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  1. u2slow

    3.7 powerband.

    It likely downshifts to 2nd and that's why you see 3000rpm. The auto is pretty terrible at using the 2000-2500 range, which is kind of a nice sweet spot for driving with a manual trans. I've had the displeasure of driving automatic 03-07 KJ's (3.73 axle ratio) and they're really doggy unless...
  2. u2slow

    3.7 idle and stalling issue. Yes. Another one…

    I have had similar issues in years prior. Somewhere between replacing O2 sensor, crank sensor (lower passenger side), and spark plugs it hasn't re-occurred.
  3. u2slow

    Greetings and seeking KJ wisdom

    Ours had some rocker rust (holes), toward the rear, and it is lifted (10 years now). Has not been a problem - it is largely a daily-driver; not an offroad machine. The plastic rocker covers retained moisture and mud over the years. I cut off the rough stuff cleanly. Then used rust converter...
  4. u2slow

    Bad muffler creating vibrations/pulsing?

    My stock muffler didn't sound like your video - was still dead quiet. It was rusted through externally, so I changed it. The next two have been louder/smaller aftermarket - a flowmaster copy was the 9 year one.
  5. u2slow

    Bad muffler creating vibrations/pulsing?

    If the muffler is old, it can be rusting, breaking-up and collapsing internally. I'm onto the 3rd muffler now in 12 years. (well, the 'middle' muffler lasted about 9 years.)
  6. u2slow

    Question about 4.7L V8 in the WJ/WK/XK — need advice

    I don't think the diesel Commander was available on this side of the pond. The GC was though.
  7. u2slow

    Question about 4.7L V8 in the WJ/WK/XK — need advice

    The water pump is 0-ring sealed. Its a quick change in your driveway. Haven't tackled a thermostat yet. Watch for any codes. P03xx are misfire type... what i ran into with the blown head gasket. IMHO, the brand of oil is never as important as the regular changes. You can start good practices...
  8. u2slow

    Question about 4.7L V8 in the WJ/WK/XK — need advice

    I dropped a 3.7L valve seat. Never been overheated. 305k and it got cold overnight - apparently all it takes. On a spare engine, PO had a water pump failure... which he was sure he caught in time. Nope. Head warped and gasket blown.
  9. u2slow

    Clutch Slave cylinder removal

    The pivot ball is on the passenger side. Starter is on the driver's. The fork looks more like a dog bone, with the bearing and input through the middle of its span. I do my transmissions on the floor too. Ramps/blocks under the tires. The jeep trans isn't that big or heavy .
  10. u2slow

    Question about 4.7L V8 in the WJ/WK/XK — need advice

    IMHO, the 3.7/4.7 engine suffer from the 'luggy' programming of the auto trans. These engines cool and oil best with some revs - which is what happens with a manual trans. I would find one with a 5.7L hemi instead. A friend's ram 1500 (hemi) wasn't drinking anymore fuel that our 3.7L Jeep...
  11. u2slow

    Clutch Slave cylinder removal

    I've had the transmission out twice now in the last 12 years. Same old master and slave. No clutch fluid lost or leaked, so it must have been possible. That said, I couldn't manage to lube anything like you propose. The pivot is on the opposite end of the fork from the slave. On one of the...
  12. u2slow

    Intermittent shaft

    I'm surprised you found a used intermediate-shaft that was any good; let alone separable from the CV. I'm zero-for-two since 2012.
  13. u2slow

    A time to die.

    It is for me. One local parts store town, on an island. High prices, and they are limited in what they can bring in - nevermind how long it takes. Trying to source parts after your ride is fully broken is too late. JMHO.
  14. u2slow

    A time to die.

    If ours died horribly, I'd be tempted to buy another. My knowledge & experience investment is now 12 years deep and am sitting on a lot of parts - new and used.
  15. u2slow

    Cardone cv axle

    The passenger shaft inner spline coupling is often buggered. So look for that inner shaft too.
  16. u2slow

    Cardone cv axle

    https://www.jeepkj.com/threads/any-suggestions-on-where-to-buy-cv-axles-for-kj-2006.80059/#post-811750
  17. u2slow

    Any suggestions on where to buy CV Axles for KJ 2006????

    I'm not convinced there is much to go wrong with CV axles in normal service. The exceptions would be really hard use, over-angulation, or torn boots (leading to loss of lube and outside contamination). Wheel bearings have been quite a difference for me. One budget brand was shot within 2 years...
  18. u2slow

    Any suggestions on where to buy CV Axles for KJ 2006????

    11 years so far. About 3" lift. Cradle is dropped 3/4" to help angles a little. The occasional forestry or radio-tower road. Nothing serious.
  19. u2slow

    Calibrate Speedo AGAIN AFTER I Regear?

    Speedo reads off the differential ring gear, so there is no change with axle ratio. What does affect the calibration is larger tires. I found that going from stock to 30" tires improved the accuracy.
  20. u2slow

    Can I Fit ANY 4.10 Gears by Just Adding ANY Steel Dana 30 Carrier into the Dana 30a “Super”?

    No, you need specific Dana 30A r&p and pinion bearings for the KJ. The pinion is fatter. I'm not sure if the carrier bearings OD is different. The differential case itself is shared with other Dana 30 variants. There are 2 versions of this, one for 3.54 (and less) ratios, and one for 3.73+ ratios.

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