doesn't associate the part number for the Transmission Oil Filter (68417054AB) with the EcoDiesel. As you know...
  10. Pan Drop / Drain & Fill Instructions for ZF 8HP50 or Chrysler TorqueFlite 850RE Automatic Transmission

    Thanks to you and @smlobx for asking about the ZF 8HP75 automatic transmission on the EcoDiesel. I will confirm the following parts the next time that I visit the dealer. A good parts advisor should also be able to confirm the capacity of the 8HP75. Summary: The parts, capacity, torque...
  11. Transmission drain and fill at 60K

    I can't comment on the Miami area, but I recently had a pan drop done by my selling dealer. My vehicle was already in for a different repair and the price for a pan drop was not insanely high, so I pulled the trigger and got it done. The details are shown on the attached invoice. After having...
  12. Transmission oil change. Maintenance

    I agree that this is what the owner's manual ("the book") says. Here are some details from the book and other credible sources. ZF, the licensor of both the 850RE automatic transmission and MOPAR 8 & 9 Speed ATF Automatic Transmission Fluid (68218925AB), states that the service interval under...
  13. What should I service?

    It appears that one of the site sponsors, @AllMoparParts.com, has the water pump for the 3.6L in stock today. MOPAR part number 04893941AD Water Pump. MOPAR 68214109AB Water Pump Gasket is also required. I clicked Checkout, but did not complete the purchase. No backorder flags. Please...
  14. What should I service?

    As was the case when you wrote your water pump post in March 2025, the MOPAR water pump for the Gladiator 3.6L is on backorder (again). The service advisor at my local dealership said that I could add my name to the waitlist. The production run for the next part number supersession (E, I...
  15. Pan Drop / Drain & Fill Instructions for ZF 8HP50 or Chrysler TorqueFlite 850RE Automatic Transmission

    Guidance on "Exhaust Y-pipe / crossover pipe clearance" has been added to the end of SECTION 3 - TOOLS in the original post. Previously, I was under the impression that this issue occurs only with a (larger) aftermarket transmission oil pan. Thanks for pointing out that this clearance issue...
  16. What should I service?

    See the maintenance list at the beginning of my post on Key Info. The first attachment at the end of the same post is the same list plus capacities and service intervals. In all cases, make sure that the product meets manufacturer specs. Replacing spark plugs is a 100K item, but some folks...
  17. Pan Drop / Drain & Fill Instructions for ZF 8HP50 or Chrysler TorqueFlite 850RE Automatic Transmission

    This is a set of written instructions on how to do a pan drop on a Jeep Gladiator or Wrangler 2018+. Reference docs and photos are also included. @Maximus Gladius, coauthor and technical advisor, has performed no fewer than ten pan drops on his two Jeep Gladiators. For more info on the...
  18. Best Auto Transmission Maintenance Q&A

    Excellent video. It certainly supports your previous advice. Here are some key segments: Heat & electronics: 0:48-1:04 and 2:08-2:10 Service interval: 7:32-8:26 Drain & fill: 9:11-9:43 Service intervals for the automatic transmission in the Gladiator: For service interval guidance from...
  19. Wrong power steering fluid top off

    To see this table and additional details, see my original post: Power Steering Fluid Options for Jeep Gladiator
  20. Death Wobble

    I recommend that you try this before you attempt DIY fixes. The first link is a post that I wrote in January 2025. The second link is an article posted on Kelley Blue Book. 1. What to say to service advisor at dealership 2. Possible warranty extension specifically for death wobble




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